Pitching register -- 2021 American League
Regular season -- as of 9/28/2021
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| Albert Abreu | Bal | sp | 25 | 1.59 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 5.2 | 6 | 2 | 1 | 3 | 5 | 0 | 0 |
| Bryan Abreu | Oak | sp | 24 | 5.86 | 4 | 4 | 0 | 17 | 17 | 0 | 0 | 83.0 | 79 | 55 | 54 | 55 | 101 | 12 | 3 |
| Dario Agrazal | Tex | sp | 26 | 5.77 | 3 | 16 | 0 | 26 | 26 | 0 | 0 | 140.1 | 187 | 98 | 90 | 21 | 87 | 23 | 16 |
| Keegan Akin* | LAA | sp | 26 | 5.82 | 1 | 6 | 0 | 14 | 14 | 0 | 0 | 68.0 | 69 | 47 | 44 | 37 | 65 | 13 | 6 |
| Scott Alexander* | Mtl | mr | 31 | 4.38 | 6 | 5 | 4 | 57 | 0 | 0 | 0 | 51.1 | 52 | 30 | 25 | 21 | 34 | 2 | 7 |
| Tyler John Alexander* | NYY | sp | 29 | 4.15 | 1 | 1 | 0 | 7 | 5 | 0 | 0 | 39.0 | 35 | 19 | 18 | 6 | 32 | 7 | 4 |
| Yency Almonte | Bos | mr | 27 | 2.41 | 3 | 1 | 7 | 65 | 0 | 0 | 0 | 74.2 | 60 | 22 | 20 | 30 | 68 | 4 | 8 |
| Dan Altavilla | Cle | mr | 28 | 5.17 | 0 | 1 | 3 | 14 | 0 | 0 | 0 | 15.2 | 17 | 10 | 9 | 4 | 24 | 3 | 1 |
| Jose Alvarado* | Det | mr | 26 | 3.05 | 2 | 0 | 0 | 47 | 0 | 0 | 0 | 44.1 | 25 | 16 | 15 | 32 | 60 | 1 | 3 |
| Jose Alvarez* | Bos | mr | 32 | 3.44 | 1 | 1 | 6 | 50 | 0 | 0 | 0 | 55.0 | 42 | 21 | 21 | 11 | 63 | 1 | 4 |
| Adbert Alzolay | Tex | sp | 26 | 6.66 | 2 | 6 | 0 | 12 | 12 | 0 | 0 | 52.2 | 59 | 45 | 39 | 30 | 52 | 13 | 5 |
| Brett Anderson* | Mtl | sp | 33 | 4.83 | 10 | 7 | 0 | 26 | 26 | 0 | 0 | 126.2 | 126 | 74 | 68 | 43 | 83 | 19 | 16 |
| Tejay Antone | KCR | sp | 27 | 5.20 | 2 | 4 | 0 | 15 | 10 | 0 | 0 | 64.0 | 72 | 37 | 37 | 18 | 51 | 13 | 9 |
| Luis Avilan* | Tor | mr | 31 | 5.11 | 1 | 0 | 1 | 12 | 0 | 0 | 0 | 12.1 | 16 | 7 | 7 | 5 | 9 | 1 | 2 |
| Michel Baez | Was | mr | 25 | 3.69 | 5 | 4 | 9 | 46 | 0 | 0 | 0 | 53.2 | 42 | 25 | 22 | 27 | 42 | 9 | 6 |
| Pedro Baez | NYY | mr | 33 | 5.59 | 2 | 1 | 2 | 37 | 0 | 0 | 0 | 37.0 | 35 | 24 | 23 | 14 | 38 | 5 | 3 |
| Scott Barlow | LAA | mr | 28 | 4.97 | 3 | 4 | 4 | 50 | 0 | 0 | 0 | 63.1 | 56 | 37 | 35 | 32 | 68 | 9 | 2 |
| Matt Barnes | ChW | mr | 31 | 4.29 | 0 | 3 | 4 | 48 | 0 | 0 | 0 | 56.2 | 43 | 31 | 27 | 33 | 84 | 9 | 4 |
| Jaime Barria | Was | sp | 24 | 4.68 | 5 | 12 | 0 | 24 | 24 | 3 | 0 | 148.0 | 146 | 82 | 77 | 31 | 108 | 27 | 10 |
| Chris Bassitt | ChW | sp | 32 | 3.58 | 10 | 4 | 0 | 23 | 23 | 0 | 0 | 135.2 | 133 | 58 | 54 | 36 | 128 | 14 | 11 |
| David Bednar | Min | mr | 26 | 3.22 | 3 | 4 | 10 | 60 | 0 | 0 | 0 | 67.0 | 53 | 26 | 24 | 27 | 89 | 3 | 4 |
| Jalen Beeks* | Det | mr | 27 | 3.06 | 0 | 2 | 0 | 5 | 3 | 0 | 0 | 17.2 | 16 | 6 | 6 | 10 | 13 | 3 | 4 |
| Chad Bettis | Bos | mr | 32 | 5.62 | 6 | 8 | 1 | 33 | 12 | 0 | 0 | 97.2 | 108 | 72 | 61 | 29 | 61 | 19 | 7 |
| Joe Biagini | Tor | mr | 31 | 4.66 | 5 | 1 | 6 | 57 | 0 | 0 | 0 | 75.1 | 74 | 40 | 39 | 21 | 78 | 16 | 8 |
| Brandon Bielak | Bal | sp | 25 | 3.90 | 4 | 1 | 2 | 44 | 3 | 0 | 0 | 87.2 | 81 | 40 | 38 | 28 | 75 | 12 | 7 |
| Ty Blach* | Bos | sp | 30 | 4.00 | 7 | 8 | 0 | 21 | 21 | 1 | 0 | 123.2 | 142 | 65 | 55 | 29 | 72 | 14 | 20 |
| Paul Blackburn | Mtl | sp | 27 | 5.98 | 1 | 5 | 0 | 20 | 8 | 0 | 0 | 49.2 | 59 | 35 | 33 | 11 | 30 | 7 | 3 |
| Richard Bleier* | ChW | mr | 34 | 2.65 | 2 | 4 | 5 | 42 | 0 | 0 | 0 | 51.0 | 45 | 16 | 15 | 5 | 28 | 4 | 8 |
| Matthew Bowman | ChW | mr | 30 | 2.70 | 5 | 0 | 5 | 41 | 0 | 0 | 0 | 60.0 | 53 | 18 | 18 | 20 | 57 | 8 | 6 |
| Brad Brach | Oak | mr | 35 | 4.66 | 2 | 4 | 0 | 35 | 0 | 0 | 0 | 48.1 | 47 | 29 | 25 | 16 | 61 | 11 | 1 |
| Archie Bradley | Bal | mr | 28 | 3.46 | 3 | 2 | 2 | 63 | 0 | 0 | 0 | 75.1 | 58 | 32 | 29 | 28 | 86 | 6 | 5 |
| John Brebbia | Bal | mr | 31 | 3.94 | 3 | 2 | 0 | 50 | 0 | 0 | 0 | 64.0 | 58 | 28 | 28 | 19 | 73 | 10 | 4 |
| Colten Brewer | Mtl | mr | 28 | 3.39 | 3 | 6 | 6 | 58 | 0 | 0 | 0 | 66.1 | 63 | 27 | 25 | 19 | 62 | 5 | 7 |
| Zack Britton* | Min | mr | 33 | 0.00 | 1 | 0 | 3 | 9 | 0 | 0 | 0 | 7.1 | 4 | 0 | 0 | 3 | 5 | 0 | 2 |
| Connor Brogdon | Tex | mr | 26 | 4.81 | 1 | 4 | 0 | 53 | 0 | 0 | 0 | 63.2 | 49 | 42 | 34 | 40 | 89 | 6 | 3 |
| JT Brubaker | KCR | sp | 27 | 4.15 | 0 | 6 | 6 | 25 | 0 | 0 | 0 | 34.2 | 26 | 19 | 16 | 14 | 23 | 6 | 0 |
| Madison Bumgarner* | Mtl | sp | 31 | 3.33 | 12 | 7 | 0 | 30 | 30 | 3 | 2 | 183.2 | 163 | 71 | 68 | 53 | 175 | 31 | 18 |
| Aaron Bummer* | Sea | mr | 27 | 4.64 | 0 | 4 | 1 | 47 | 0 | 0 | 0 | 42.2 | 32 | 23 | 22 | 21 | 39 | 2 | 7 |
| Dylan Bundy | NYY | sp | 28 | 4.80 | 10 | 6 | 0 | 22 | 22 | 1 | 1 | 140.2 | 133 | 79 | 75 | 36 | 133 | 27 | 13 |
| Corbin Burnes | Was | mr | 26 | 2.88 | 5 | 9 | 0 | 25 | 14 | 0 | 0 | 90.2 | 80 | 37 | 29 | 33 | 101 | 8 | 10 |
| Ty Buttrey | Tor | mr | 28 | 3.63 | 6 | 3 | 5 | 63 | 0 | 0 | 0 | 79.1 | 74 | 37 | 32 | 28 | 80 | 6 | 9 |
| Genesis Cabrera* | Tor | sp | 24 | 5.05 | 6 | 2 | 3 | 68 | 0 | 0 | 0 | 92.2 | 99 | 60 | 52 | 50 | 95 | 13 | 5 |
| Griffin Canning | Sea | sp | 25 | 7.56 | 0 | 3 | 0 | 5 | 5 | 0 | 0 | 25.0 | 31 | 25 | 21 | 11 | 23 | 3 | 2 |
| Daniel Castano* | Det | sp | 26 | 6.09 | 2 | 2 | 1 | 40 | 0 | 0 | 0 | 78.1 | 90 | 53 | 53 | 41 | 61 | 9 | 6 |
| Diego Castillo | Min | mr | 27 | 3.14 | 5 | 6 | 28 | 58 | 0 | 0 | 0 | 66.0 | 51 | 25 | 23 | 21 | 80 | 9 | 3 |
| Jose Castillo* | NYY | mr | 25 | 4.53 | 4 | 2 | 1 | 44 | 0 | 0 | 0 | 51.2 | 49 | 28 | 26 | 12 | 67 | 10 | 5 |
| Luis Cessa | NYY | mr | 29 | 4.85 | 7 | 2 | 1 | 47 | 0 | 0 | 0 | 78.0 | 79 | 44 | 42 | 20 | 82 | 14 | 7 |
| Tyler Chatwood | ChW | mr | 31 | 5.76 | 5 | 4 | 1 | 28 | 14 | 0 | 0 | 86.0 | 92 | 58 | 55 | 48 | 64 | 12 | 15 |
| Jesse Chavez | Tex | mr | 37 | 3.42 | 0 | 2 | 0 | 17 | 0 | 0 | 0 | 26.1 | 25 | 10 | 10 | 13 | 23 | 3 | 3 |
| Steve Cishek | Oak | mr | 35 | 2.15 | 4 | 3 | 1 | 37 | 0 | 0 | 0 | 50.1 | 34 | 13 | 12 | 26 | 62 | 5 | 0 |
| Jose Cisnero | NYY | mr | 32 | 19.29 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 2.1 | 4 | 5 | 5 | 2 | 3 | 1 | 0 |
| Taylor Clarke | Bos | sp | 28 | 5.09 | 7 | 9 | 0 | 24 | 24 | 0 | 0 | 123.2 | 130 | 76 | 70 | 47 | 107 | 17 | 9 |
| Emmanuel Clase | Det | mr | 23 | 2.70 | 6 | 2 | 0 | 48 | 0 | 0 | 0 | 63.1 | 65 | 20 | 19 | 9 | 64 | 3 | 8 |
| Alex Claudio* | Cle | rp | 29 | 2.93 | 3 | 2 | 3 | 70 | 0 | 0 | 0 | 55.1 | 51 | 21 | 18 | 16 | 36 | 4 | 11 |
| Garrett Cleavinger* | Cle | mr | 27 | 3.51 | 0 | 0 | 2 | 44 | 0 | 0 | 0 | 48.2 | 31 | 21 | 19 | 43 | 73 | 6 | 2 |
| Tyler Clippard | Sea | mr | 36 | 5.57 | 1 | 2 | 3 | 32 | 0 | 0 | 0 | 32.1 | 28 | 21 | 20 | 15 | 37 | 7 | 1 |
| Gerrit Cole | Oak | sp | 30 | 2.87 | 20 | 4 | 0 | 32 | 32 | 7 | 4 | 235.0 | 166 | 76 | 75 | 58 | 321 | 29 | 13 |
| Adam Conley* | Was | mr | 31 | 4.91 | 0 | 1 | 1 | 6 | 0 | 0 | 0 | 7.1 | 6 | 5 | 4 | 1 | 4 | 2 | 3 |
| Sam Coonrod | Oak | mr | 28 | 3.80 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 21.1 | 15 | 9 | 9 | 8 | 20 | 1 | 4 |
| Jimmy Cordero | Mtl | mr | 29 | 4.15 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 4.1 | 4 | 2 | 2 | 0 | 3 | 0 | 0 |
| Jharel Cotton | Oak | sp | 29 | 4.04 | 5 | 3 | 0 | 12 | 12 | 0 | 0 | 64.2 | 58 | 30 | 29 | 26 | 56 | 10 | 8 |
| Kyle Crick | Oak | mr | 28 | 4.57 | 0 | 2 | 0 | 28 | 0 | 0 | 0 | 41.1 | 30 | 21 | 21 | 30 | 46 | 7 | 5 |
| Tucker Davidson* | Cle | sp | 25 | 7.77 | 3 | 5 | 0 | 11 | 11 | 0 | 0 | 46.1 | 53 | 43 | 40 | 26 | 45 | 5 | 6 |
| Zach Davies | KCR | sp | 28 | 3.88 | 9 | 9 | 0 | 27 | 26 | 0 | 0 | 144.0 | 139 | 68 | 62 | 39 | 96 | 21 | 14 |
| Grant Dayton* | LAA | mr | 33 | 5.82 | 1 | 0 | 1 | 30 | 0 | 0 | 0 | 38.2 | 34 | 25 | 25 | 17 | 49 | 8 | 1 |
| Jose De Leon | Tor | sp | 28 | 5.54 | 0 | 1 | 0 | 34 | 0 | 0 | 0 | 39.0 | 44 | 25 | 24 | 16 | 40 | 10 | 3 |
| Chris Devenski | Sea | mr | 30 | 3.68 | 1 | 0 | 2 | 53 | 0 | 0 | 0 | 66.0 | 54 | 34 | 27 | 12 | 66 | 14 | 4 |
| Edwin Diaz | Oak | cl | 27 | 4.43 | 6 | 5 | 29 | 53 | 0 | 0 | 0 | 61.0 | 44 | 30 | 30 | 22 | 89 | 10 | 2 |
| Phillip Diehl* | ChW | mr | 26 | 3.97 | 8 | 3 | 8 | 55 | 0 | 0 | 0 | 65.2 | 52 | 31 | 29 | 21 | 69 | 10 | 6 |
| Randy Dobnak | Mtl | sp | 26 | 4.56 | 7 | 8 | 0 | 42 | 20 | 0 | 0 | 146.0 | 154 | 81 | 74 | 30 | 98 | 22 | 16 |
| Danny Duffy* | Det | sp | 32 | 3.47 | 10 | 6 | 0 | 25 | 25 | 2 | 1 | 155.2 | 134 | 71 | 60 | 44 | 143 | 20 | 10 |
| Justin Dunn | Sea | sp | 25 | 4.84 | 7 | 7 | 0 | 18 | 18 | 0 | 0 | 100.1 | 97 | 58 | 54 | 37 | 90 | 12 | 6 |
| Dane Dunning | Bal | sp | 26 | 7.40 | 0 | 4 | 0 | 9 | 9 | 0 | 0 | 45.0 | 53 | 41 | 37 | 17 | 34 | 8 | 5 |
| Jon Duplantier | Was | sp | 26 | 5.79 | 3 | 10 | 0 | 21 | 21 | 0 | 0 | 102.2 | 113 | 69 | 66 | 55 | 103 | 15 | 16 |
| Sam Dyson | Mtl | mr | 33 | 8.10 | 0 | 2 | 0 | 12 | 0 | 0 | 0 | 13.1 | 21 | 12 | 12 | 5 | 11 | 4 | 2 |
| Zach Eflin | Was | sp | 27 | 5.14 | 4 | 14 | 0 | 27 | 26 | 0 | 0 | 138.1 | 152 | 93 | 79 | 53 | 103 | 25 | 14 |
| Jerad Eickhoff | Oak | sp | 30 | 9.40 | 0 | 8 | 0 | 11 | 11 | 0 | 0 | 45.0 | 70 | 49 | 47 | 22 | 31 | 11 | 2 |
| Robbie Erlin* | Tex | mr | 30 | 2.48 | 1 | 0 | 0 | 18 | 0 | 0 | 0 | 29.0 | 26 | 8 | 8 | 4 | 23 | 3 | 3 |
| Demarcus Evans | KCR | mr | 24 | 4.88 | 4 | 3 | 4 | 48 | 0 | 0 | 0 | 55.1 | 44 | 34 | 30 | 38 | 68 | 6 | 6 |
| Alex Faedo | Tex | sp | 25 | 6.80 | 1 | 10 | 0 | 18 | 18 | 0 | 0 | 92.2 | 107 | 74 | 70 | 25 | 85 | 20 | 6 |
| Peter Fairbanks | ChW | mr | 27 | 4.60 | 1 | 5 | 2 | 47 | 0 | 0 | 0 | 58.2 | 59 | 30 | 30 | 21 | 74 | 8 | 3 |
| Buck Farmer | Was | mr | 30 | 4.78 | 1 | 2 | 0 | 25 | 0 | 0 | 0 | 32.0 | 31 | 17 | 17 | 11 | 27 | 5 | 3 |
| Michael Feliz | Mtl | mr | 28 | 4.88 | 5 | 0 | 2 | 24 | 0 | 0 | 0 | 27.2 | 28 | 15 | 15 | 15 | 29 | 6 | 3 |
| J.P. Feyereisen | Min | mr | 28 | 2.96 | 4 | 0 | 5 | 41 | 0 | 0 | 0 | 54.2 | 39 | 19 | 18 | 26 | 72 | 9 | 9 |
| Mike Fiers | KCR | sp | 36 | 4.66 | 1 | 0 | 0 | 6 | 0 | 0 | 0 | 9.2 | 15 | 9 | 5 | 1 | 10 | 3 | 0 |
| Jack Flaherty | NYY | sp | 25 | 4.55 | 8 | 15 | 0 | 33 | 33 | 4 | 2 | 225.1 | 206 | 124 | 114 | 60 | 263 | 46 | 13 |
| Josh Fleming* | Mtl | sp | 25 | 4.83 | 5 | 3 | 0 | 41 | 4 | 0 | 0 | 76.1 | 78 | 44 | 41 | 22 | 60 | 11 | 5 |
| Dylan Floro | NYY | mr | 30 | 2.05 | 3 | 0 | 1 | 19 | 0 | 0 | 0 | 26.1 | 28 | 7 | 6 | 5 | 14 | 4 | 3 |
| Mike Foltynewicz | Bal | sp | 29 | 4.74 | 9 | 10 | 0 | 22 | 22 | 0 | 0 | 131.0 | 109 | 72 | 69 | 44 | 114 | 18 | 7 |
| Matt Foster | LAA | mr | 26 | 3.20 | 1 | 0 | 2 | 23 | 0 | 0 | 0 | 45.0 | 41 | 17 | 16 | 7 | 43 | 5 | 5 |
| Kyle Freeland* | Tor | sp | 28 | 2.69 | 13 | 11 | 0 | 31 | 31 | 4 | 3 | 187.1 | 135 | 64 | 56 | 59 | 134 | 15 | 23 |
| Max Fried* | KCR | sp | 27 | 4.27 | 11 | 13 | 0 | 45 | 28 | 1 | 1 | 166.2 | 158 | 85 | 79 | 70 | 156 | 18 | 21 |
| Jace Fry* | Tor | mr | 27 | 2.64 | 3 | 2 | 4 | 46 | 0 | 0 | 0 | 44.1 | 26 | 15 | 13 | 21 | 64 | 4 | 1 |
| Paul Fry* | LAA | mr | 28 | 3.23 | 3 | 3 | 9 | 54 | 0 | 0 | 0 | 61.1 | 39 | 22 | 22 | 30 | 64 | 6 | 8 |
| Michael Fulmer | Det | sp | 28 | 4.07 | 6 | 7 | 0 | 20 | 20 | 0 | 0 | 117.1 | 113 | 61 | 53 | 31 | 87 | 19 | 14 |
| Zac Gallen | Min | sp | 25 | 3.73 | 15 | 6 | 0 | 29 | 29 | 0 | 0 | 176.0 | 146 | 78 | 73 | 58 | 224 | 25 | 9 |
| John Gant | KCR | mr | 28 | 5.97 | 4 | 10 | 3 | 101 | 0 | 0 | 0 | 104.0 | 117 | 76 | 69 | 44 | 89 | 20 | 14 |
| Edgar Garcia | Was | mr | 24 | 4.60 | 1 | 5 | 9 | 56 | 0 | 0 | 0 | 62.2 | 63 | 33 | 32 | 31 | 76 | 14 | 4 |
| Rico Garcia | Mtl | sp | 27 | 6.00 | 1 | 0 | 0 | 4 | 4 | 0 | 0 | 15.0 | 18 | 10 | 10 | 5 | 14 | 3 | 0 |
| Sam Gaviglio | Was | mr | 31 | 3.67 | 4 | 4 | 1 | 49 | 0 | 0 | 0 | 81.0 | 74 | 37 | 33 | 11 | 74 | 13 | 4 |
| Joey Gerber | Was | mr | 24 | 5.84 | 0 | 4 | 0 | 36 | 0 | 0 | 0 | 44.2 | 38 | 29 | 29 | 31 | 46 | 7 | 2 |
| Domingo German | Bal | sp | 28 | 5.77 | 7 | 8 | 0 | 26 | 15 | 0 | 0 | 98.1 | 100 | 71 | 63 | 28 | 108 | 22 | 6 |
| Ken Giles | Sea | cl | 30 | 3.64 | 2 | 2 | 0 | 41 | 0 | 0 | 0 | 42.0 | 36 | 17 | 17 | 17 | 50 | 8 | 3 |
| Lucas Giolito | ChW | sp | 26 | 3.99 | 12 | 8 | 0 | 29 | 29 | 3 | 1 | 191.2 | 165 | 92 | 85 | 59 | 237 | 32 | 14 |
| Austin Gomber* | Tex | sp | 27 | 4.86 | 6 | 6 | 1 | 32 | 14 | 0 | 0 | 96.1 | 84 | 53 | 52 | 38 | 83 | 18 | 12 |
| Stephen Gonsalves* | Min | sp | 26 | 3.75 | 5 | 0 | 0 | 63 | 0 | 0 | 0 | 57.2 | 53 | 25 | 24 | 35 | 73 | 7 | 3 |
| Marco Gonzales* | Sea | sp | 29 | 5.21 | 7 | 15 | 0 | 28 | 28 | 0 | 0 | 178.0 | 186 | 106 | 103 | 44 | 153 | 27 | 11 |
| Brusdar Graterol | Bos | mr | 22 | 2.54 | 2 | 1 | 2 | 35 | 0 | 0 | 0 | 46.0 | 36 | 13 | 13 | 21 | 44 | 5 | 4 |
| Chad Green | NYY | mr | 30 | 3.20 | 3 | 5 | 2 | 50 | 0 | 0 | 0 | 56.1 | 41 | 21 | 20 | 13 | 71 | 6 | 3 |
| Justin Grimm | Tor | mr | 32 | 5.84 | 2 | 2 | 1 | 18 | 0 | 0 | 0 | 24.2 | 17 | 16 | 16 | 15 | 28 | 4 | 3 |
| Robert Gsellman | Cle | rp | 27 | 3.79 | 4 | 2 | 0 | 60 | 0 | 0 | 0 | 71.1 | 79 | 35 | 30 | 18 | 51 | 7 | 11 |
| Javy A. Guerra | Bal | mr | 25 | 9.47 | 1 | 0 | 2 | 17 | 0 | 0 | 0 | 19.0 | 32 | 21 | 20 | 10 | 12 | 7 | 2 |
| Junior Guerra | Oak | mr | 36 | 3.16 | 2 | 0 | 2 | 39 | 0 | 0 | 0 | 62.2 | 56 | 25 | 22 | 17 | 60 | 7 | 5 |
| Josh Hader* | NYY | cl | 27 | 3.34 | 4 | 8 | 30 | 63 | 0 | 0 | 0 | 70.0 | 54 | 28 | 26 | 22 | 137 | 12 | 5 |
| Cole Hamels* | Oak | sp | 37 | 4.81 | 8 | 10 | 0 | 26 | 26 | 1 | 0 | 155.1 | 150 | 89 | 83 | 56 | 127 | 24 | 11 |
| Ian Hamilton | Tex | mr | 26 | 4.81 | 2 | 1 | 1 | 20 | 0 | 0 | 0 | 24.1 | 24 | 13 | 13 | 7 | 19 | 6 | 1 |
| Brad Hand* | Oak | cl | 31 | 2.47 | 5 | 1 | 4 | 45 | 0 | 0 | 0 | 58.1 | 44 | 17 | 16 | 9 | 76 | 10 | 5 |
| J.A. Happ* | Det | sp | 38 | 2.98 | 11 | 4 | 0 | 25 | 25 | 0 | 0 | 139.0 | 120 | 49 | 46 | 43 | 137 | 9 | 11 |
| Ryne Harper | Bal | mr | 32 | 3.44 | 0 | 0 | 2 | 41 | 0 | 0 | 0 | 55.0 | 45 | 22 | 21 | 18 | 55 | 8 | 6 |
| Hunter Harvey | LAA | mr | 26 | 4.99 | 1 | 2 | 0 | 21 | 4 | 0 | 0 | 39.2 | 40 | 23 | 22 | 15 | 31 | 8 | 2 |
| Taylor Hearn* | LAA | sp | 26 | 5.17 | 3 | 2 | 0 | 10 | 10 | 0 | 0 | 47.0 | 36 | 27 | 27 | 26 | 57 | 11 | 2 |
| Ryan Helsley | LAA | mr | 26 | 9.23 | 1 | 6 | 0 | 20 | 5 | 0 | 0 | 39.0 | 54 | 46 | 40 | 30 | 38 | 7 | 4 |
| Kyle Hendricks | Cle | sp | 31 | 3.17 | 19 | 5 | 0 | 29 | 29 | 4 | 3 | 190.1 | 151 | 71 | 67 | 43 | 154 | 24 | 13 |
| Darwinzon Hernandez* | NYY | mr | 24 | 1.84 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | 14.2 | 10 | 3 | 3 | 14 | 21 | 0 | 2 |
| Elieser Hernandez | KCR | sp | 26 | 4.27 | 1 | 2 | 5 | 84 | 0 | 0 | 0 | 86.1 | 72 | 42 | 41 | 32 | 79 | 14 | 7 |
| Felix Hernandez | Sea | sp | 35 | 5.86 | 3 | 6 | 0 | 12 | 12 | 0 | 0 | 55.1 | 76 | 46 | 36 | 20 | 39 | 8 | 8 |
| Jonathan Hernandez | Cle | mr | 24 | 5.79 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4.2 | 4 | 4 | 3 | 2 | 5 | 1 | 0 |
| Codi Heuer | Det | mr | 24 | 3.53 | 4 | 0 | 1 | 44 | 0 | 0 | 0 | 58.2 | 55 | 25 | 23 | 18 | 55 | 5 | 5 |
| Trevor Hildenberger | Tex | mr | 30 | 8.22 | 0 | 3 | 1 | 14 | 0 | 0 | 0 | 15.1 | 22 | 14 | 14 | 4 | 20 | 4 | 0 |
| Rich Hill* | Bal | sp | 41 | 3.14 | 9 | 3 | 0 | 18 | 18 | 1 | 0 | 100.1 | 79 | 36 | 35 | 31 | 124 | 19 | 1 |
| Jeff Hoffman | Tex | sp | 28 | 5.31 | 4 | 10 | 0 | 20 | 20 | 0 | 0 | 103.1 | 99 | 65 | 61 | 44 | 97 | 15 | 11 |
| Greg Holland | Bos | cl | 35 | 4.54 | 1 | 2 | 3 | 47 | 0 | 0 | 0 | 37.2 | 41 | 21 | 19 | 24 | 34 | 5 | 4 |
| Clay Holmes | LAA | mr | 28 | 6.47 | 4 | 5 | 0 | 23 | 9 | 0 | 0 | 64.0 | 67 | 47 | 46 | 39 | 67 | 12 | 4 |
| Brent Honeywell | Cle | sp | 26 | 5.59 | 7 | 7 | 0 | 15 | 15 | 0 | 0 | 74.0 | 91 | 52 | 46 | 27 | 58 | 15 | 9 |
| Tanner Houck | LAA | sp | 25 | 6.04 | 4 | 7 | 0 | 19 | 16 | 0 | 0 | 85.0 | 96 | 63 | 57 | 35 | 81 | 21 | 5 |
| Dakota Hudson | KCR | sp | 26 | 6.11 | 5 | 15 | 0 | 33 | 33 | 0 | 0 | 157.2 | 177 | 116 | 107 | 85 | 107 | 19 | 23 |
| Jared Hughes | ChW | mr | 35 | 5.08 | 3 | 1 | 1 | 48 | 0 | 0 | 0 | 56.2 | 60 | 32 | 32 | 22 | 54 | 7 | 9 |
| Luke Jackson | Bos | cl | 29 | 2.99 | 4 | 1 | 9 | 59 | 0 | 0 | 0 | 78.1 | 71 | 29 | 26 | 27 | 100 | 8 | 5 |
| Josh James | Mtl | mr | 28 | 4.28 | 3 | 4 | 2 | 50 | 5 | 0 | 0 | 82.0 | 70 | 41 | 39 | 32 | 105 | 12 | 6 |
| Cristian Javier | NYY | sp | 24 | 4.06 | 4 | 5 | 0 | 18 | 18 | 0 | 0 | 102.0 | 79 | 46 | 46 | 46 | 133 | 15 | 6 |
| Dany Jimenez | Tex | mr | 27 | 4.32 | 7 | 3 | 10 | 41 | 0 | 0 | 0 | 58.1 | 56 | 29 | 28 | 22 | 55 | 9 | 6 |
| Joe Jimenez | Cle | cl | 26 | 2.93 | 1 | 3 | 31 | 50 | 0 | 0 | 0 | 55.1 | 48 | 18 | 18 | 15 | 63 | 4 | 3 |
| Jakob Junis | LAA | sp | 28 | 6.51 | 6 | 18 | 0 | 29 | 29 | 0 | 0 | 150.2 | 210 | 120 | 109 | 38 | 152 | 34 | 10 |
| Tommy Kahnle | Mtl | mr | 31 | 2.38 | 3 | 3 | 20 | 56 | 0 | 0 | 0 | 53.0 | 34 | 14 | 14 | 20 | 78 | 7 | 5 |
| Rob Kaminsky* | Was | mr | 26 | 7.32 | 1 | 4 | 1 | 64 | 0 | 0 | 0 | 51.2 | 57 | 44 | 42 | 43 | 42 | 5 | 5 |
| Keone Kela | LAA | mr | 28 | 6.00 | 0 | 2 | 7 | 34 | 0 | 0 | 0 | 36.0 | 32 | 24 | 24 | 14 | 50 | 11 | 4 |
| Brad Keller | Cle | sp | 25 | 4.35 | 8 | 9 | 0 | 30 | 30 | 1 | 0 | 171.2 | 149 | 87 | 83 | 61 | 108 | 18 | 20 |
| Mitch Keller | Cle | sp | 25 | 5.49 | 9 | 5 | 0 | 24 | 24 | 0 | 0 | 105.0 | 106 | 71 | 64 | 59 | 97 | 16 | 6 |
| Ian Kennedy | LAA | cl | 36 | 6.63 | 4 | 2 | 3 | 19 | 0 | 0 | 0 | 19.0 | 24 | 14 | 14 | 7 | 17 | 8 | 2 |
| Dallas Keuchel* | LAA | sp | 33 | 3.48 | 9 | 13 | 0 | 27 | 27 | 1 | 0 | 176.0 | 150 | 71 | 68 | 54 | 148 | 19 | 22 |
| Michael King | Tex | sp | 26 | 5.32 | 3 | 9 | 0 | 16 | 16 | 0 | 0 | 89.2 | 110 | 57 | 53 | 23 | 63 | 20 | 9 |
| Adam Kolarek* |   | mr | 32 | 3.88 | 2 | 6 | 6 | 48 | 0 | 0 | 0 | 51.0 | 47 | 26 | 22 | 16 | 37 | 2 | 3 |
| Chad Kuhl | Was | sp | 28 | 5.24 | 1 | 10 | 0 | 18 | 18 | 0 | 0 | 103.0 | 109 | 69 | 60 | 36 | 80 | 14 | 6 |
| Peter Lambert | Tor | sp | 24 | 5.43 | 7 | 11 | 0 | 24 | 23 | 2 | 0 | 134.1 | 155 | 90 | 81 | 35 | 72 | 24 | 10 |
| Dinelson Lamet | NYY | sp | 28 | 3.79 | 7 | 6 | 0 | 23 | 23 | 0 | 0 | 116.1 | 98 | 55 | 49 | 69 | 143 | 13 | 5 |
| Eric Lauer* | Min | sp | 26 | 4.22 | 9 | 6 | 0 | 26 | 26 | 1 | 0 | 136.1 | 128 | 77 | 64 | 46 | 138 | 27 | 4 |
| Mike Leake | Sea | sp | 33 | 5.92 | 10 | 10 | 0 | 25 | 25 | 1 | 1 | 153.2 | 199 | 116 | 101 | 31 | 94 | 23 | 14 |
| Jose Leclerc | Det | cl | 27 | 0.94 | 7 | 1 | 19 | 54 | 0 | 0 | 0 | 67.0 | 39 | 8 | 7 | 19 | 88 | 3 | 8 |
| Jon Lester* | ChW | sp | 37 | 4.86 | 7 | 10 | 0 | 25 | 25 | 0 | 0 | 139.0 | 150 | 83 | 75 | 57 | 118 | 27 | 14 |
| Francisco Liriano* | Min | mr | 37 | 2.25 | 3 | 0 | 2 | 41 | 0 | 0 | 0 | 36.0 | 14 | 10 | 9 | 20 | 36 | 3 | 5 |
| Zack Littell | Was | mr | 25 | 3.15 | 2 | 6 | 4 | 72 | 0 | 0 | 0 | 80.0 | 69 | 33 | 28 | 34 | 76 | 12 | 10 |
| Walker Lockett | Sea | sp | 27 | 3.00 | 0 | 1 | 0 | 15 | 0 | 0 | 0 | 21.0 | 26 | 11 | 7 | 5 | 16 | 2 | 0 |
| Pablo Lopez | Mtl | sp | 25 | 4.60 | 12 | 10 | 0 | 26 | 26 | 0 | 0 | 154.2 | 146 | 85 | 79 | 37 | 126 | 32 | 8 |
| Yoan Lopez | Cle | mr | 28 | 5.60 | 1 | 1 | 2 | 36 | 0 | 0 | 0 | 35.1 | 31 | 26 | 22 | 27 | 26 | 5 | 3 |
| Richard Lovelady* | Cle | rp | 25 | 3.00 | 3 | 5 | 1 | 60 | 0 | 0 | 0 | 54.0 | 54 | 21 | 18 | 10 | 50 | 5 | 6 |
| Seth Lugo | Bal | mr | 31 | 2.93 | 4 | 5 | 32 | 65 | 0 | 0 | 0 | 73.2 | 57 | 24 | 24 | 21 | 89 | 6 | 5 |
| Jesus Luzardo* | Was | sp | 23 | 3.91 | 3 | 3 | 0 | 14 | 14 | 0 | 0 | 78.1 | 70 | 42 | 34 | 28 | 70 | 9 | 7 |
| Sean Manaea* | Tex | sp | 29 | 5.08 | 2 | 10 | 0 | 18 | 18 | 0 | 0 | 101.0 | 93 | 62 | 57 | 30 | 110 | 24 | 9 |
| Dillon Maples | LAA | mr | 29 | 6.85 | 1 | 3 | 3 | 40 | 0 | 0 | 0 | 47.1 | 46 | 39 | 36 | 43 | 71 | 6 | 4 |
| Nick Margevicius* | Bos | sp | 25 | 6.17 | 6 | 11 | 0 | 24 | 24 | 0 | 0 | 135.2 | 169 | 103 | 93 | 32 | 98 | 26 | 12 |
| Evan Marshall | Min | mr | 31 | 3.57 | 2 | 0 | 1 | 15 | 0 | 0 | 0 | 22.2 | 15 | 9 | 9 | 11 | 15 | 3 | 2 |
| Carlos Martinez | Det | sp | 29 | 1.46 | 4 | 1 | 0 | 10 | 0 | 0 | 0 | 12.1 | 4 | 2 | 2 | 3 | 15 | 1 | 2 |
| Steven Matz* | Tex | sp | 30 | 5.74 | 7 | 10 | 0 | 26 | 26 | 0 | 0 | 141.0 | 138 | 97 | 90 | 49 | 126 | 25 | 9 |
| Mike Mayers | KCR | mr | 29 | 5.25 | 2 | 3 | 1 | 46 | 0 | 0 | 0 | 60.0 | 62 | 36 | 35 | 26 | 62 | 7 | 4 |
| Kevin McCarthy | Was | mr | 29 | 4.50 | 0 | 1 | 0 | 7 | 0 | 0 | 0 | 10.0 | 6 | 6 | 5 | 2 | 5 | 2 | 1 |
| Brendan McKay* | Was | sp | 25 | 3.69 | 6 | 7 | 0 | 24 | 24 | 0 | 0 | 141.1 | 118 | 63 | 58 | 38 | 165 | 14 | 10 |
| Nick Mears | LAA | mr | 24 | 5.40 | 3 | 0 | 0 | 31 | 0 | 0 | 0 | 45.0 | 43 | 29 | 27 | 19 | 48 | 7 | 3 |
| Mark Melancon | NYY | cl | 36 | 5.54 | 1 | 5 | 1 | 40 | 0 | 0 | 0 | 50.1 | 56 | 37 | 31 | 12 | 32 | 11 | 4 |
| Julian Merryweather | Tor | sp | 29 | 4.91 | 0 | 2 | 0 | 4 | 4 | 0 | 0 | 25.2 | 25 | 14 | 14 | 6 | 23 | 5 | 0 |
| Keynan Middleton | Cle | mr | 27 | 16.20 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 3.1 | 4 | 6 | 6 | 6 | 6 | 1 | 0 |
| Andrew Miller* | Bal | mr | 36 | 3.79 | 3 | 2 | 0 | 39 | 0 | 0 | 0 | 40.1 | 34 | 19 | 17 | 14 | 51 | 5 | 1 |
| Mike Minor* | NYY | sp | 33 | 3.45 | 9 | 9 | 0 | 22 | 22 | 3 | 1 | 156.2 | 130 | 61 | 60 | 28 | 141 | 25 | 15 |
| A.J. Minter* | NYY | mr | 27 | 2.79 | 2 | 1 | 2 | 48 | 0 | 0 | 0 | 51.2 | 50 | 16 | 16 | 20 | 59 | 9 | 6 |
| Rafael Montero | Det | mr | 30 | 5.69 | 1 | 5 | 2 | 41 | 0 | 0 | 0 | 49.0 | 59 | 35 | 31 | 12 | 44 | 11 | 6 |
| Jordan Montgomery* | Bal | sp | 28 | 5.31 | 5 | 8 | 0 | 17 | 17 | 2 | 0 | 101.2 | 105 | 62 | 60 | 36 | 83 | 13 | 17 |
| Adam Morgan* | Bos | mr | 31 | 2.22 | 1 | 0 | 1 | 27 | 0 | 0 | 0 | 24.1 | 19 | 8 | 6 | 9 | 34 | 2 | 0 |
| Reyes Moronta | Cle | rp | 28 | 4.02 | 6 | 1 | 3 | 57 | 0 | 0 | 0 | 56.0 | 39 | 26 | 25 | 27 | 75 | 8 | 5 |
| Ljay Newsome | KCR | sp | 24 | 5.36 | 2 | 3 | 0 | 9 | 9 | 0 | 0 | 48.2 | 56 | 33 | 29 | 8 | 36 | 12 | 4 |
| Darren O'Day | Min | mr | 38 | 4.20 | 1 | 0 | 1 | 19 | 0 | 0 | 0 | 15.0 | 14 | 7 | 7 | 7 | 20 | 3 | 0 |
| Scott Oberg | ChW | mr | 31 | 3.79 | 2 | 3 | 10 | 40 | 0 | 0 | 0 | 57.0 | 45 | 24 | 24 | 22 | 45 | 7 | 9 |
| Jake Odorizzi | Sea | sp | 31 | 4.35 | 11 | 10 | 0 | 28 | 28 | 1 | 1 | 171.2 | 162 | 93 | 83 | 48 | 166 | 29 | 9 |
| Shohei Ohtani | ChW | dh | 26 | 2.14 | 7 | 3 | 0 | 12 | 12 | 0 | 0 | 80.0 | 58 | 21 | 19 | 29 | 84 | 5 | 4 |
| Roberto Osuna | Tor | cl | 26 | 3.20 | 5 | 4 | 21 | 56 | 0 | 0 | 0 | 70.1 | 70 | 25 | 25 | 8 | 72 | 8 | 5 |
| Dan Otero | Sea | mr | 36 | 5.40 | 1 | 0 | 1 | 9 | 0 | 0 | 0 | 10.0 | 16 | 6 | 6 | 0 | 6 | 3 | 1 |
| Adam Ottavino | Oak | mr | 35 | 1.46 | 3 | 0 | 1 | 47 | 0 | 0 | 0 | 55.2 | 28 | 11 | 9 | 23 | 85 | 2 | 3 |
| Johan Oviedo | Tex | sp | 23 | 8.92 | 1 | 5 | 0 | 8 | 8 | 0 | 0 | 38.1 | 53 | 40 | 38 | 19 | 27 | 14 | 2 |
| Chris Paddack | Min | sp | 25 | 3.54 | 15 | 7 | 0 | 28 | 28 | 3 | 1 | 188.0 | 167 | 80 | 74 | 37 | 194 | 32 | 6 |
| Enoli Paredes | Min | mr | 25 | 4.63 | 2 | 0 | 1 | 34 | 0 | 0 | 0 | 58.1 | 42 | 30 | 30 | 26 | 59 | 10 | 6 |
| Luis Patino | Min | sp | 21 | 6.14 | 3 | 3 | 0 | 11 | 11 | 0 | 0 | 48.1 | 60 | 39 | 33 | 22 | 45 | 12 | 7 |
| James Paxton* | Sea | sp | 32 | 3.58 | 5 | 5 | 0 | 17 | 17 | 0 | 0 | 93.0 | 83 | 40 | 37 | 26 | 104 | 12 | 8 |
| Felix Pena | Bos | sp | 31 | 5.14 | 2 | 8 | 0 | 25 | 13 | 1 | 0 | 91.0 | 104 | 67 | 52 | 30 | 92 | 17 | 10 |
| Wandy Peralta* | KCR | mr | 29 | 5.32 | 1 | 3 | 2 | 31 | 0 | 0 | 0 | 23.2 | 21 | 14 | 14 | 5 | 22 | 8 | 5 |
| Cionel Perez* | Min | sp | 25 | 3.91 | 3 | 2 | 0 | 10 | 10 | 0 | 0 | 53.0 | 51 | 23 | 23 | 30 | 52 | 9 | 6 |
| Martin Perez* | Det | sp | 30 | 3.82 | 2 | 2 | 0 | 7 | 7 | 0 | 0 | 37.2 | 46 | 23 | 16 | 8 | 35 | 5 | 8 |
| Oliver Perez* | KCR | mr | 39 | 3.83 | 3 | 1 | 2 | 42 | 0 | 0 | 0 | 44.2 | 33 | 19 | 19 | 9 | 45 | 4 | 4 |
| David Phelps | Min | mr | 34 | 4.15 | 2 | 3 | 0 | 35 | 0 | 0 | 0 | 39.0 | 32 | 20 | 18 | 19 | 35 | 5 | 1 |
| Michael Pineda | LAA | sp | 32 | 4.65 | 4 | 9 | 0 | 22 | 22 | 2 | 0 | 137.1 | 152 | 73 | 71 | 25 | 137 | 26 | 10 |
| Nick Pivetta | Was | sp | 28 | 4.34 | 7 | 9 | 0 | 27 | 21 | 0 | 0 | 128.2 | 105 | 66 | 62 | 54 | 129 | 15 | 17 |
| Adam Plutko | Tor | sp | 29 | 4.85 | 2 | 3 | 0 | 10 | 10 | 0 | 0 | 59.1 | 66 | 33 | 32 | 16 | 48 | 12 | 2 |
| Drew Pomeranz* | Det | mr | 32 | 3.05 | 5 | 6 | 9 | 51 | 0 | 0 | 0 | 59.0 | 40 | 20 | 20 | 34 | 75 | 3 | 8 |
| Rick Porcello | ChW | sp | 32 | 4.75 | 8 | 11 | 0 | 29 | 29 | 1 | 0 | 165.0 | 179 | 96 | 87 | 41 | 140 | 29 | 9 |
| A.J. Puk* | ChW | mr | 26 | 5.74 | 5 | 4 | 0 | 18 | 12 | 0 | 0 | 62.2 | 73 | 43 | 40 | 36 | 74 | 11 | 3 |
| Cal Quantrill | Oak | sp | 26 | 4.86 | 12 | 9 | 0 | 25 | 25 | 0 | 0 | 139.0 | 144 | 78 | 75 | 55 | 120 | 16 | 11 |
| Jose Quintana* | KCR | sp | 32 | 5.34 | 7 | 15 | 1 | 30 | 27 | 0 | 0 | 155.0 | 166 | 98 | 92 | 55 | 126 | 22 | 7 |
| Tanner Rainey | Min | mr | 28 | 5.40 | 2 | 2 | 1 | 19 | 0 | 0 | 0 | 21.2 | 17 | 13 | 13 | 16 | 34 | 5 | 2 |
| Nick Ramirez* | Bal | mr | 31 | 3.57 | 0 | 0 | 0 | 42 | 0 | 0 | 0 | 70.2 | 77 | 35 | 28 | 27 | 60 | 7 | 8 |
| Drew Rasmussen | Min | sp | 25 | 3.59 | 7 | 5 | 0 | 15 | 15 | 0 | 0 | 80.1 | 64 | 36 | 32 | 37 | 81 | 9 | 6 |
| Robbie Ray* | Min | sp | 29 | 3.09 | 16 | 7 | 0 | 31 | 31 | 0 | 0 | 183.2 | 137 | 65 | 63 | 79 | 248 | 22 | 16 |
| Addison Reed | LAA | mr | 32 | 1.57 | 2 | 0 | 1 | 40 | 0 | 0 | 0 | 51.2 | 38 | 10 | 9 | 7 | 41 | 6 | 1 |
| Cody Reed* | Det | mr | 28 | 3.14 | 3 | 4 | 1 | 49 | 0 | 0 | 0 | 48.2 | 42 | 18 | 17 | 22 | 58 | 1 | 4 |
| Sean Reid-Foley | Tor | sp | 25 | 3.97 | 6 | 10 | 0 | 31 | 29 | 0 | 0 | 133.2 | 127 | 73 | 59 | 79 | 143 | 21 | 11 |
| Trevor Richards | Mtl | sp | 28 | 5.15 | 3 | 5 | 1 | 36 | 8 | 0 | 0 | 71.2 | 71 | 47 | 41 | 28 | 74 | 18 | 4 |
| Tanner Roark | Bal | sp | 34 | 6.07 | 5 | 11 | 0 | 23 | 23 | 0 | 0 | 126.0 | 155 | 91 | 85 | 39 | 108 | 25 | 17 |
| Hansel Robles | Bos | cl | 30 | 4.23 | 2 | 4 | 5 | 42 | 0 | 0 | 0 | 66.0 | 74 | 34 | 31 | 16 | 77 | 10 | 9 |
| Eduardo Rodriguez* | Bos | sp | 28 | 3.80 | 15 | 9 | 0 | 30 | 30 | 0 | 0 | 180.0 | 169 | 88 | 76 | 53 | 185 | 23 | 18 |
| Joely Rodriguez* | Tex | mr | 29 | 2.41 | 4 | 2 | 5 | 41 | 0 | 0 | 0 | 56.0 | 30 | 17 | 15 | 20 | 59 | 5 | 4 |
| Richard Rodriguez | Det | mr | 31 | 5.01 | 1 | 3 | 1 | 47 | 0 | 0 | 0 | 59.1 | 75 | 35 | 33 | 18 | 60 | 14 | 7 |
| Taylor Rogers* | Sea | cl | 30 | 2.76 | 1 | 4 | 31 | 50 | 0 | 0 | 0 | 49.0 | 36 | 17 | 15 | 10 | 56 | 2 | 6 |
| Trevor Rogers* | Det | sp | 23 | 4.13 | 8 | 4 | 0 | 22 | 22 | 0 | 0 | 120.0 | 108 | 56 | 55 | 45 | 108 | 18 | 9 |
| Tyler Rogers | ChW | mr | 30 | 3.72 | 5 | 6 | 9 | 55 | 0 | 0 | 0 | 67.2 | 63 | 31 | 28 | 39 | 58 | 8 | 7 |
| Jordan Romano | Tor | mr | 28 | 5.61 | 3 | 3 | 2 | 62 | 0 | 0 | 0 | 77.0 | 83 | 58 | 48 | 36 | 83 | 20 | 1 |
| Sal Romano | Bos | mr | 27 | 4.01 | 3 | 5 | 1 | 25 | 12 | 1 | 0 | 94.1 | 93 | 46 | 42 | 21 | 76 | 12 | 7 |
| Fernando Romero | Was | mr | 26 | 4.14 | 2 | 5 | 2 | 63 | 0 | 0 | 0 | 71.2 | 65 | 35 | 33 | 21 | 64 | 9 | 8 |
| JoJo Romero* | Sea | sp | 24 | 3.80 | 1 | 2 | 0 | 4 | 4 | 0 | 0 | 23.2 | 21 | 12 | 10 | 11 | 22 | 3 | 1 |
| Sergio Romo | Bos | cl | 38 | 2.28 | 6 | 2 | 8 | 42 | 0 | 0 | 0 | 51.1 | 30 | 13 | 13 | 10 | 63 | 8 | 4 |
| Randy Rosario* | Cle | mr | 27 | 10.80 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1.2 | 3 | 2 | 2 | 1 | 2 | 1 | 0 |
| Tyson Ross | NYY | sp | 34 | 4.35 | 2 | 3 | 0 | 8 | 7 | 0 | 0 | 41.1 | 46 | 21 | 20 | 18 | 31 | 4 | 7 |
| Kyle Ryan* | Was | mr | 29 | 1.59 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 5.2 | 5 | 1 | 1 | 5 | 6 | 0 | 3 |
| Danny Salazar | Det | sp | 31 | 4.74 | 3 | 3 | 0 | 14 | 14 | 0 | 0 | 68.1 | 74 | 40 | 36 | 28 | 75 | 20 | 7 |
| Jeff Samardzija | Sea | sp | 36 | 3.80 | 11 | 9 | 0 | 25 | 25 | 1 | 0 | 163.1 | 158 | 81 | 69 | 46 | 126 | 28 | 10 |
| Tanner Scott* | Oak | mr | 26 | 3.06 | 5 | 3 | 2 | 51 | 0 | 0 | 0 | 64.2 | 50 | 23 | 22 | 35 | 81 | 2 | 9 |
| Paul Sewald | NYY | mr | 31 | 1.59 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 5.2 | 5 | 1 | 1 | 2 | 2 | 0 | 1 |
| Sterling Sharp | Tor | sp | 26 | 10.29 | 1 | 2 | 0 | 3 | 3 | 0 | 0 | 14.0 | 19 | 17 | 16 | 2 | 5 | 6 | 1 |
| Justus Sheffield* | Det | sp | 25 | 5.66 | 8 | 10 | 0 | 26 | 26 | 0 | 0 | 132.0 | 142 | 83 | 83 | 46 | 112 | 27 | 17 |
| Jimmie Sherfy | LAA | mr | 29 | 5.47 | 2 | 4 | 0 | 48 | 0 | 0 | 0 | 52.2 | 49 | 34 | 32 | 23 | 67 | 9 | 1 |
| Ryan Sherriff* | Tex | mr | 31 | 4.02 | 2 | 1 | 0 | 32 | 0 | 0 | 0 | 40.1 | 47 | 18 | 18 | 7 | 29 | 1 | 4 |
| Devin Smeltzer* | Bos | sp | 25 | 4.73 | 11 | 9 | 0 | 26 | 26 | 0 | 0 | 150.1 | 148 | 80 | 79 | 47 | 134 | 28 | 14 |
| Joe Smith | Bos | mr | 37 | 3.51 | 3 | 3 | 6 | 42 | 0 | 0 | 0 | 41.0 | 36 | 17 | 16 | 13 | 34 | 4 | 1 |
| Josh D. Smith* | Tor | mr | 31 | 7.58 | 2 | 1 | 2 | 19 | 2 | 0 | 0 | 29.2 | 36 | 26 | 25 | 18 | 25 | 3 | 5 |
| Will M. Smith* | Bal | cl | 31 | 3.07 | 4 | 2 | 2 | 52 | 0 | 0 | 0 | 55.2 | 31 | 19 | 19 | 24 | 77 | 9 | 4 |
| Drew Smyly* | Tor | sp | 32 | 6.12 | 6 | 8 | 0 | 20 | 20 | 0 | 0 | 110.1 | 123 | 86 | 75 | 35 | 113 | 27 | 5 |
| Chad Sobotka | NYY | mr | 27 | 6.23 | 2 | 0 | 2 | 19 | 0 | 0 | 0 | 17.1 | 22 | 15 | 12 | 7 | 22 | 3 | 3 |
| Gregory Soto* | Was | mr | 26 | 4.21 | 0 | 2 | 0 | 26 | 0 | 0 | 0 | 25.2 | 27 | 15 | 12 | 16 | 25 | 5 | 0 |
| Craig Stammen | Sea | mr | 37 | 2.97 | 2 | 0 | 2 | 58 | 0 | 0 | 0 | 72.2 | 71 | 27 | 24 | 15 | 66 | 7 | 9 |
| Cody Stashak | Tex | mr | 27 | 6.62 | 1 | 2 | 3 | 57 | 0 | 0 | 0 | 70.2 | 84 | 54 | 52 | 20 | 64 | 18 | 4 |
| Robert Stephenson | Sea | mr | 28 | 2.85 | 7 | 2 | 2 | 57 | 0 | 0 | 0 | 66.1 | 50 | 22 | 21 | 27 | 93 | 9 | 2 |
| Matt Strahm* | Mtl | mr | 29 | 4.83 | 3 | 1 | 1 | 18 | 8 | 0 | 0 | 41.0 | 36 | 23 | 22 | 19 | 50 | 10 | 2 |
| Cole Sulser | Cle | mr | 31 | 7.00 | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 9.0 | 13 | 7 | 7 | 5 | 8 | 2 | 0 |
| Trey Supak | Tor | sp | 25 | 4.40 | 6 | 6 | 0 | 17 | 17 | 0 | 0 | 94.0 | 104 | 59 | 46 | 26 | 67 | 13 | 7 |
| Julio Teheran | Bal | sp | 30 | 5.96 | 11 | 15 | 0 | 29 | 29 | 0 | 0 | 160.0 | 154 | 109 | 106 | 82 | 143 | 35 | 17 |
| Trent Thornton | KCR | sp | 27 | 3.24 | 2 | 3 | 2 | 26 | 8 | 0 | 0 | 66.2 | 74 | 27 | 24 | 17 | 54 | 5 | 11 |
| Lewis Thorpe* | Mtl | sp | 25 | 2.87 | 3 | 1 | 1 | 61 | 9 | 0 | 0 | 91.0 | 62 | 31 | 29 | 32 | 93 | 8 | 8 |
| Touki Toussaint | NYY | sp | 25 | 4.15 | 6 | 3 | 0 | 17 | 17 | 0 | 0 | 93.1 | 92 | 44 | 43 | 46 | 92 | 12 | 10 |
| Lou Trivino | Cle | rp | 29 | 3.34 | 5 | 5 | 2 | 56 | 0 | 0 | 0 | 59.1 | 63 | 24 | 22 | 21 | 51 | 8 | 3 |
| Spencer Turnbull | Min | sp | 28 | 5.77 | 3 | 3 | 0 | 8 | 8 | 0 | 0 | 39.0 | 46 | 27 | 25 | 14 | 35 | 6 | 4 |
| Jose Urena | Mtl | mr | 29 | 3.86 | 2 | 2 | 1 | 65 | 0 | 0 | 0 | 63.0 | 65 | 30 | 27 | 33 | 63 | 11 | 4 |
| Julio Urias* | Min | mr | 24 | 4.35 | 4 | 2 | 2 | 51 | 4 | 0 | 0 | 72.1 | 66 | 43 | 35 | 38 | 105 | 6 | 4 |
| Justin Verlander | Cle | sp | 38 | 3.53 | 15 | 3 | 0 | 29 | 29 | 2 | 1 | 209.0 | 160 | 85 | 82 | 45 | 268 | 38 | 7 |
| Nick Vincent | Oak | mr | 34 | 4.89 | 0 | 1 | 1 | 31 | 0 | 0 | 0 | 46.0 | 49 | 25 | 25 | 6 | 37 | 7 | 3 |
| Michael Wacha | Tex | sp | 29 | 4.35 | 3 | 1 | 0 | 60 | 4 | 0 | 0 | 101.1 | 97 | 58 | 49 | 40 | 79 | 13 | 18 |
| Adam Wainwright | Oak | sp | 39 | 3.38 | 10 | 8 | 0 | 22 | 22 | 1 | 1 | 128.0 | 120 | 54 | 48 | 43 | 101 | 18 | 13 |
| Taijuan Walker | Oak | sp | 28 | 5.50 | 5 | 6 | 0 | 17 | 17 | 0 | 0 | 93.1 | 103 | 61 | 57 | 31 | 89 | 17 | 8 |
| Art Warren | Sea | mr | 28 | 3.38 | 1 | 0 | 1 | 17 | 0 | 0 | 0 | 16.0 | 13 | 6 | 6 | 8 | 20 | 2 | 3 |
| Logan Webb | Det | sp | 24 | 4.37 | 7 | 6 | 0 | 20 | 20 | 0 | 0 | 105.0 | 105 | 56 | 51 | 35 | 88 | 16 | 8 |
| Forrest Whitley | NYY | sp | 23 | 4.22 | 5 | 7 | 0 | 15 | 15 | 0 | 0 | 79.0 | 67 | 46 | 37 | 33 | 102 | 12 | 5 |
| Kodi Whitley | Cle | mr | 26 | 3.79 | 7 | 2 | 0 | 61 | 0 | 0 | 0 | 61.2 | 53 | 26 | 26 | 32 | 60 | 3 | 1 |
| Devin Williams | KCR | mr | 26 | 5.26 | 3 | 3 | 2 | 81 | 0 | 0 | 0 | 90.2 | 79 | 54 | 53 | 75 | 112 | 10 | 6 |
| Trevor Williams | LAA | sp | 29 | 5.29 | 8 | 11 | 0 | 26 | 26 | 1 | 0 | 156.2 | 148 | 99 | 92 | 50 | 130 | 32 | 11 |
| Bryse Wilson | KCR | sp | 23 | 4.21 | 7 | 5 | 0 | 23 | 21 | 0 | 0 | 124.0 | 125 | 62 | 58 | 36 | 107 | 25 | 6 |
| Matt Wisler | Tex | mr | 28 | 4.28 | 2 | 2 | 2 | 19 | 0 | 0 | 0 | 27.1 | 29 | 13 | 13 | 5 | 22 | 7 | 2 |
| Nick Wittgren | Sea | mr | 30 | 2.34 | 6 | 3 | 0 | 54 | 0 | 0 | 0 | 57.2 | 49 | 15 | 15 | 8 | 69 | 4 | 1 |
| Alex Wood* | ChW | sp | 30 | 3.35 | 8 | 5 | 0 | 18 | 18 | 0 | 0 | 115.2 | 108 | 49 | 43 | 26 | 110 | 15 | 11 |
| Brandon Woodruff | Cle | sp | 28 | 4.20 | 8 | 7 | 0 | 23 | 23 | 0 | 0 | 130.2 | 117 | 65 | 61 | 40 | 146 | 17 | 6 |
| Shun Yamaguchi | Tor | sp | 33 | 3.93 | 7 | 9 | 0 | 24 | 23 | 0 | 0 | 139.2 | 119 | 70 | 61 | 64 | 131 | 23 | 9 |
| Jordan Yamamoto | Bal | sp | 25 | 6.11 | 8 | 12 | 0 | 25 | 25 | 0 | 0 | 134.0 | 126 | 102 | 91 | 60 | 120 | 30 | 8 |
| Ryan Yarbrough* | Mtl | sp | 29 | 2.28 | 8 | 6 | 9 | 54 | 14 | 0 | 0 | 150.0 | 117 | 45 | 38 | 26 | 126 | 14 | 6 |
| Eric Yardley | Tex | mr | 30 | 5.65 | 2 | 5 | 2 | 41 | 0 | 0 | 0 | 71.2 | 89 | 49 | 45 | 13 | 52 | 18 | 4 |
| Tyler Zuber | Min | mr | 26 | 2.54 | 1 | 0 | 3 | 35 | 0 | 0 | 0 | 46.0 | 29 | 13 | 13 | 16 | 41 | 2 | 2 |
| Secondary |
| Name | Team | P | Age | SB | CS | IW | HBP | WP | BK | SH | SF | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | WHIP |
| Albert Abreu | Bal | sp | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 4.8 | 14.3 | 7.9 | 0.0 | 1.7 | 1.59 |
| Bryan Abreu | Oak | sp | 24 | 1 | 0 | 0 | 6 | 11 | 0 | 0 | 1 | 8.6 | 6.0 | 15.2 | 11.0 | 1.3 | 1.8 | 1.61 |
| Dario Agrazal | Tex | sp | 26 | 5 | 5 | 0 | 7 | 6 | 1 | 1 | 3 | 12.0 | 1.3 | 13.8 | 5.6 | 1.5 | 4.1 | 1.48 |
| Keegan Akin* | LAA | sp | 26 | 0 | 2 | 1 | 2 | 4 | 1 | 0 | 1 | 9.1 | 4.9 | 14.3 | 8.6 | 1.7 | 1.8 | 1.56 |
| Scott Alexander* | Mtl | mr | 31 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 9.1 | 3.7 | 13.0 | 6.0 | 0.4 | 1.6 | 1.42 |
| Tyler John Alexander* | NYY | sp | 29 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8.1 | 1.4 | 9.5 | 7.4 | 1.6 | 5.3 | 1.05 |
| Yency Almonte | Bos | mr | 27 | 4 | 2 | 1 | 2 | 3 | 0 | 0 | 2 | 7.2 | 3.6 | 11.1 | 8.2 | 0.5 | 2.3 | 1.21 |
| Dan Altavilla | Cle | mr | 28 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 9.8 | 2.3 | 12.1 | 13.8 | 1.7 | 6.0 | 1.34 |
| Jose Alvarado* | Det | mr | 26 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 5.1 | 6.5 | 11.6 | 12.2 | 0.2 | 1.9 | 1.29 |
| Jose Alvarez* | Bos | mr | 32 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 6.9 | 1.8 | 9.0 | 10.3 | 0.2 | 5.7 | 0.96 |
| Adbert Alzolay | Tex | sp | 26 | 1 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 10.1 | 5.1 | 15.7 | 8.9 | 2.2 | 1.7 | 1.69 |
| Brett Anderson* | Mtl | sp | 33 | 1 | 1 | 0 | 5 | 5 | 0 | 0 | 4 | 9.0 | 3.1 | 12.4 | 5.9 | 1.3 | 1.9 | 1.33 |
| Tejay Antone | KCR | sp | 27 | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 2 | 10.1 | 2.5 | 12.9 | 7.2 | 1.8 | 2.8 | 1.41 |
| Luis Avilan* | Tor | mr | 31 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 11.7 | 3.6 | 15.3 | 6.6 | 0.7 | 1.8 | 1.70 |
| Michel Baez | Was | mr | 25 | 1 | 1 | 0 | 3 | 1 | 0 | 1 | 1 | 7.0 | 4.5 | 12.1 | 7.0 | 1.5 | 1.6 | 1.29 |
| Pedro Baez | NYY | mr | 33 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 4 | 8.5 | 3.4 | 12.6 | 9.2 | 1.2 | 2.7 | 1.32 |
| Scott Barlow | LAA | mr | 28 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 8.0 | 4.5 | 12.6 | 9.7 | 1.3 | 2.1 | 1.39 |
| Matt Barnes | ChW | mr | 31 | 6 | 2 | 1 | 4 | 10 | 0 | 0 | 0 | 6.8 | 5.2 | 12.7 | 13.3 | 1.4 | 2.5 | 1.34 |
| Jaime Barria | Was | sp | 24 | 6 | 1 | 0 | 7 | 0 | 0 | 0 | 2 | 8.9 | 1.9 | 11.2 | 6.6 | 1.6 | 3.5 | 1.20 |
| Chris Bassitt | ChW | sp | 32 | 8 | 5 | 0 | 11 | 2 | 0 | 0 | 1 | 8.8 | 2.4 | 11.9 | 8.5 | 0.9 | 3.6 | 1.25 |
| David Bednar | Min | mr | 26 | 2 | 1 | 0 | 4 | 6 | 0 | 0 | 4 | 7.1 | 3.6 | 11.3 | 12.0 | 0.4 | 3.3 | 1.19 |
| Jalen Beeks* | Det | mr | 27 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 8.2 | 5.1 | 14.3 | 6.6 | 1.5 | 1.3 | 1.47 |
| Chad Bettis | Bos | mr | 32 | 0 | 4 | 0 | 10 | 5 | 1 | 0 | 3 | 10.0 | 2.7 | 13.5 | 5.6 | 1.8 | 2.1 | 1.40 |
| Joe Biagini | Tor | mr | 31 | 2 | 2 | 0 | 2 | 6 | 0 | 0 | 1 | 8.8 | 2.5 | 11.6 | 9.3 | 1.9 | 3.7 | 1.26 |
| Brandon Bielak | Bal | sp | 25 | 8 | 1 | 0 | 6 | 11 | 1 | 0 | 2 | 8.3 | 2.9 | 11.8 | 7.7 | 1.2 | 2.7 | 1.24 |
| Ty Blach* | Bos | sp | 30 | 2 | 3 | 3 | 5 | 5 | 0 | 0 | 3 | 10.3 | 2.1 | 12.8 | 5.2 | 1.0 | 2.5 | 1.38 |
| Paul Blackburn | Mtl | sp | 27 | 8 | 1 | 1 | 3 | 4 | 1 | 0 | 1 | 10.7 | 2.0 | 13.2 | 5.4 | 1.3 | 2.7 | 1.41 |
| Richard Bleier* | ChW | mr | 34 | 2 | 0 | 1 | 3 | 2 | 0 | 1 | 2 | 7.9 | 0.9 | 9.4 | 4.9 | 0.7 | 5.6 | 0.98 |
| Matthew Bowman | ChW | mr | 30 | 2 | 1 | 0 | 3 | 1 | 0 | 1 | 3 | 7.9 | 3.0 | 11.4 | 8.6 | 1.2 | 2.8 | 1.22 |
| Brad Brach | Oak | mr | 35 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 3 | 8.8 | 3.0 | 12.1 | 11.4 | 2.0 | 3.8 | 1.30 |
| Archie Bradley | Bal | mr | 28 | 2 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 6.9 | 3.3 | 10.8 | 10.3 | 0.7 | 3.1 | 1.14 |
| John Brebbia | Bal | mr | 31 | 2 | 1 | 1 | 4 | 1 | 0 | 0 | 0 | 8.2 | 2.7 | 11.4 | 10.3 | 1.4 | 3.8 | 1.20 |
| Colten Brewer | Mtl | mr | 28 | 4 | 0 | 1 | 3 | 11 | 0 | 0 | 2 | 8.5 | 2.6 | 11.5 | 8.4 | 0.7 | 3.3 | 1.24 |
| Zack Britton* | Min | mr | 33 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.9 | 3.7 | 8.6 | 6.1 | 0.0 | 1.7 | 0.95 |
| Connor Brogdon | Tex | mr | 26 | 1 | 1 | 0 | 6 | 6 | 0 | 0 | 3 | 6.9 | 5.7 | 13.4 | 12.6 | 0.8 | 2.2 | 1.40 |
| JT Brubaker | KCR | sp | 27 | 2 | 2 | 1 | 3 | 3 | 0 | 0 | 2 | 6.8 | 3.6 | 11.2 | 6.0 | 1.6 | 1.6 | 1.15 |
| Madison Bumgarner* | Mtl | sp | 31 | 7 | 6 | 0 | 4 | 2 | 0 | 0 | 0 | 8.0 | 2.6 | 10.8 | 8.6 | 1.5 | 3.3 | 1.18 |
| Aaron Bummer* | Sea | mr | 27 | 1 | 1 | 0 | 2 | 4 | 1 | 0 | 1 | 6.8 | 4.4 | 11.6 | 8.2 | 0.4 | 1.9 | 1.24 |
| Dylan Bundy | NYY | sp | 28 | 1 | 2 | 0 | 5 | 1 | 2 | 0 | 1 | 8.5 | 2.3 | 11.1 | 8.5 | 1.7 | 3.7 | 1.20 |
| Corbin Burnes | Was | mr | 26 | 2 | 1 | 0 | 2 | 5 | 0 | 0 | 2 | 7.9 | 3.3 | 11.4 | 10.0 | 0.8 | 3.1 | 1.25 |
| Ty Buttrey | Tor | mr | 28 | 3 | 1 | 2 | 4 | 9 | 0 | 0 | 3 | 8.4 | 3.2 | 12.0 | 9.1 | 0.7 | 2.9 | 1.29 |
| Genesis Cabrera* | Tor | sp | 24 | 3 | 1 | 1 | 3 | 1 | 0 | 0 | 5 | 9.6 | 4.9 | 14.8 | 9.2 | 1.3 | 1.9 | 1.61 |
| Griffin Canning | Sea | sp | 25 | 5 | 2 | 0 | 5 | 6 | 0 | 0 | 3 | 11.2 | 4.0 | 16.9 | 8.3 | 1.1 | 2.1 | 1.68 |
| Daniel Castano* | Det | sp | 26 | 1 | 3 | 0 | 4 | 9 | 0 | 0 | 1 | 10.3 | 4.7 | 15.5 | 7.0 | 1.0 | 1.5 | 1.67 |
| Diego Castillo | Min | mr | 27 | 0 | 1 | 1 | 2 | 5 | 0 | 0 | 4 | 7.0 | 2.9 | 10.1 | 10.9 | 1.2 | 3.8 | 1.09 |
| Jose Castillo* | NYY | mr | 25 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 8.5 | 2.1 | 10.8 | 11.7 | 1.7 | 5.6 | 1.18 |
| Luis Cessa | NYY | mr | 29 | 7 | 2 | 0 | 3 | 3 | 0 | 0 | 3 | 9.1 | 2.3 | 11.8 | 9.5 | 1.6 | 4.1 | 1.27 |
| Tyler Chatwood | ChW | mr | 31 | 2 | 0 | 1 | 1 | 5 | 0 | 0 | 5 | 9.6 | 5.0 | 14.8 | 6.7 | 1.3 | 1.3 | 1.63 |
| Jesse Chavez | Tex | mr | 37 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8.5 | 4.4 | 13.0 | 7.9 | 1.0 | 1.8 | 1.44 |
| Steve Cishek | Oak | mr | 35 | 2 | 0 | 0 | 3 | 2 | 1 | 0 | 1 | 6.1 | 4.6 | 11.3 | 11.1 | 0.9 | 2.4 | 1.19 |
| Jose Cisnero | NYY | mr | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.4 | 7.7 | 23.1 | 11.6 | 3.9 | 1.5 | 2.57 |
| Taylor Clarke | Bos | sp | 28 | 10 | 2 | 0 | 12 | 4 | 0 | 0 | 3 | 9.5 | 3.4 | 13.8 | 7.8 | 1.2 | 2.3 | 1.43 |
| Emmanuel Clase | Det | mr | 23 | 5 | 1 | 1 | 3 | 3 | 0 | 0 | 1 | 9.2 | 1.3 | 10.9 | 9.1 | 0.4 | 7.1 | 1.17 |
| Alex Claudio* | Cle | rp | 29 | 1 | 1 | 1 | 2 | 0 | 1 | 0 | 1 | 8.3 | 2.6 | 11.2 | 5.9 | 0.7 | 2.3 | 1.21 |
| Garrett Cleavinger* | Cle | mr | 27 | 1 | 0 | 3 | 4 | 5 | 0 | 0 | 1 | 5.7 | 8.0 | 14.4 | 13.5 | 1.1 | 1.7 | 1.52 |
| Tyler Clippard | Sea | mr | 36 | 4 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 7.8 | 4.2 | 13.1 | 10.3 | 1.9 | 2.5 | 1.33 |
| Gerrit Cole | Oak | sp | 30 | 20 | 6 | 0 | 8 | 5 | 0 | 0 | 2 | 6.4 | 2.2 | 8.9 | 12.3 | 1.1 | 5.5 | 0.95 |
| Adam Conley* | Was | mr | 31 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 7.4 | 1.2 | 9.8 | 4.9 | 2.5 | 4.0 | 0.95 |
| Sam Coonrod | Oak | mr | 28 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 6.3 | 3.4 | 9.7 | 8.4 | 0.4 | 2.5 | 1.08 |
| Jimmy Cordero | Mtl | mr | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0.0 | 8.3 | 6.2 | 0.0 | 99.0 | 0.92 |
| Jharel Cotton | Oak | sp | 29 | 5 | 2 | 0 | 3 | 4 | 0 | 0 | 5 | 8.1 | 3.6 | 12.1 | 7.8 | 1.4 | 2.2 | 1.30 |
| Kyle Crick | Oak | mr | 28 | 3 | 2 | 0 | 4 | 4 | 0 | 0 | 1 | 6.5 | 6.5 | 13.9 | 10.0 | 1.5 | 1.5 | 1.45 |
| Tucker Davidson* | Cle | sp | 25 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 1 | 10.3 | 5.1 | 15.7 | 8.7 | 1.0 | 1.7 | 1.71 |
| Zach Davies | KCR | sp | 28 | 4 | 3 | 0 | 4 | 3 | 1 | 0 | 2 | 8.7 | 2.4 | 11.4 | 6.0 | 1.3 | 2.5 | 1.24 |
| Grant Dayton* | LAA | mr | 33 | 3 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 7.9 | 4.0 | 12.3 | 11.4 | 1.9 | 2.9 | 1.32 |
| Jose De Leon | Tor | sp | 28 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 10.2 | 3.7 | 13.8 | 9.2 | 2.3 | 2.5 | 1.54 |
| Chris Devenski | Sea | mr | 30 | 3 | 0 | 0 | 3 | 2 | 0 | 0 | 1 | 7.4 | 1.6 | 9.4 | 9.0 | 1.9 | 5.5 | 1.00 |
| Edwin Diaz | Oak | cl | 27 | 4 | 0 | 1 | 6 | 5 | 1 | 2 | 0 | 6.5 | 3.2 | 10.6 | 13.1 | 1.5 | 4.0 | 1.08 |
| Phillip Diehl* | ChW | mr | 26 | 3 | 2 | 1 | 1 | 2 | 0 | 0 | 3 | 7.1 | 2.9 | 10.1 | 9.5 | 1.4 | 3.3 | 1.11 |
| Randy Dobnak | Mtl | sp | 26 | 3 | 1 | 0 | 7 | 3 | 1 | 0 | 4 | 9.5 | 1.8 | 11.8 | 6.0 | 1.4 | 3.3 | 1.26 |
| Danny Duffy* | Det | sp | 32 | 3 | 2 | 2 | 6 | 4 | 1 | 0 | 3 | 7.7 | 2.5 | 10.6 | 8.3 | 1.2 | 3.3 | 1.14 |
| Justin Dunn | Sea | sp | 25 | 4 | 4 | 0 | 7 | 7 | 0 | 0 | 3 | 8.7 | 3.3 | 12.6 | 8.1 | 1.1 | 2.4 | 1.34 |
| Dane Dunning | Bal | sp | 26 | 5 | 2 | 0 | 3 | 3 | 0 | 0 | 3 | 10.6 | 3.4 | 14.6 | 6.8 | 1.6 | 2.0 | 1.56 |
| Jon Duplantier | Was | sp | 26 | 5 | 1 | 0 | 6 | 8 | 1 | 0 | 3 | 9.9 | 4.8 | 15.3 | 9.0 | 1.3 | 1.9 | 1.64 |
| Sam Dyson | Mtl | mr | 33 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 14.2 | 3.4 | 18.2 | 7.4 | 2.7 | 2.2 | 1.95 |
| Zach Eflin | Was | sp | 27 | 4 | 9 | 0 | 7 | 3 | 0 | 0 | 6 | 9.9 | 3.4 | 13.8 | 6.7 | 1.6 | 1.9 | 1.48 |
| Jerad Eickhoff | Oak | sp | 30 | 9 | 2 | 0 | 2 | 1 | 0 | 0 | 3 | 14.0 | 4.4 | 18.8 | 6.2 | 2.2 | 1.4 | 2.04 |
| Robbie Erlin* | Tex | mr | 30 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 8.1 | 1.2 | 9.3 | 7.1 | 0.9 | 5.8 | 1.03 |
| Demarcus Evans | KCR | mr | 24 | 2 | 0 | 0 | 3 | 4 | 0 | 0 | 2 | 7.2 | 6.2 | 13.8 | 11.1 | 1.0 | 1.8 | 1.48 |
| Alex Faedo | Tex | sp | 25 | 2 | 3 | 0 | 2 | 6 | 0 | 0 | 3 | 10.4 | 2.4 | 13.0 | 8.3 | 1.9 | 3.4 | 1.42 |
| Peter Fairbanks | ChW | mr | 27 | 1 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 9.1 | 3.2 | 12.4 | 11.4 | 1.2 | 3.5 | 1.36 |
| Buck Farmer | Was | mr | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8.7 | 3.1 | 12.1 | 7.6 | 1.4 | 2.5 | 1.31 |
| Michael Feliz | Mtl | mr | 28 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 1 | 9.1 | 4.9 | 15.0 | 9.4 | 2.0 | 1.9 | 1.55 |
| J.P. Feyereisen | Min | mr | 28 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 6.4 | 4.3 | 11.0 | 11.9 | 1.5 | 2.8 | 1.19 |
| Mike Fiers | KCR | sp | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.0 | 0.9 | 14.9 | 9.3 | 2.8 | 10.0 | 1.66 |
| Jack Flaherty | NYY | sp | 25 | 6 | 2 | 0 | 10 | 7 | 0 | 0 | 8 | 8.2 | 2.4 | 11.0 | 10.5 | 1.8 | 4.4 | 1.18 |
| Josh Fleming* | Mtl | sp | 25 | 3 | 1 | 0 | 2 | 5 | 0 | 1 | 3 | 9.2 | 2.6 | 12.0 | 7.1 | 1.3 | 2.7 | 1.31 |
| Dylan Floro | NYY | mr | 30 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 9.6 | 1.7 | 11.3 | 4.8 | 1.4 | 2.8 | 1.25 |
| Mike Foltynewicz | Bal | sp | 29 | 3 | 2 | 0 | 5 | 4 | 0 | 0 | 2 | 7.5 | 3.0 | 10.9 | 7.8 | 1.2 | 2.6 | 1.17 |
| Matt Foster | LAA | mr | 26 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 8.2 | 1.4 | 9.6 | 8.6 | 1.0 | 6.1 | 1.07 |
| Kyle Freeland* | Tor | sp | 28 | 1 | 0 | 0 | 8 | 1 | 2 | 1 | 7 | 6.5 | 2.8 | 9.7 | 6.4 | 0.7 | 2.3 | 1.04 |
| Max Fried* | KCR | sp | 27 | 3 | 1 | 3 | 4 | 15 | 0 | 0 | 2 | 8.5 | 3.8 | 12.5 | 8.4 | 1.0 | 2.2 | 1.37 |
| Jace Fry* | Tor | mr | 27 | 0 | 1 | 1 | 0 | 6 | 1 | 0 | 1 | 5.3 | 4.3 | 9.5 | 13.0 | 0.8 | 3.0 | 1.06 |
| Paul Fry* | LAA | mr | 28 | 2 | 1 | 0 | 3 | 9 | 0 | 1 | 3 | 5.7 | 4.4 | 10.6 | 9.4 | 0.9 | 2.1 | 1.13 |
| Michael Fulmer | Det | sp | 28 | 0 | 1 | 0 | 7 | 1 | 0 | 0 | 4 | 8.7 | 2.4 | 11.6 | 6.7 | 1.5 | 2.8 | 1.23 |
| Zac Gallen | Min | sp | 25 | 5 | 4 | 0 | 6 | 7 | 0 | 1 | 4 | 7.5 | 3.0 | 10.7 | 11.5 | 1.3 | 3.9 | 1.16 |
| John Gant | KCR | mr | 28 | 6 | 1 | 0 | 5 | 2 | 2 | 0 | 6 | 10.1 | 3.8 | 14.4 | 7.7 | 1.7 | 2.0 | 1.55 |
| Edgar Garcia | Was | mr | 24 | 6 | 0 | 1 | 2 | 3 | 0 | 0 | 3 | 9.0 | 4.5 | 13.8 | 10.9 | 2.0 | 2.5 | 1.50 |
| Rico Garcia | Mtl | sp | 27 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 10.8 | 3.0 | 14.4 | 8.4 | 1.8 | 2.8 | 1.53 |
| Sam Gaviglio | Was | mr | 31 | 3 | 5 | 0 | 2 | 2 | 0 | 0 | 0 | 8.2 | 1.2 | 9.7 | 8.2 | 1.4 | 6.7 | 1.05 |
| Joey Gerber | Was | mr | 24 | 2 | 0 | 1 | 1 | 11 | 0 | 0 | 0 | 7.7 | 6.2 | 14.1 | 9.3 | 1.4 | 1.5 | 1.54 |
| Domingo German | Bal | sp | 28 | 5 | 2 | 0 | 11 | 8 | 0 | 0 | 4 | 9.2 | 2.6 | 12.7 | 9.9 | 2.0 | 3.9 | 1.30 |
| Ken Giles | Sea | cl | 30 | 2 | 0 | 1 | 2 | 5 | 0 | 0 | 0 | 7.7 | 3.6 | 11.8 | 10.7 | 1.7 | 2.9 | 1.26 |
| Lucas Giolito | ChW | sp | 26 | 4 | 6 | 0 | 3 | 5 | 1 | 0 | 2 | 7.7 | 2.8 | 10.7 | 11.1 | 1.5 | 4.0 | 1.17 |
| Austin Gomber* | Tex | sp | 27 | 4 | 0 | 1 | 4 | 4 | 1 | 0 | 3 | 7.8 | 3.6 | 11.8 | 7.8 | 1.7 | 2.2 | 1.27 |
| Stephen Gonsalves* | Min | sp | 26 | 1 | 3 | 1 | 2 | 3 | 0 | 0 | 0 | 8.3 | 5.5 | 14.0 | 11.4 | 1.1 | 2.1 | 1.53 |
| Marco Gonzales* | Sea | sp | 29 | 5 | 4 | 1 | 7 | 3 | 1 | 0 | 3 | 9.4 | 2.2 | 12.0 | 7.7 | 1.4 | 3.5 | 1.29 |
| Brusdar Graterol | Bos | mr | 22 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 3 | 7.0 | 4.1 | 11.2 | 8.6 | 1.0 | 2.1 | 1.24 |
| Chad Green | NYY | mr | 30 | 6 | 2 | 0 | 4 | 1 | 0 | 0 | 0 | 6.6 | 2.1 | 9.3 | 11.3 | 1.0 | 5.5 | 0.96 |
| Justin Grimm | Tor | mr | 32 | 1 | 0 | 1 | 1 | 5 | 0 | 0 | 1 | 6.2 | 5.5 | 12.0 | 10.2 | 1.5 | 1.9 | 1.30 |
| Robert Gsellman | Cle | rp | 27 | 2 | 2 | 0 | 4 | 7 | 2 | 0 | 3 | 10.0 | 2.3 | 12.7 | 6.4 | 0.9 | 2.8 | 1.36 |
| Javy A. Guerra | Bal | mr | 25 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 15.2 | 4.7 | 20.4 | 5.7 | 3.3 | 1.2 | 2.21 |
| Junior Guerra | Oak | mr | 36 | 2 | 2 | 0 | 2 | 3 | 0 | 0 | 2 | 8.0 | 2.4 | 10.8 | 8.6 | 1.0 | 3.5 | 1.16 |
| Josh Hader* | NYY | cl | 27 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 1 | 6.9 | 2.8 | 10.2 | 17.6 | 1.5 | 6.2 | 1.09 |
| Cole Hamels* | Oak | sp | 37 | 9 | 3 | 0 | 5 | 3 | 0 | 0 | 3 | 8.7 | 3.2 | 12.2 | 7.4 | 1.4 | 2.3 | 1.33 |
| Ian Hamilton | Tex | mr | 26 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 8.9 | 2.6 | 11.8 | 7.0 | 2.2 | 2.7 | 1.27 |
| Brad Hand* | Oak | cl | 31 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 1 | 6.8 | 1.4 | 8.6 | 11.7 | 1.5 | 8.4 | 0.91 |
| J.A. Happ* | Det | sp | 38 | 5 | 4 | 2 | 3 | 2 | 0 | 0 | 1 | 7.8 | 2.8 | 10.7 | 8.9 | 0.6 | 3.2 | 1.17 |
| Ryne Harper | Bal | mr | 32 | 4 | 3 | 0 | 1 | 2 | 0 | 0 | 2 | 7.4 | 2.9 | 10.5 | 9.0 | 1.3 | 3.1 | 1.15 |
| Hunter Harvey | LAA | mr | 26 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 9.1 | 3.4 | 12.9 | 7.0 | 1.8 | 2.1 | 1.39 |
| Taylor Hearn* | LAA | sp | 26 | 2 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 6.9 | 5.0 | 12.3 | 10.9 | 2.1 | 2.2 | 1.32 |
| Ryan Helsley | LAA | mr | 26 | 2 | 0 | 0 | 2 | 6 | 0 | 0 | 2 | 12.5 | 6.9 | 19.8 | 8.8 | 1.6 | 1.3 | 2.15 |
| Kyle Hendricks | Cle | sp | 31 | 6 | 4 | 4 | 8 | 0 | 1 | 0 | 5 | 7.1 | 2.0 | 9.6 | 7.3 | 1.1 | 3.6 | 1.02 |
| Darwinzon Hernandez* | NYY | mr | 24 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 6.1 | 8.6 | 14.7 | 12.9 | 0.0 | 1.5 | 1.64 |
| Elieser Hernandez | KCR | sp | 26 | 2 | 1 | 0 | 8 | 4 | 1 | 0 | 2 | 7.5 | 3.3 | 11.7 | 8.2 | 1.5 | 2.5 | 1.20 |
| Felix Hernandez | Sea | sp | 35 | 3 | 1 | 0 | 2 | 1 | 0 | 0 | 2 | 12.4 | 3.3 | 15.9 | 6.3 | 1.3 | 2.0 | 1.73 |
| Jonathan Hernandez | Cle | mr | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 3.9 | 11.6 | 9.6 | 1.9 | 2.5 | 1.29 |
| Codi Heuer | Det | mr | 24 | 4 | 3 | 0 | 2 | 20 | 1 | 0 | 2 | 8.4 | 2.8 | 11.5 | 8.4 | 0.8 | 3.1 | 1.24 |
| Trevor Hildenberger | Tex | mr | 30 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 12.9 | 2.3 | 15.3 | 11.7 | 2.3 | 5.0 | 1.70 |
| Rich Hill* | Bal | sp | 41 | 8 | 1 | 0 | 7 | 1 | 1 | 0 | 3 | 7.1 | 2.8 | 10.5 | 11.1 | 1.7 | 4.0 | 1.10 |
| Jeff Hoffman | Tex | sp | 28 | 4 | 4 | 0 | 6 | 3 | 0 | 0 | 4 | 8.6 | 3.8 | 13.0 | 8.4 | 1.3 | 2.2 | 1.38 |
| Greg Holland | Bos | cl | 35 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 9.8 | 5.7 | 15.5 | 8.1 | 1.2 | 1.4 | 1.73 |
| Clay Holmes | LAA | mr | 28 | 2 | 0 | 0 | 9 | 7 | 0 | 0 | 1 | 9.4 | 5.5 | 16.2 | 9.4 | 1.7 | 1.7 | 1.66 |
| Brent Honeywell | Cle | sp | 26 | 8 | 4 | 0 | 7 | 2 | 0 | 0 | 5 | 11.1 | 3.3 | 15.2 | 7.1 | 1.8 | 2.1 | 1.59 |
| Tanner Houck | LAA | sp | 25 | 5 | 0 | 0 | 7 | 11 | 0 | 0 | 1 | 10.2 | 3.7 | 14.6 | 8.6 | 2.2 | 2.3 | 1.54 |
| Dakota Hudson | KCR | sp | 26 | 6 | 2 | 0 | 5 | 7 | 0 | 0 | 8 | 10.1 | 4.9 | 15.2 | 6.1 | 1.1 | 1.3 | 1.66 |
| Jared Hughes | ChW | mr | 35 | 3 | 0 | 2 | 1 | 4 | 2 | 0 | 0 | 9.5 | 3.5 | 13.2 | 8.6 | 1.1 | 2.5 | 1.45 |
| Luke Jackson | Bos | cl | 29 | 4 | 3 | 1 | 6 | 12 | 0 | 0 | 2 | 8.2 | 3.1 | 11.9 | 11.5 | 0.9 | 3.7 | 1.25 |
| Josh James | Mtl | mr | 28 | 6 | 2 | 2 | 4 | 10 | 0 | 1 | 2 | 7.7 | 3.5 | 11.6 | 11.5 | 1.3 | 3.3 | 1.24 |
| Cristian Javier | NYY | sp | 24 | 4 | 4 | 0 | 3 | 4 | 0 | 0 | 1 | 7.0 | 4.1 | 11.3 | 11.7 | 1.3 | 2.9 | 1.23 |
| Dany Jimenez | Tex | mr | 27 | 4 | 1 | 2 | 1 | 7 | 0 | 0 | 1 | 8.6 | 3.4 | 12.2 | 8.5 | 1.4 | 2.5 | 1.34 |
| Joe Jimenez | Cle | cl | 26 | 0 | 2 | 0 | 0 | 1 | 2 | 0 | 1 | 7.8 | 2.4 | 10.2 | 10.2 | 0.7 | 4.2 | 1.14 |
| Jakob Junis | LAA | sp | 28 | 9 | 4 | 0 | 10 | 3 | 1 | 0 | 6 | 12.5 | 2.3 | 15.4 | 9.1 | 2.0 | 4.0 | 1.65 |
| Tommy Kahnle | Mtl | mr | 31 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 5.8 | 3.4 | 9.2 | 13.2 | 1.2 | 3.9 | 1.02 |
| Rob Kaminsky* | Was | mr | 26 | 0 | 0 | 3 | 1 | 15 | 0 | 0 | 3 | 9.9 | 7.5 | 17.6 | 7.3 | 0.9 | 1.0 | 1.94 |
| Keone Kela | LAA | mr | 28 | 1 | 0 | 0 | 2 | 4 | 1 | 0 | 0 | 8.0 | 3.5 | 12.0 | 12.5 | 2.8 | 3.6 | 1.28 |
| Brad Keller | Cle | sp | 25 | 5 | 5 | 1 | 5 | 8 | 0 | 0 | 11 | 7.8 | 3.2 | 11.3 | 5.7 | 0.9 | 1.8 | 1.22 |
| Mitch Keller | Cle | sp | 25 | 2 | 2 | 0 | 5 | 4 | 0 | 0 | 4 | 9.1 | 5.1 | 14.6 | 8.3 | 1.4 | 1.6 | 1.57 |
| Ian Kennedy | LAA | cl | 36 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 11.4 | 3.3 | 14.7 | 8.1 | 3.8 | 2.4 | 1.63 |
| Dallas Keuchel* | LAA | sp | 33 | 4 | 4 | 1 | 0 | 3 | 1 | 0 | 1 | 7.7 | 2.8 | 10.4 | 7.6 | 1.0 | 2.7 | 1.16 |
| Michael King | Tex | sp | 26 | 3 | 5 | 0 | 6 | 4 | 0 | 0 | 0 | 11.0 | 2.3 | 14.0 | 6.3 | 2.0 | 2.7 | 1.48 |
| Adam Kolarek* |   | mr | 32 | 1 | 1 | 0 | 3 | 3 | 0 | 0 | 0 | 8.3 | 2.8 | 11.6 | 6.5 | 0.4 | 2.3 | 1.24 |
| Chad Kuhl | Was | sp | 28 | 7 | 2 | 0 | 2 | 5 | 2 | 0 | 3 | 9.5 | 3.1 | 12.8 | 7.0 | 1.2 | 2.2 | 1.41 |
| Peter Lambert | Tor | sp | 24 | 5 | 1 | 1 | 7 | 8 | 0 | 0 | 3 | 10.4 | 2.3 | 13.2 | 4.8 | 1.6 | 2.1 | 1.41 |
| Dinelson Lamet | NYY | sp | 28 | 9 | 1 | 0 | 6 | 10 | 0 | 0 | 4 | 7.6 | 5.3 | 13.4 | 11.1 | 1.0 | 2.1 | 1.44 |
| Eric Lauer* | Min | sp | 26 | 4 | 8 | 0 | 7 | 3 | 1 | 0 | 7 | 8.4 | 3.0 | 11.9 | 9.1 | 1.8 | 3.0 | 1.28 |
| Mike Leake | Sea | sp | 33 | 11 | 6 | 1 | 14 | 3 | 2 | 0 | 5 | 11.7 | 1.8 | 14.3 | 5.5 | 1.3 | 3.0 | 1.50 |
| Jose Leclerc | Det | cl | 27 | 4 | 1 | 0 | 3 | 1 | 0 | 0 | 1 | 5.2 | 2.6 | 8.2 | 11.8 | 0.4 | 4.6 | 0.87 |
| Jon Lester* | ChW | sp | 37 | 20 | 1 | 2 | 2 | 0 | 1 | 0 | 3 | 9.7 | 3.7 | 13.5 | 7.6 | 1.7 | 2.1 | 1.49 |
| Francisco Liriano* | Min | mr | 37 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 3 | 3.5 | 5.0 | 9.3 | 9.0 | 0.8 | 1.8 | 0.94 |
| Zack Littell | Was | mr | 25 | 1 | 0 | 1 | 2 | 3 | 0 | 0 | 1 | 7.8 | 3.8 | 11.8 | 8.6 | 1.3 | 2.2 | 1.29 |
| Walker Lockett | Sea | sp | 27 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 11.1 | 2.1 | 13.7 | 6.9 | 0.9 | 3.2 | 1.48 |
| Pablo Lopez | Mtl | sp | 25 | 7 | 0 | 0 | 12 | 8 | 0 | 1 | 4 | 8.5 | 2.2 | 11.3 | 7.3 | 1.9 | 3.4 | 1.18 |
| Yoan Lopez | Cle | mr | 28 | 0 | 0 | 0 | 3 | 4 | 0 | 0 | 3 | 7.9 | 6.9 | 15.5 | 6.6 | 1.3 | 1.0 | 1.64 |
| Richard Lovelady* | Cle | rp | 25 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 2 | 9.0 | 1.7 | 11.0 | 8.3 | 0.8 | 5.0 | 1.19 |
| Seth Lugo | Bal | mr | 31 | 7 | 0 | 0 | 4 | 2 | 0 | 0 | 1 | 7.0 | 2.6 | 10.0 | 10.9 | 0.7 | 4.2 | 1.06 |
| Jesus Luzardo* | Was | sp | 23 | 2 | 0 | 0 | 3 | 7 | 1 | 1 | 2 | 8.0 | 3.2 | 11.6 | 8.0 | 1.0 | 2.5 | 1.25 |
| Sean Manaea* | Tex | sp | 29 | 3 | 2 | 0 | 5 | 6 | 1 | 0 | 2 | 8.3 | 2.7 | 11.4 | 9.8 | 2.1 | 3.7 | 1.22 |
| Dillon Maples | LAA | mr | 29 | 1 | 1 | 0 | 6 | 5 | 0 | 0 | 1 | 8.7 | 8.2 | 18.1 | 13.5 | 1.1 | 1.7 | 1.88 |
| Nick Margevicius* | Bos | sp | 25 | 3 | 1 | 0 | 3 | 4 | 1 | 0 | 1 | 11.2 | 2.1 | 13.5 | 6.5 | 1.7 | 3.1 | 1.48 |
| Evan Marshall | Min | mr | 31 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 6.0 | 4.4 | 10.7 | 6.0 | 1.2 | 1.4 | 1.15 |
| Carlos Martinez | Det | sp | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.9 | 2.2 | 5.1 | 10.9 | 0.7 | 5.0 | 0.57 |
| Steven Matz* | Tex | sp | 30 | 12 | 4 | 0 | 7 | 0 | 2 | 0 | 6 | 8.8 | 3.1 | 12.4 | 8.0 | 1.6 | 2.6 | 1.33 |
| Mike Mayers | KCR | mr | 29 | 3 | 0 | 0 | 5 | 1 | 0 | 0 | 3 | 9.3 | 3.9 | 13.9 | 9.3 | 1.0 | 2.4 | 1.47 |
| Kevin McCarthy | Was | mr | 29 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1.8 | 7.2 | 4.5 | 1.8 | 2.5 | 0.80 |
| Brendan McKay* | Was | sp | 25 | 3 | 4 | 0 | 6 | 3 | 0 | 0 | 3 | 7.5 | 2.4 | 10.3 | 10.5 | 0.9 | 4.3 | 1.10 |
| Nick Mears | LAA | mr | 24 | 1 | 1 | 0 | 6 | 6 | 2 | 0 | 3 | 8.6 | 3.8 | 13.6 | 9.6 | 1.4 | 2.5 | 1.38 |
| Mark Melancon | NYY | cl | 36 | 0 | 0 | 0 | 3 | 6 | 0 | 0 | 4 | 10.0 | 2.1 | 12.7 | 5.7 | 2.0 | 2.7 | 1.35 |
| Julian Merryweather | Tor | sp | 29 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 1 | 8.8 | 2.1 | 11.6 | 8.1 | 1.8 | 3.8 | 1.21 |
| Keynan Middleton | Cle | mr | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.8 | 16.2 | 27.0 | 16.2 | 2.7 | 1.0 | 3.00 |
| Andrew Miller* | Bal | mr | 36 | 3 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | 7.6 | 3.1 | 11.2 | 11.4 | 1.1 | 3.6 | 1.19 |
| Mike Minor* | NYY | sp | 33 | 5 | 3 | 0 | 5 | 1 | 0 | 0 | 2 | 7.5 | 1.6 | 9.4 | 8.1 | 1.4 | 5.0 | 1.01 |
| A.J. Minter* | NYY | mr | 27 | 2 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 8.7 | 3.5 | 12.9 | 10.3 | 1.6 | 3.0 | 1.35 |
| Rafael Montero | Det | mr | 30 | 4 | 1 | 0 | 3 | 4 | 0 | 1 | 1 | 10.8 | 2.2 | 13.6 | 8.1 | 2.0 | 3.7 | 1.45 |
| Jordan Montgomery* | Bal | sp | 28 | 0 | 3 | 0 | 3 | 8 | 0 | 0 | 5 | 9.3 | 3.2 | 12.7 | 7.3 | 1.2 | 2.3 | 1.39 |
| Adam Morgan* | Bos | mr | 31 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 7.0 | 3.3 | 11.1 | 12.6 | 0.7 | 3.8 | 1.15 |
| Reyes Moronta | Cle | rp | 28 | 2 | 1 | 0 | 1 | 6 | 0 | 0 | 3 | 6.3 | 4.3 | 10.8 | 12.1 | 1.3 | 2.8 | 1.18 |
| Ljay Newsome | KCR | sp | 24 | 2 | 2 | 0 | 4 | 1 | 0 | 0 | 1 | 10.4 | 1.5 | 12.6 | 6.7 | 2.2 | 4.5 | 1.32 |
| Darren O'Day | Min | mr | 38 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8.4 | 4.2 | 13.2 | 12.0 | 1.8 | 2.9 | 1.40 |
| Scott Oberg | ChW | mr | 31 | 4 | 0 | 0 | 1 | 4 | 0 | 1 | 4 | 7.1 | 3.5 | 10.7 | 7.1 | 1.1 | 2.0 | 1.18 |
| Jake Odorizzi | Sea | sp | 31 | 5 | 3 | 0 | 0 | 6 | 1 | 0 | 7 | 8.5 | 2.5 | 11.0 | 8.7 | 1.5 | 3.5 | 1.22 |
| Shohei Ohtani | ChW | dh | 26 | 9 | 4 | 0 | 3 | 7 | 0 | 0 | 0 | 6.5 | 3.3 | 10.1 | 9.4 | 0.6 | 2.9 | 1.09 |
| Roberto Osuna | Tor | cl | 26 | 1 | 0 | 3 | 2 | 1 | 1 | 0 | 1 | 9.0 | 1.0 | 10.2 | 9.2 | 1.0 | 9.0 | 1.11 |
| Dan Otero | Sea | mr | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.4 | 0.0 | 14.4 | 5.4 | 2.7 | 99.0 | 1.60 |
| Adam Ottavino | Oak | mr | 35 | 4 | 0 | 0 | 2 | 4 | 1 | 0 | 3 | 4.5 | 3.7 | 8.6 | 13.7 | 0.3 | 3.7 | 0.92 |
| Johan Oviedo | Tex | sp | 23 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 12.4 | 4.5 | 17.1 | 6.3 | 3.3 | 1.4 | 1.88 |
| Chris Paddack | Min | sp | 25 | 4 | 3 | 0 | 6 | 2 | 0 | 0 | 5 | 8.0 | 1.8 | 10.1 | 9.3 | 1.5 | 5.2 | 1.09 |
| Enoli Paredes | Min | mr | 25 | 4 | 2 | 0 | 2 | 5 | 0 | 0 | 1 | 6.5 | 4.0 | 10.8 | 9.1 | 1.5 | 2.3 | 1.17 |
| Luis Patino | Min | sp | 21 | 1 | 0 | 0 | 3 | 4 | 1 | 0 | 1 | 11.2 | 4.1 | 15.8 | 8.4 | 2.2 | 2.0 | 1.70 |
| James Paxton* | Sea | sp | 32 | 4 | 1 | 0 | 1 | 7 | 1 | 0 | 0 | 8.0 | 2.5 | 10.6 | 10.1 | 1.2 | 4.0 | 1.17 |
| Felix Pena | Bos | sp | 31 | 0 | 1 | 0 | 2 | 5 | 1 | 0 | 3 | 10.3 | 3.0 | 13.5 | 9.1 | 1.7 | 3.1 | 1.47 |
| Wandy Peralta* | KCR | mr | 29 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 8.0 | 1.9 | 10.6 | 8.4 | 3.0 | 4.4 | 1.10 |
| Cionel Perez* | Min | sp | 25 | 2 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 8.7 | 5.1 | 13.8 | 8.8 | 1.5 | 1.7 | 1.53 |
| Martin Perez* | Det | sp | 30 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 11.0 | 1.9 | 12.9 | 8.4 | 1.2 | 4.4 | 1.43 |
| Oliver Perez* | KCR | mr | 39 | 3 | 1 | 0 | 3 | 1 | 0 | 0 | 1 | 6.6 | 1.8 | 9.1 | 9.1 | 0.8 | 5.0 | 0.94 |
| David Phelps | Min | mr | 34 | 2 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 7.4 | 4.4 | 12.0 | 8.1 | 1.2 | 1.8 | 1.31 |
| Michael Pineda | LAA | sp | 32 | 5 | 4 | 0 | 2 | 4 | 0 | 0 | 4 | 10.0 | 1.6 | 11.7 | 9.0 | 1.7 | 5.5 | 1.29 |
| Nick Pivetta | Was | sp | 28 | 1 | 6 | 0 | 4 | 4 | 0 | 0 | 3 | 7.3 | 3.8 | 11.4 | 9.0 | 1.0 | 2.4 | 1.24 |
| Adam Plutko | Tor | sp | 29 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 3 | 10.0 | 2.4 | 13.0 | 7.3 | 1.8 | 3.0 | 1.38 |
| Drew Pomeranz* | Det | mr | 32 | 4 | 1 | 1 | 0 | 3 | 0 | 0 | 4 | 6.1 | 5.2 | 11.3 | 11.4 | 0.5 | 2.2 | 1.25 |
| Rick Porcello | ChW | sp | 32 | 7 | 4 | 2 | 7 | 2 | 1 | 0 | 6 | 9.8 | 2.2 | 12.4 | 7.6 | 1.6 | 3.4 | 1.33 |
| A.J. Puk* | ChW | mr | 26 | 2 | 1 | 0 | 2 | 8 | 0 | 0 | 1 | 10.5 | 5.2 | 15.9 | 10.6 | 1.6 | 2.1 | 1.74 |
| Cal Quantrill | Oak | sp | 26 | 4 | 4 | 0 | 10 | 10 | 0 | 0 | 4 | 9.3 | 3.6 | 13.5 | 7.8 | 1.0 | 2.2 | 1.43 |
| Jose Quintana* | KCR | sp | 32 | 0 | 2 | 0 | 3 | 7 | 1 | 0 | 5 | 9.6 | 3.2 | 13.0 | 7.3 | 1.3 | 2.3 | 1.43 |
| Tanner Rainey | Min | mr | 28 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 7.1 | 6.6 | 13.7 | 14.1 | 2.1 | 2.1 | 1.52 |
| Nick Ramirez* | Bal | mr | 31 | 2 | 2 | 0 | 2 | 10 | 0 | 0 | 1 | 9.8 | 3.4 | 13.5 | 7.6 | 0.9 | 2.2 | 1.47 |
| Drew Rasmussen | Min | sp | 25 | 3 | 1 | 0 | 3 | 7 | 0 | 0 | 4 | 7.2 | 4.1 | 11.7 | 9.1 | 1.0 | 2.2 | 1.26 |
| Robbie Ray* | Min | sp | 29 | 6 | 6 | 1 | 2 | 5 | 0 | 1 | 2 | 6.7 | 3.9 | 10.7 | 12.2 | 1.1 | 3.1 | 1.18 |
| Addison Reed | LAA | mr | 32 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 6.6 | 1.2 | 7.8 | 7.1 | 1.0 | 5.9 | 0.87 |
| Cody Reed* | Det | mr | 28 | 4 | 0 | 1 | 2 | 3 | 0 | 0 | 3 | 7.8 | 4.1 | 12.2 | 10.7 | 0.2 | 2.6 | 1.32 |
| Sean Reid-Foley | Tor | sp | 25 | 4 | 0 | 0 | 5 | 6 | 0 | 0 | 7 | 8.6 | 5.3 | 14.2 | 9.6 | 1.4 | 1.8 | 1.54 |
| Trevor Richards | Mtl | sp | 28 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 8.9 | 3.5 | 12.4 | 9.3 | 2.3 | 2.6 | 1.38 |
| Tanner Roark | Bal | sp | 34 | 10 | 9 | 0 | 8 | 1 | 0 | 0 | 4 | 11.1 | 2.8 | 14.4 | 7.7 | 1.8 | 2.8 | 1.54 |
| Hansel Robles | Bos | cl | 30 | 0 | 1 | 0 | 3 | 2 | 1 | 0 | 2 | 10.1 | 2.2 | 12.7 | 10.5 | 1.4 | 4.8 | 1.36 |
| Eduardo Rodriguez* | Bos | sp | 28 | 3 | 5 | 1 | 5 | 2 | 0 | 0 | 5 | 8.4 | 2.6 | 11.3 | 9.3 | 1.1 | 3.5 | 1.23 |
| Joely Rodriguez* | Tex | mr | 29 | 3 | 2 | 0 | 2 | 6 | 0 | 0 | 1 | 4.8 | 3.2 | 8.4 | 9.5 | 0.8 | 3.0 | 0.89 |
| Richard Rodriguez | Det | mr | 31 | 2 | 1 | 0 | 2 | 6 | 1 | 0 | 3 | 11.4 | 2.7 | 14.4 | 9.1 | 2.1 | 3.3 | 1.57 |
| Taylor Rogers* | Sea | cl | 30 | 2 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 6.6 | 1.8 | 9.2 | 10.3 | 0.4 | 5.6 | 0.94 |
| Trevor Rogers* | Det | sp | 23 | 4 | 3 | 0 | 1 | 8 | 0 | 0 | 1 | 8.1 | 3.4 | 11.5 | 8.1 | 1.3 | 2.4 | 1.27 |
| Tyler Rogers | ChW | mr | 30 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 8.4 | 5.2 | 13.7 | 7.7 | 1.1 | 1.5 | 1.51 |
| Jordan Romano | Tor | mr | 28 | 2 | 0 | 2 | 4 | 3 | 0 | 0 | 3 | 9.7 | 4.2 | 14.4 | 9.7 | 2.3 | 2.3 | 1.55 |
| Sal Romano | Bos | mr | 27 | 1 | 2 | 0 | 1 | 2 | 1 | 1 | 1 | 8.9 | 2.0 | 11.0 | 7.3 | 1.1 | 3.6 | 1.21 |
| Fernando Romero | Was | mr | 26 | 1 | 1 | 0 | 4 | 12 | 1 | 0 | 3 | 8.2 | 2.6 | 11.3 | 8.0 | 1.1 | 3.0 | 1.20 |
| JoJo Romero* | Sea | sp | 24 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 8.0 | 4.2 | 12.2 | 8.4 | 1.1 | 2.0 | 1.35 |
| Sergio Romo | Bos | cl | 38 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 5.3 | 1.8 | 7.2 | 11.0 | 1.4 | 6.3 | 0.78 |
| Randy Rosario* | Cle | mr | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.2 | 5.4 | 21.6 | 10.8 | 5.4 | 2.0 | 2.40 |
| Tyson Ross | NYY | sp | 34 | 4 | 1 | 1 | 3 | 3 | 0 | 1 | 0 | 10.0 | 3.9 | 14.6 | 6.8 | 0.9 | 1.7 | 1.55 |
| Kyle Ryan* | Was | mr | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 7.9 | 15.9 | 9.5 | 0.0 | 1.2 | 1.76 |
| Danny Salazar | Det | sp | 31 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 2 | 9.7 | 3.7 | 13.6 | 9.9 | 2.6 | 2.7 | 1.49 |
| Jeff Samardzija | Sea | sp | 36 | 14 | 3 | 0 | 4 | 5 | 0 | 0 | 5 | 8.7 | 2.5 | 11.5 | 6.9 | 1.5 | 2.7 | 1.25 |
| Tanner Scott* | Oak | mr | 26 | 3 | 2 | 0 | 4 | 9 | 0 | 0 | 1 | 7.0 | 4.9 | 12.4 | 11.3 | 0.3 | 2.3 | 1.31 |
| Paul Sewald | NYY | mr | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 3.2 | 11.1 | 3.2 | 0.0 | 1.0 | 1.24 |
| Sterling Sharp | Tor | sp | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 12.2 | 1.3 | 14.1 | 3.2 | 3.9 | 2.5 | 1.50 |
| Justus Sheffield* | Det | sp | 25 | 6 | 1 | 1 | 9 | 7 | 0 | 0 | 6 | 9.7 | 3.1 | 13.4 | 7.6 | 1.8 | 2.4 | 1.42 |
| Jimmie Sherfy | LAA | mr | 29 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 1 | 8.4 | 3.9 | 12.8 | 11.4 | 1.5 | 2.9 | 1.37 |
| Ryan Sherriff* | Tex | mr | 31 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 2 | 10.5 | 1.6 | 12.3 | 6.5 | 0.2 | 4.1 | 1.34 |
| Devin Smeltzer* | Bos | sp | 25 | 5 | 3 | 4 | 2 | 3 | 0 | 0 | 4 | 8.9 | 2.8 | 11.8 | 8.0 | 1.7 | 2.9 | 1.30 |
| Joe Smith | Bos | mr | 37 | 0 | 1 | 1 | 3 | 2 | 0 | 0 | 4 | 7.9 | 2.9 | 11.4 | 7.5 | 0.9 | 2.6 | 1.20 |
| Josh D. Smith* | Tor | mr | 31 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 10.9 | 5.5 | 16.7 | 7.6 | 0.9 | 1.4 | 1.82 |
| Will M. Smith* | Bal | cl | 31 | 1 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 5.0 | 3.9 | 8.9 | 12.4 | 1.5 | 3.2 | 0.99 |
| Drew Smyly* | Tor | sp | 32 | 1 | 0 | 0 | 1 | 6 | 0 | 0 | 3 | 10.0 | 2.9 | 13.0 | 9.2 | 2.2 | 3.2 | 1.43 |
| Chad Sobotka | NYY | mr | 27 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 2 | 11.4 | 3.6 | 15.6 | 11.4 | 1.6 | 3.1 | 1.67 |
| Gregory Soto* | Was | mr | 26 | 0 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 9.5 | 5.6 | 15.1 | 8.8 | 1.8 | 1.6 | 1.68 |
| Craig Stammen | Sea | mr | 37 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 2 | 8.8 | 1.9 | 10.9 | 8.2 | 0.9 | 4.4 | 1.18 |
| Cody Stashak | Tex | mr | 27 | 2 | 1 | 0 | 2 | 3 | 0 | 0 | 2 | 10.7 | 2.5 | 13.5 | 8.2 | 2.3 | 3.2 | 1.47 |
| Robert Stephenson | Sea | mr | 28 | 1 | 1 | 2 | 1 | 4 | 0 | 0 | 0 | 6.8 | 3.7 | 10.6 | 12.6 | 1.2 | 3.4 | 1.16 |
| Matt Strahm* | Mtl | mr | 29 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 7.9 | 4.2 | 12.3 | 11.0 | 2.2 | 2.6 | 1.34 |
| Cole Sulser | Cle | mr | 31 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 13.0 | 5.0 | 18.0 | 8.0 | 2.0 | 1.6 | 2.00 |
| Trey Supak | Tor | sp | 25 | 6 | 0 | 0 | 2 | 2 | 0 | 0 | 4 | 10.0 | 2.5 | 12.6 | 6.4 | 1.2 | 2.6 | 1.38 |
| Julio Teheran | Bal | sp | 30 | 20 | 4 | 1 | 7 | 4 | 0 | 0 | 5 | 8.7 | 4.6 | 13.7 | 8.0 | 2.0 | 1.7 | 1.47 |
| Trent Thornton | KCR | sp | 27 | 1 | 2 | 0 | 3 | 3 | 0 | 1 | 3 | 10.0 | 2.3 | 12.7 | 7.3 | 0.7 | 3.2 | 1.37 |
| Lewis Thorpe* | Mtl | sp | 25 | 4 | 2 | 5 | 4 | 14 | 0 | 0 | 1 | 6.1 | 3.2 | 9.7 | 9.2 | 0.8 | 2.9 | 1.03 |
| Touki Toussaint | NYY | sp | 25 | 3 | 3 | 0 | 4 | 4 | 0 | 0 | 2 | 8.9 | 4.4 | 13.7 | 8.9 | 1.2 | 2.0 | 1.48 |
| Lou Trivino | Cle | rp | 29 | 7 | 1 | 0 | 4 | 8 | 0 | 0 | 4 | 9.6 | 3.2 | 13.3 | 7.7 | 1.2 | 2.4 | 1.42 |
| Spencer Turnbull | Min | sp | 28 | 6 | 3 | 0 | 4 | 3 | 0 | 0 | 1 | 10.6 | 3.2 | 14.8 | 8.1 | 1.4 | 2.5 | 1.54 |
| Jose Urena | Mtl | mr | 29 | 4 | 0 | 4 | 6 | 5 | 0 | 1 | 1 | 9.3 | 4.7 | 14.9 | 9.0 | 1.6 | 1.9 | 1.56 |
| Julio Urias* | Min | mr | 24 | 2 | 0 | 1 | 4 | 3 | 1 | 0 | 3 | 8.2 | 4.7 | 13.4 | 13.1 | 0.7 | 2.8 | 1.44 |
| Justin Verlander | Cle | sp | 38 | 5 | 2 | 0 | 9 | 2 | 1 | 0 | 5 | 6.9 | 1.9 | 9.2 | 11.5 | 1.6 | 6.0 | 0.98 |
| Nick Vincent | Oak | mr | 34 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9.6 | 1.2 | 10.8 | 7.2 | 1.4 | 6.2 | 1.20 |
| Michael Wacha | Tex | sp | 29 | 2 | 2 | 1 | 1 | 4 | 0 | 0 | 5 | 8.6 | 3.6 | 12.3 | 7.0 | 1.2 | 2.0 | 1.35 |
| Adam Wainwright | Oak | sp | 39 | 3 | 1 | 0 | 7 | 2 | 0 | 0 | 1 | 8.4 | 3.0 | 12.0 | 7.1 | 1.3 | 2.3 | 1.27 |
| Taijuan Walker | Oak | sp | 28 | 6 | 2 | 0 | 5 | 3 | 0 | 0 | 1 | 9.9 | 3.0 | 13.4 | 8.6 | 1.6 | 2.9 | 1.44 |
| Art Warren | Sea | mr | 28 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 7.3 | 4.5 | 11.8 | 11.3 | 1.1 | 2.5 | 1.31 |
| Logan Webb | Det | sp | 24 | 2 | 1 | 0 | 6 | 12 | 0 | 0 | 1 | 9.0 | 3.0 | 12.5 | 7.5 | 1.4 | 2.5 | 1.33 |
| Forrest Whitley | NYY | sp | 23 | 4 | 1 | 0 | 3 | 14 | 0 | 0 | 5 | 7.6 | 3.8 | 11.7 | 11.6 | 1.4 | 3.1 | 1.27 |
| Kodi Whitley | Cle | mr | 26 | 0 | 1 | 2 | 3 | 6 | 0 | 0 | 1 | 7.7 | 4.7 | 12.8 | 8.8 | 0.4 | 1.9 | 1.38 |
| Devin Williams | KCR | mr | 26 | 3 | 4 | 0 | 4 | 5 | 0 | 0 | 4 | 7.8 | 7.4 | 15.7 | 11.1 | 1.0 | 1.5 | 1.70 |
| Trevor Williams | LAA | sp | 29 | 3 | 2 | 0 | 10 | 3 | 0 | 0 | 5 | 8.5 | 2.9 | 11.9 | 7.5 | 1.8 | 2.6 | 1.26 |
| Bryse Wilson | KCR | sp | 23 | 3 | 4 | 0 | 4 | 0 | 0 | 0 | 6 | 9.1 | 2.6 | 12.0 | 7.8 | 1.8 | 3.0 | 1.30 |
| Matt Wisler | Tex | mr | 28 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 9.5 | 1.6 | 11.2 | 7.2 | 2.3 | 4.4 | 1.24 |
| Nick Wittgren | Sea | mr | 30 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 7.6 | 1.2 | 9.1 | 10.8 | 0.6 | 8.6 | 0.99 |
| Alex Wood* | ChW | sp | 30 | 1 | 4 | 0 | 6 | 1 | 0 | 0 | 2 | 8.4 | 2.0 | 10.9 | 8.6 | 1.2 | 4.2 | 1.16 |
| Brandon Woodruff | Cle | sp | 28 | 3 | 0 | 0 | 6 | 1 | 0 | 0 | 2 | 8.1 | 2.8 | 11.2 | 10.1 | 1.2 | 3.7 | 1.20 |
| Shun Yamaguchi | Tor | sp | 33 | 6 | 2 | 1 | 3 | 5 | 1 | 0 | 3 | 7.7 | 4.1 | 12.0 | 8.4 | 1.5 | 2.0 | 1.31 |
| Jordan Yamamoto | Bal | sp | 25 | 3 | 3 | 0 | 10 | 7 | 1 | 0 | 3 | 8.5 | 4.0 | 13.2 | 8.1 | 2.0 | 2.0 | 1.39 |
| Ryan Yarbrough* | Mtl | sp | 29 | 6 | 3 | 1 | 5 | 2 | 1 | 1 | 3 | 7.0 | 1.6 | 8.9 | 7.6 | 0.8 | 4.8 | 0.95 |
| Eric Yardley | Tex | mr | 30 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 11.2 | 1.6 | 13.1 | 6.5 | 2.3 | 4.0 | 1.42 |
| Tyler Zuber | Min | mr | 26 | 2 | 0 | 0 | 3 | 8 | 1 | 0 | 3 | 5.7 | 3.1 | 9.4 | 8.0 | 0.4 | 2.6 | 0.98 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | BABIP | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Albert Abreu | Bal | sp | 25 | .625 | 19 | .316 | 10 | .370 | 10 | .370 | 2.6 | 3.9 | 3.71 | 3.88 |
| Bryan Abreu | Oak | sp | 24 | .813 | 212 | .316 | 201 | .521 | 207 | .536 | 57.8 | 6.3 | 5.64 | 5.41 |
| Dario Agrazal | Tex | sp | 26 | .864 | 481 | .341 | 324 | .523 | 331 | .535 | 98.7 | 6.3 | 5.70 | 5.69 |
| Keegan Akin* | LAA | sp | 26 | .817 | 191 | .293 | 162 | .526 | 164 | .532 | 44.0 | 5.7 | 5.24 | 5.48 |
| Scott Alexander* | Mtl | mr | 31 | .737 | 162 | .309 | 100 | .455 | 101 | .459 | 25.4 | 4.5 | 4.01 | 3.81 |
| Tyler John Alexander* | NYY | sp | 29 | .697 | 109 | .257 | 69 | .448 | 69 | .448 | 16.0 | 3.7 | 3.33 | 3.10 |
| Yency Almonte | Bos | mr | 27 | .607 | 205 | .273 | 115 | .372 | 117 | .379 | 25.5 | 3.0 | 2.77 | 2.82 |
| Dan Altavilla | Cle | mr | 28 | .778 | 37 | .378 | 34 | .500 | 34 | .500 | 9.1 | 5.1 | 4.72 | 4.51 |
| Jose Alvarado* | Det | mr | 26 | .550 | 95 | .253 | 70 | .372 | 70 | .372 | 13.4 | 2.7 | 2.44 | 2.41 |
| Jose Alvarez* | Bos | mr | 32 | .542 | 138 | .297 | 68 | .316 | 70 | .326 | 14.8 | 2.4 | 2.18 | 1.81 |
| Adbert Alzolay | Tex | sp | 26 | .899 | 147 | .313 | 141 | .576 | 144 | .588 | 42.6 | 7.3 | 6.56 | 6.89 |
| Brett Anderson* | Mtl | sp | 33 | .765 | 386 | .277 | 256 | .478 | 261 | .487 | 66.8 | 4.8 | 4.27 | 4.38 |
| Tejay Antone | KCR | sp | 27 | .829 | 192 | .307 | 144 | .522 | 146 | .529 | 39.9 | 5.6 | 5.05 | 5.22 |
| Luis Avilan* | Tor | mr | 31 | .846 | 41 | .366 | 29 | .518 | 29 | .518 | 8.3 | 5.9 | 5.45 | 5.77 |
| Michel Baez | Was | mr | 25 | .697 | 148 | .223 | 102 | .445 | 105 | .459 | 23.9 | 3.9 | 3.61 | 3.96 |
| Pedro Baez | NYY | mr | 33 | .740 | 99 | .303 | 71 | .447 | 74 | .465 | 19.3 | 4.7 | 4.23 | 4.28 |
| Scott Barlow | LAA | mr | 28 | .723 | 166 | .283 | 129 | .467 | 130 | .471 | 33.2 | 4.7 | 4.25 | 4.16 |
| Matt Barnes | ChW | mr | 31 | .695 | 114 | .298 | 109 | .447 | 113 | .463 | 26.8 | 4.3 | 3.84 | 4.14 |
| Jaime Barria | Was | sp | 24 | .739 | 449 | .265 | 289 | .465 | 296 | .476 | 75.7 | 4.5 | 4.14 | 3.94 |
| Chris Bassitt | ChW | sp | 32 | .686 | 382 | .312 | 230 | .403 | 241 | .422 | 60.6 | 4.0 | 3.62 | 3.81 |
| David Bednar | Min | mr | 26 | .612 | 158 | .316 | 104 | .370 | 108 | .384 | 24.8 | 3.3 | 3.00 | 2.81 |
| Jalen Beeks* | Det | mr | 27 | .775 | 48 | .271 | 36 | .474 | 38 | .500 | 8.8 | 4.5 | 4.04 | 5.43 |
| Chad Bettis | Bos | mr | 32 | .846 | 315 | .283 | 228 | .525 | 238 | .548 | 66.0 | 6.0 | 5.48 | 5.34 |
| Joe Biagini | Tor | mr | 31 | .825 | 195 | .297 | 169 | .542 | 171 | .548 | 43.4 | 5.2 | 4.66 | 4.44 |
| Brandon Bielak | Bal | sp | 25 | .716 | 250 | .276 | 164 | .442 | 170 | .458 | 43.3 | 4.4 | 4.00 | 3.86 |
| Ty Blach* | Bos | sp | 30 | .796 | 408 | .314 | 256 | .485 | 261 | .494 | 68.9 | 5.0 | 4.51 | 4.54 |
| Paul Blackburn | Mtl | sp | 27 | .825 | 164 | .317 | 108 | .502 | 111 | .516 | 33.7 | 6.2 | 5.50 | 4.99 |
| Richard Bleier* | ChW | mr | 34 | .616 | 160 | .256 | 71 | .355 | 74 | .370 | 15.8 | 2.8 | 2.52 | 2.43 |
| Matthew Bowman | ChW | mr | 30 | .713 | 162 | .278 | 111 | .444 | 114 | .456 | 27.6 | 4.1 | 3.73 | 3.62 |
| Brad Brach | Oak | mr | 35 | .794 | 118 | .305 | 106 | .510 | 108 | .519 | 29.0 | 5.4 | 4.86 | 4.65 |
| Archie Bradley | Bal | mr | 28 | .620 | 187 | .278 | 120 | .386 | 124 | .399 | 27.8 | 3.3 | 2.99 | 2.81 |
| John Brebbia | Bal | mr | 31 | .728 | 160 | .300 | 122 | .459 | 126 | .474 | 31.4 | 4.5 | 3.97 | 3.79 |
| Colten Brewer | Mtl | mr | 28 | .642 | 185 | .314 | 102 | .372 | 105 | .383 | 26.1 | 3.6 | 3.18 | 3.41 |
| Zack Britton* | Min | mr | 33 | .509 | 19 | .211 | 9 | .333 | 9 | .333 | 1.3 | 1.6 | 1.44 | 1.33 |
| Connor Brogdon | Tex | mr | 26 | .696 | 143 | .301 | 125 | .440 | 131 | .461 | 31.7 | 4.4 | 4.04 | 3.94 |
| JT Brubaker | KCR | sp | 27 | .645 | 104 | .192 | 61 | .407 | 64 | .427 | 14.6 | 3.6 | 3.40 | 3.36 |
| Madison Bumgarner* | Mtl | sp | 31 | .716 | 494 | .267 | 351 | .464 | 355 | .469 | 81.9 | 3.9 | 3.61 | 3.57 |
| Aaron Bummer* | Sea | mr | 27 | .598 | 115 | .261 | 66 | .369 | 68 | .380 | 13.7 | 2.8 | 2.59 | 2.91 |
| Dylan Bundy | NYY | sp | 28 | .739 | 383 | .277 | 275 | .471 | 280 | .479 | 68.3 | 4.3 | 3.93 | 3.97 |
| Corbin Burnes | Was | mr | 26 | .683 | 234 | .308 | 162 | .429 | 164 | .434 | 38.6 | 3.8 | 3.45 | 3.32 |
| Ty Buttrey | Tor | mr | 28 | .667 | 220 | .309 | 135 | .399 | 139 | .411 | 33.5 | 3.7 | 3.42 | 3.50 |
| Genesis Cabrera* | Tor | sp | 24 | .817 | 267 | .322 | 221 | .516 | 224 | .523 | 64.4 | 6.2 | 5.63 | 5.35 |
| Griffin Canning | Sea | sp | 25 | .893 | 76 | .368 | 60 | .508 | 65 | .551 | 20.9 | 7.5 | 6.77 | 6.74 |
| Daniel Castano* | Det | sp | 26 | .816 | 247 | .328 | 181 | .500 | 185 | .511 | 53.2 | 6.1 | 5.50 | 5.77 |
| Diego Castillo | Min | mr | 27 | .643 | 157 | .268 | 110 | .409 | 112 | .416 | 25.2 | 3.4 | 3.09 | 2.86 |
| Jose Castillo* | NYY | mr | 25 | .746 | 123 | .317 | 103 | .484 | 104 | .488 | 25.3 | 4.4 | 3.96 | 3.82 |
| Luis Cessa | NYY | mr | 29 | .795 | 206 | .316 | 164 | .505 | 167 | .514 | 44.4 | 5.2 | 4.61 | 4.34 |
| Tyler Chatwood | ChW | mr | 31 | .833 | 257 | .311 | 200 | .524 | 201 | .526 | 55.5 | 5.8 | 5.22 | 5.58 |
| Jesse Chavez | Tex | mr | 37 | .716 | 74 | .297 | 51 | .451 | 51 | .451 | 12.8 | 4.4 | 3.94 | 4.33 |
| Steve Cishek | Oak | mr | 35 | .607 | 117 | .248 | 83 | .390 | 86 | .404 | 19.6 | 3.5 | 3.15 | 2.95 |
| Jose Cisnero | NYY | mr | 32 | 1.189 | 7 | .429 | 10 | .769 | 10 | .769 | 3.9 | 15.2 | 13.65 | 13.74 |
| Taylor Clarke | Bos | sp | 28 | .773 | 369 | .306 | 258 | .467 | 270 | .489 | 75.2 | 5.4 | 4.92 | 4.92 |
| Emmanuel Clase | Det | mr | 23 | .665 | 181 | .343 | 100 | .385 | 103 | .396 | 25.4 | 3.6 | 3.24 | 3.06 |
| Alex Claudio* | Cle | rp | 29 | .648 | 168 | .280 | 87 | .385 | 89 | .394 | 19.3 | 3.1 | 2.82 | 3.23 |
| Garrett Cleavinger* | Cle | mr | 27 | .655 | 98 | .255 | 97 | .433 | 101 | .451 | 22.6 | 4.1 | 3.75 | 4.20 |
| Tyler Clippard | Sea | mr | 36 | .758 | 81 | .259 | 69 | .479 | 73 | .507 | 19.5 | 5.4 | 4.88 | 4.80 |
| Gerrit Cole | Oak | sp | 30 | .616 | 502 | .273 | 367 | .400 | 375 | .408 | 78.3 | 3.0 | 2.70 | 2.28 |
| Adam Conley* | Was | mr | 31 | .747 | 20 | .200 | 13 | .464 | 14 | .500 | 2.2 | 2.6 | 2.47 | 3.90 |
| Sam Coonrod | Oak | mr | 28 | .599 | 52 | .269 | 31 | .383 | 31 | .383 | 5.3 | 2.2 | 2.00 | 2.28 |
| Jimmy Cordero | Mtl | mr | 29 | .471 | 14 | .286 | 4 | .235 | 4 | .235 | 0.9 | 2.0 | 1.76 | 1.64 |
| Jharel Cotton | Oak | sp | 29 | .766 | 178 | .270 | 133 | .487 | 136 | .498 | 33.8 | 4.7 | 4.23 | 4.12 |
| Kyle Crick | Oak | mr | 28 | .751 | 94 | .245 | 88 | .486 | 92 | .508 | 21.7 | 4.7 | 4.25 | 4.80 |
| Tucker Davidson* | Cle | sp | 25 | .800 | 140 | .343 | 107 | .491 | 109 | .500 | 30.6 | 5.8 | 5.36 | 5.69 |
| Zach Davies | KCR | sp | 28 | .720 | 441 | .268 | 271 | .451 | 275 | .458 | 67.6 | 4.2 | 3.80 | 3.81 |
| Grant Dayton* | LAA | mr | 33 | .751 | 90 | .289 | 80 | .482 | 82 | .494 | 21.0 | 4.9 | 4.40 | 4.46 |
| Jose De Leon | Tor | sp | 28 | .879 | 110 | .309 | 101 | .574 | 101 | .574 | 29.5 | 6.7 | 6.14 | 5.93 |
| Chris Devenski | Sea | mr | 30 | .652 | 174 | .230 | 112 | .416 | 115 | .428 | 25.6 | 3.4 | 3.14 | 3.04 |
| Edwin Diaz | Oak | cl | 27 | .655 | 126 | .270 | 104 | .411 | 110 | .435 | 25.5 | 3.8 | 3.39 | 3.16 |
| Phillip Diehl* | ChW | mr | 26 | .696 | 164 | .256 | 121 | .457 | 122 | .460 | 27.0 | 3.7 | 3.34 | 3.05 |
| Randy Dobnak | Mtl | sp | 26 | .755 | 459 | .288 | 286 | .464 | 293 | .476 | 76.1 | 4.6 | 4.22 | 4.15 |
| Danny Duffy* | Det | sp | 32 | .670 | 425 | .268 | 267 | .418 | 273 | .428 | 64.3 | 3.7 | 3.35 | 3.20 |
| Justin Dunn | Sea | sp | 25 | .743 | 287 | .296 | 198 | .457 | 205 | .473 | 53.3 | 4.8 | 4.30 | 4.18 |
| Dane Dunning | Bal | sp | 26 | .840 | 143 | .315 | 105 | .512 | 108 | .527 | 31.3 | 6.1 | 5.64 | 5.85 |
| Jon Duplantier | Was | sp | 26 | .853 | 285 | .344 | 246 | .530 | 252 | .543 | 71.4 | 6.3 | 5.63 | 5.92 |
| Sam Dyson | Mtl | mr | 33 | 1.053 | 43 | .395 | 41 | .641 | 42 | .656 | 15.3 | 10.6 | 9.28 | 9.86 |
| Zach Eflin | Was | sp | 27 | .809 | 433 | .293 | 312 | .502 | 319 | .514 | 85.3 | 5.3 | 4.99 | 5.31 |
| Jerad Eickhoff | Oak | sp | 30 | 1.029 | 158 | .373 | 142 | .634 | 144 | .643 | 53.2 | 10.7 | 9.58 | 9.39 |
| Robbie Erlin* | Tex | mr | 30 | .658 | 83 | .277 | 46 | .407 | 46 | .407 | 10.1 | 3.1 | 2.83 | 2.62 |
| Demarcus Evans | KCR | mr | 24 | .700 | 131 | .290 | 110 | .447 | 113 | .459 | 27.2 | 4.4 | 3.98 | 4.32 |
| Alex Faedo | Tex | sp | 25 | .850 | 272 | .320 | 219 | .542 | 221 | .547 | 63.0 | 6.1 | 5.51 | 5.35 |
| Peter Fairbanks | ChW | mr | 27 | .730 | 151 | .338 | 117 | .459 | 118 | .463 | 31.3 | 4.8 | 4.32 | 4.20 |
| Buck Farmer | Was | mr | 30 | .700 | 94 | .277 | 60 | .435 | 61 | .442 | 15.1 | 4.2 | 3.82 | 4.13 |
| Michael Feliz | Mtl | mr | 28 | .860 | 73 | .301 | 68 | .540 | 71 | .563 | 19.9 | 6.5 | 5.81 | 6.09 |
| J.P. Feyereisen | Min | mr | 28 | .704 | 110 | .273 | 102 | .466 | 104 | .475 | 21.7 | 3.6 | 3.21 | 3.53 |
| Mike Fiers | KCR | sp | 36 | .992 | 31 | .387 | 29 | .644 | 29 | .644 | 10.0 | 9.4 | 8.42 | 7.60 |
| Jack Flaherty | NYY | sp | 25 | .739 | 567 | .282 | 448 | .474 | 458 | .484 | 114.1 | 4.5 | 4.10 | 3.89 |
| Josh Fleming* | Mtl | sp | 25 | .742 | 230 | .291 | 149 | .458 | 151 | .465 | 40.4 | 4.8 | 4.29 | 4.16 |
| Dylan Floro | NYY | mr | 30 | .749 | 86 | .279 | 51 | .468 | 51 | .468 | 12.7 | 4.3 | 3.91 | 3.98 |
| Mike Foltynewicz | Bal | sp | 29 | .675 | 367 | .248 | 236 | .431 | 241 | .440 | 56.4 | 3.8 | 3.49 | 3.27 |
| Matt Foster | LAA | mr | 26 | .650 | 122 | .295 | 71 | .401 | 71 | .401 | 15.5 | 3.1 | 2.79 | 2.80 |
| Kyle Freeland* | Tor | sp | 28 | .588 | 534 | .225 | 273 | .364 | 281 | .375 | 56.4 | 2.7 | 2.44 | 2.35 |
| Max Fried* | KCR | sp | 27 | .713 | 467 | .300 | 318 | .445 | 322 | .450 | 79.0 | 4.2 | 3.84 | 4.00 |
| Jace Fry* | Tor | mr | 27 | .559 | 91 | .242 | 68 | .378 | 68 | .378 | 13.2 | 2.6 | 2.41 | 2.09 |
| Paul Fry* | LAA | mr | 28 | .582 | 148 | .223 | 93 | .371 | 96 | .382 | 18.7 | 2.7 | 2.48 | 2.67 |
| Michael Fulmer | Det | sp | 28 | .737 | 346 | .272 | 223 | .455 | 230 | .469 | 56.6 | 4.3 | 3.91 | 4.02 |
| Zac Gallen | Min | sp | 25 | .679 | 415 | .292 | 315 | .433 | 321 | .441 | 75.5 | 3.8 | 3.47 | 3.28 |
| John Gant | KCR | mr | 28 | .843 | 314 | .309 | 249 | .528 | 254 | .538 | 71.7 | 6.0 | 5.58 | 5.74 |
| Edgar Garcia | Was | mr | 24 | .841 | 155 | .316 | 151 | .543 | 153 | .550 | 44.0 | 6.4 | 5.69 | 5.51 |
| Rico Garcia | Mtl | sp | 27 | .840 | 46 | .326 | 36 | .522 | 37 | .536 | 11.0 | 6.5 | 5.95 | 5.87 |
| Sam Gaviglio | Was | mr | 31 | .678 | 225 | .271 | 139 | .428 | 141 | .434 | 31.9 | 3.5 | 3.19 | 3.06 |
| Joey Gerber | Was | mr | 24 | .769 | 113 | .274 | 100 | .505 | 101 | .510 | 26.8 | 5.6 | 4.86 | 4.92 |
| Domingo German | Bal | sp | 28 | .799 | 265 | .294 | 215 | .495 | 226 | .521 | 60.9 | 5.4 | 5.02 | 4.93 |
| Ken Giles | Sea | cl | 30 | .739 | 99 | .283 | 84 | .477 | 86 | .489 | 21.5 | 4.7 | 4.14 | 4.12 |
| Lucas Giolito | ChW | sp | 26 | .697 | 458 | .290 | 356 | .451 | 359 | .455 | 83.0 | 3.8 | 3.51 | 3.45 |
| Austin Gomber* | Tex | sp | 27 | .758 | 261 | .253 | 198 | .490 | 202 | .500 | 49.2 | 4.6 | 4.14 | 4.12 |
| Stephen Gonsalves* | Min | sp | 26 | .741 | 140 | .329 | 121 | .471 | 123 | .479 | 31.3 | 4.9 | 4.40 | 4.71 |
| Marco Gonzales* | Sea | sp | 29 | .756 | 527 | .302 | 356 | .470 | 363 | .479 | 96.4 | 4.9 | 4.39 | 4.21 |
| Brusdar Graterol | Bos | mr | 22 | .659 | 120 | .258 | 80 | .421 | 80 | .421 | 18.2 | 3.6 | 3.21 | 3.21 |
| Chad Green | NYY | mr | 30 | .600 | 129 | .271 | 83 | .372 | 87 | .390 | 18.4 | 2.9 | 2.65 | 2.35 |
| Justin Grimm | Tor | mr | 32 | .697 | 59 | .220 | 50 | .467 | 51 | .477 | 11.2 | 3.9 | 3.68 | 3.62 |
| Robert Gsellman | Cle | rp | 27 | .726 | 230 | .313 | 132 | .426 | 136 | .439 | 34.7 | 4.2 | 3.94 | 4.28 |
| Javy A. Guerra | Bal | mr | 25 | 1.140 | 68 | .368 | 71 | .724 | 72 | .735 | 26.9 | 12.8 | 11.48 | 11.70 |
| Junior Guerra | Oak | mr | 36 | .692 | 169 | .290 | 110 | .431 | 112 | .439 | 26.7 | 3.9 | 3.45 | 3.25 |
| Josh Hader* | NYY | cl | 27 | .686 | 111 | .378 | 128 | .449 | 131 | .460 | 28.9 | 3.7 | 3.35 | 3.13 |
| Cole Hamels* | Oak | sp | 37 | .772 | 450 | .280 | 327 | .494 | 332 | .502 | 87.2 | 5.1 | 4.55 | 4.25 |
| Ian Hamilton | Tex | mr | 26 | .797 | 71 | .254 | 53 | .510 | 54 | .519 | 15.0 | 5.5 | 4.98 | 4.67 |
| Brad Hand* | Oak | cl | 31 | .622 | 130 | .262 | 90 | .395 | 93 | .408 | 19.0 | 2.9 | 2.64 | 2.46 |
| J.A. Happ* | Det | sp | 38 | .625 | 384 | .289 | 221 | .384 | 224 | .389 | 50.5 | 3.2 | 2.94 | 2.81 |
| Ryne Harper | Bal | mr | 32 | .671 | 137 | .270 | 93 | .425 | 94 | .429 | 20.9 | 3.4 | 3.07 | 3.29 |
| Hunter Harvey | LAA | mr | 26 | .824 | 115 | .278 | 90 | .526 | 92 | .538 | 25.7 | 6.0 | 5.25 | 5.02 |
| Taylor Hearn* | LAA | sp | 26 | .756 | 104 | .240 | 101 | .505 | 103 | .515 | 25.4 | 4.9 | 4.38 | 4.51 |
| Ryan Helsley | LAA | mr | 26 | .967 | 125 | .376 | 121 | .599 | 123 | .609 | 41.2 | 9.3 | 8.55 | 8.81 |
| Kyle Hendricks | Cle | sp | 31 | .627 | 530 | .240 | 297 | .391 | 305 | .402 | 66.3 | 3.1 | 2.82 | 2.63 |
| Darwinzon Hernandez* | NYY | mr | 24 | .569 | 30 | .333 | 24 | .369 | 24 | .369 | 4.8 | 3.0 | 2.65 | 3.75 |
| Elieser Hernandez | KCR | sp | 26 | .715 | 231 | .251 | 163 | .448 | 171 | .470 | 41.0 | 4.3 | 3.85 | 3.84 |
| Felix Hernandez | Sea | sp | 35 | .876 | 189 | .360 | 136 | .527 | 138 | .535 | 42.9 | 6.9 | 6.28 | 6.65 |
| Jonathan Hernandez | Cle | mr | 24 | .707 | 13 | .231 | 10 | .476 | 10 | .476 | 2.4 | 4.4 | 4.23 | 3.87 |
| Codi Heuer | Det | mr | 24 | .658 | 166 | .301 | 97 | .394 | 99 | .402 | 23.8 | 3.6 | 3.28 | 3.41 |
| Trevor Hildenberger | Tex | mr | 30 | .900 | 45 | .400 | 41 | .562 | 41 | .562 | 13.5 | 7.6 | 7.12 | 6.97 |
| Rich Hill* | Bal | sp | 41 | .695 | 238 | .252 | 188 | .449 | 195 | .465 | 47.4 | 4.2 | 3.82 | 3.35 |
| Jeff Hoffman | Tex | sp | 28 | .753 | 285 | .295 | 209 | .468 | 215 | .481 | 54.6 | 4.7 | 4.28 | 4.53 |
| Greg Holland | Bos | cl | 35 | .794 | 111 | .324 | 87 | .500 | 87 | .500 | 24.5 | 5.8 | 5.26 | 5.82 |
| Clay Holmes | LAA | mr | 28 | .829 | 177 | .311 | 154 | .507 | 163 | .536 | 47.1 | 6.6 | 5.96 | 6.41 |
| Brent Honeywell | Cle | sp | 26 | .915 | 231 | .329 | 190 | .562 | 197 | .583 | 59.2 | 7.1 | 6.48 | 6.52 |
| Tanner Houck | LAA | sp | 25 | .869 | 245 | .306 | 213 | .548 | 220 | .566 | 65.7 | 6.9 | 6.26 | 6.28 |
| Dakota Hudson | KCR | sp | 26 | .825 | 502 | .315 | 366 | .510 | 371 | .517 | 105.1 | 6.0 | 5.40 | 5.69 |
| Jared Hughes | ChW | mr | 35 | .796 | 159 | .333 | 122 | .502 | 123 | .506 | 32.6 | 5.2 | 4.66 | 4.64 |
| Luke Jackson | Bos | cl | 29 | .689 | 190 | .332 | 138 | .417 | 144 | .435 | 35.5 | 4.1 | 3.67 | 3.66 |
| Josh James | Mtl | mr | 28 | .710 | 195 | .297 | 157 | .451 | 161 | .463 | 39.0 | 4.2 | 3.85 | 3.67 |
| Cristian Javier | NYY | sp | 24 | .690 | 225 | .284 | 190 | .450 | 193 | .457 | 44.6 | 4.0 | 3.54 | 3.52 |
| Dany Jimenez | Tex | mr | 27 | .753 | 162 | .290 | 120 | .482 | 121 | .486 | 30.7 | 4.7 | 4.26 | 4.15 |
| Joe Jimenez | Cle | cl | 26 | .631 | 144 | .306 | 89 | .394 | 89 | .394 | 20.1 | 3.2 | 2.95 | 2.69 |
| Jakob Junis | LAA | sp | 28 | .926 | 466 | .378 | 398 | .569 | 408 | .583 | 132.6 | 7.8 | 7.13 | 7.02 |
| Tommy Kahnle | Mtl | mr | 31 | .592 | 101 | .267 | 81 | .393 | 81 | .393 | 15.2 | 2.6 | 2.33 | 2.39 |
| Rob Kaminsky* | Was | mr | 26 | .803 | 159 | .327 | 124 | .496 | 125 | .500 | 35.8 | 6.3 | 5.61 | 6.40 |
| Keone Kela | LAA | mr | 28 | .820 | 78 | .269 | 85 | .548 | 87 | .561 | 21.5 | 5.2 | 4.83 | 4.98 |
| Brad Keller | Cle | sp | 25 | .675 | 519 | .252 | 297 | .418 | 302 | .425 | 69.8 | 3.6 | 3.29 | 3.35 |
| Mitch Keller | Cle | sp | 25 | .787 | 302 | .298 | 236 | .493 | 241 | .503 | 66.7 | 5.7 | 5.14 | 5.32 |
| Ian Kennedy | LAA | cl | 36 | 1.049 | 53 | .302 | 59 | .694 | 59 | .694 | 18.1 | 8.6 | 7.70 | 8.12 |
| Dallas Keuchel* | LAA | sp | 33 | .651 | 485 | .270 | 290 | .411 | 290 | .411 | 63.6 | 3.3 | 2.93 | 3.04 |
| Michael King | Tex | sp | 26 | .868 | 282 | .319 | 211 | .536 | 217 | .551 | 62.5 | 6.3 | 5.65 | 6.10 |
| Adam Kolarek* |   | mr | 32 | .639 | 160 | .281 | 83 | .381 | 86 | .394 | 20.6 | 3.6 | 3.27 | 3.07 |
| Chad Kuhl | Was | sp | 28 | .753 | 326 | .291 | 216 | .472 | 218 | .476 | 59.2 | 5.0 | 4.66 | 4.41 |
| Peter Lambert | Tor | sp | 24 | .817 | 462 | .284 | 306 | .510 | 313 | .522 | 88.6 | 5.8 | 5.34 | 5.04 |
| Dinelson Lamet | NYY | sp | 28 | .700 | 295 | .288 | 235 | .447 | 241 | .458 | 61.0 | 4.6 | 4.25 | 4.10 |
| Eric Lauer* | Min | sp | 26 | .753 | 373 | .271 | 283 | .479 | 290 | .491 | 73.3 | 4.7 | 4.36 | 4.26 |
| Mike Leake | Sea | sp | 33 | .851 | 529 | .333 | 350 | .507 | 364 | .527 | 109.8 | 6.3 | 5.79 | 5.71 |
| Jose Leclerc | Det | cl | 27 | .476 | 142 | .254 | 74 | .290 | 77 | .302 | 12.9 | 1.7 | 1.56 | 1.52 |
| Jon Lester* | ChW | sp | 37 | .815 | 409 | .301 | 318 | .519 | 320 | .522 | 91.1 | 5.9 | 5.31 | 5.30 |
| Francisco Liriano* | Min | mr | 37 | .481 | 81 | .136 | 46 | .322 | 49 | .343 | 7.4 | 1.8 | 1.66 | 1.69 |
| Zack Littell | Was | mr | 25 | .697 | 215 | .265 | 151 | .445 | 153 | .451 | 35.6 | 3.9 | 3.61 | 3.83 |
| Walker Lockett | Sea | sp | 27 | .785 | 71 | .338 | 44 | .463 | 45 | .474 | 14.2 | 6.1 | 5.47 | 4.82 |
| Pablo Lopez | Mtl | sp | 25 | .750 | 453 | .252 | 312 | .473 | 324 | .491 | 83.3 | 4.8 | 4.36 | 4.06 |
| Yoan Lopez | Cle | mr | 28 | .746 | 106 | .245 | 78 | .467 | 81 | .485 | 21.0 | 5.2 | 4.81 | 5.36 |
| Richard Lovelady* | Cle | rp | 25 | .669 | 156 | .314 | 88 | .395 | 90 | .404 | 21.7 | 3.6 | 3.26 | 3.35 |
| Seth Lugo | Bal | mr | 31 | .607 | 181 | .282 | 113 | .375 | 117 | .389 | 26.3 | 3.2 | 2.89 | 2.51 |
| Jesus Luzardo* | Was | sp | 23 | .679 | 226 | .270 | 142 | .423 | 145 | .432 | 34.9 | 3.9 | 3.61 | 3.50 |
| Sean Manaea* | Tex | sp | 29 | .771 | 253 | .273 | 210 | .498 | 215 | .509 | 53.1 | 4.7 | 4.26 | 4.36 |
| Dillon Maples | LAA | mr | 29 | .831 | 105 | .381 | 119 | .515 | 125 | .541 | 35.0 | 6.7 | 5.99 | 6.75 |
| Nick Margevicius* | Bos | sp | 25 | .845 | 441 | .324 | 317 | .528 | 320 | .533 | 94.3 | 6.2 | 5.63 | 5.57 |
| Evan Marshall | Min | mr | 31 | .693 | 62 | .194 | 43 | .467 | 44 | .478 | 9.5 | 3.8 | 3.41 | 3.03 |
| Carlos Martinez | Det | sp | 29 | .355 | 22 | .136 | 10 | .244 | 10 | .244 | 0.9 | 0.7 | 0.62 | 0.80 |
| Steven Matz* | Tex | sp | 30 | .774 | 402 | .281 | 298 | .489 | 305 | .501 | 81.1 | 5.1 | 4.66 | 4.45 |
| Mike Mayers | KCR | mr | 29 | .785 | 170 | .324 | 130 | .481 | 135 | .500 | 38.0 | 5.7 | 5.13 | 4.80 |
| Kevin McCarthy | Was | mr | 29 | .588 | 28 | .143 | 15 | .405 | 15 | .405 | 2.2 | 1.9 | 1.78 | 1.91 |
| Brendan McKay* | Was | sp | 25 | .644 | 350 | .297 | 228 | .398 | 234 | .408 | 52.8 | 3.4 | 3.03 | 2.87 |
| Nick Mears | LAA | mr | 24 | .743 | 121 | .298 | 89 | .443 | 95 | .473 | 25.0 | 4.9 | 4.50 | 4.79 |
| Mark Melancon | NYY | cl | 36 | .831 | 163 | .276 | 115 | .520 | 118 | .534 | 33.0 | 5.8 | 5.32 | 5.06 |
| Julian Merryweather | Tor | sp | 29 | .775 | 74 | .270 | 54 | .491 | 56 | .509 | 15.3 | 5.4 | 4.82 | 4.07 |
| Keynan Middleton | Cle | mr | 27 | 1.000 | 7 | .429 | 13 | .650 | 13 | .650 | 4.3 | 11.6 | 10.40 | 13.31 |
| Andrew Miller* | Bal | mr | 36 | .681 | 97 | .299 | 73 | .432 | 75 | .444 | 18.0 | 4.0 | 3.61 | 3.35 |
| Mike Minor* | NYY | sp | 33 | .649 | 423 | .248 | 255 | .410 | 260 | .418 | 55.8 | 3.2 | 2.88 | 2.82 |
| A.J. Minter* | NYY | mr | 27 | .769 | 131 | .313 | 107 | .480 | 111 | .498 | 28.7 | 5.0 | 4.49 | 4.68 |
| Rafael Montero | Det | mr | 30 | .868 | 147 | .327 | 117 | .539 | 120 | .553 | 34.6 | 6.2 | 5.72 | 5.78 |
| Jordan Montgomery* | Bal | sp | 28 | .777 | 298 | .309 | 209 | .483 | 212 | .490 | 53.2 | 4.6 | 4.24 | 4.47 |
| Adam Morgan* | Bos | mr | 31 | .590 | 57 | .298 | 37 | .356 | 39 | .375 | 8.9 | 3.2 | 2.96 | 2.88 |
| Reyes Moronta | Cle | rp | 28 | .633 | 119 | .261 | 95 | .413 | 96 | .417 | 20.7 | 3.3 | 2.99 | 3.13 |
| Ljay Newsome | KCR | sp | 24 | .853 | 151 | .291 | 113 | .536 | 117 | .555 | 32.2 | 5.8 | 5.36 | 5.32 |
| Darren O'Day | Min | mr | 38 | .712 | 38 | .289 | 31 | .449 | 32 | .464 | 8.3 | 4.8 | 4.49 | 4.69 |
| Scott Oberg | ChW | mr | 31 | .655 | 156 | .244 | 95 | .411 | 96 | .416 | 21.4 | 3.4 | 3.04 | 3.17 |
| Jake Odorizzi | Sea | sp | 31 | .731 | 470 | .283 | 335 | .470 | 335 | .470 | 84.9 | 4.5 | 4.01 | 3.74 |
| Shohei Ohtani | ChW | dh | 26 | .588 | 200 | .265 | 118 | .368 | 121 | .377 | 26.1 | 2.9 | 2.64 | 2.43 |
| Roberto Osuna | Tor | cl | 26 | .675 | 198 | .313 | 118 | .410 | 120 | .417 | 29.4 | 3.7 | 3.38 | 3.05 |
| Dan Otero | Sea | mr | 36 | .978 | 36 | .361 | 28 | .622 | 28 | .622 | 9.3 | 8.4 | 7.56 | 7.50 |
| Adam Ottavino | Oak | mr | 35 | .466 | 105 | .248 | 65 | .300 | 67 | .309 | 12.0 | 1.9 | 1.75 | 1.49 |
| Johan Oviedo | Tex | sp | 23 | 1.055 | 125 | .312 | 129 | .694 | 130 | .699 | 43.4 | 10.1 | 9.16 | 9.08 |
| Chris Paddack | Min | sp | 25 | .699 | 500 | .270 | 344 | .447 | 350 | .455 | 84.4 | 4.0 | 3.64 | 3.22 |
| Enoli Paredes | Min | mr | 25 | .680 | 143 | .224 | 108 | .450 | 110 | .458 | 23.7 | 3.6 | 3.30 | 3.36 |
| Luis Patino | Min | sp | 21 | .934 | 141 | .340 | 131 | .587 | 134 | .601 | 40.8 | 7.6 | 6.83 | 7.27 |
| James Paxton* | Sea | sp | 32 | .703 | 240 | .296 | 174 | .454 | 175 | .457 | 41.4 | 4.0 | 3.61 | 3.25 |
| Felix Pena | Bos | sp | 31 | .837 | 262 | .332 | 214 | .531 | 216 | .536 | 60.1 | 5.8 | 5.35 | 5.30 |
| Wandy Peralta* | KCR | mr | 29 | .861 | 57 | .228 | 54 | .574 | 56 | .596 | 12.4 | 4.7 | 4.26 | 4.75 |
| Cionel Perez* | Min | sp | 25 | .781 | 142 | .296 | 118 | .506 | 118 | .506 | 30.8 | 5.2 | 4.70 | 5.09 |
| Martin Perez* | Det | sp | 30 | .810 | 114 | .360 | 81 | .500 | 81 | .500 | 21.3 | 4.9 | 4.58 | 4.86 |
| Oliver Perez* | KCR | mr | 39 | .566 | 114 | .254 | 59 | .337 | 62 | .354 | 12.6 | 2.5 | 2.29 | 2.20 |
| David Phelps | Min | mr | 34 | .665 | 107 | .252 | 71 | .425 | 72 | .431 | 17.8 | 4.1 | 3.69 | 3.69 |
| Michael Pineda | LAA | sp | 32 | .784 | 390 | .323 | 286 | .493 | 288 | .497 | 77.6 | 5.0 | 4.58 | 4.46 |
| Nick Pivetta | Was | sp | 28 | .681 | 328 | .274 | 229 | .432 | 233 | .440 | 50.8 | 3.5 | 3.20 | 3.45 |
| Adam Plutko | Tor | sp | 29 | .818 | 182 | .297 | 133 | .508 | 137 | .523 | 39.6 | 6.0 | 5.41 | 5.10 |
| Drew Pomeranz* | Det | mr | 32 | .587 | 131 | .282 | 92 | .379 | 92 | .379 | 18.9 | 2.9 | 2.60 | 2.71 |
| Rick Porcello | ChW | sp | 32 | .785 | 497 | .302 | 349 | .489 | 356 | .499 | 97.9 | 5.3 | 4.81 | 4.58 |
| A.J. Puk* | ChW | mr | 26 | .858 | 168 | .369 | 156 | .536 | 158 | .543 | 48.3 | 7.1 | 6.25 | 6.54 |
| Cal Quantrill | Oak | sp | 26 | .759 | 410 | .312 | 281 | .460 | 291 | .476 | 78.4 | 5.1 | 4.57 | 4.67 |
| Jose Quintana* | KCR | sp | 32 | .745 | 479 | .301 | 315 | .460 | 318 | .464 | 87.2 | 5.0 | 4.55 | 4.60 |
| Tanner Rainey | Min | mr | 28 | .790 | 40 | .300 | 51 | .537 | 51 | .537 | 12.7 | 5.4 | 4.75 | 5.15 |
| Nick Ramirez* | Bal | mr | 31 | .748 | 213 | .329 | 140 | .453 | 142 | .460 | 37.9 | 4.8 | 4.35 | 4.65 |
| Drew Rasmussen | Min | sp | 25 | .660 | 212 | .259 | 143 | .418 | 146 | .427 | 34.0 | 3.8 | 3.43 | 3.39 |
| Robbie Ray* | Min | sp | 29 | .643 | 400 | .287 | 314 | .418 | 316 | .421 | 68.0 | 3.3 | 3.00 | 3.02 |
| Addison Reed | LAA | mr | 32 | .518 | 148 | .216 | 64 | .317 | 64 | .317 | 13.0 | 2.2 | 2.04 | 1.81 |
| Cody Reed* | Det | mr | 28 | .611 | 123 | .333 | 74 | .359 | 76 | .369 | 18.5 | 3.5 | 3.09 | 3.13 |
| Sean Reid-Foley | Tor | sp | 25 | .758 | 362 | .293 | 293 | .480 | 298 | .489 | 79.2 | 5.2 | 4.80 | 5.03 |
| Trevor Richards | Mtl | sp | 28 | .819 | 194 | .273 | 171 | .545 | 171 | .545 | 45.8 | 5.6 | 5.18 | 4.92 |
| Tanner Roark | Bal | sp | 34 | .881 | 378 | .344 | 302 | .541 | 310 | .556 | 89.1 | 6.3 | 5.73 | 6.18 |
| Hansel Robles | Bos | cl | 30 | .777 | 179 | .358 | 135 | .474 | 138 | .484 | 36.4 | 4.9 | 4.47 | 4.68 |
| Eduardo Rodriguez* | Bos | sp | 28 | .719 | 485 | .301 | 340 | .453 | 345 | .459 | 83.1 | 4.1 | 3.74 | 3.62 |
| Joely Rodriguez* | Tex | mr | 29 | .510 | 128 | .195 | 71 | .332 | 73 | .341 | 12.6 | 2.0 | 1.83 | 1.71 |
| Richard Rodriguez | Det | mr | 31 | .889 | 173 | .353 | 148 | .554 | 150 | .562 | 44.9 | 6.7 | 6.13 | 6.41 |
| Taylor Rogers* | Sea | cl | 30 | .544 | 121 | .281 | 61 | .316 | 65 | .337 | 12.6 | 2.3 | 2.09 | 1.93 |
| Trevor Rogers* | Det | sp | 23 | .719 | 335 | .269 | 236 | .465 | 237 | .467 | 57.6 | 4.3 | 3.89 | 3.78 |
| Tyler Rogers | ChW | mr | 30 | .717 | 196 | .281 | 137 | .454 | 138 | .457 | 34.5 | 4.5 | 4.13 | 4.51 |
| Jordan Romano | Tor | mr | 28 | .851 | 214 | .294 | 195 | .546 | 199 | .557 | 58.6 | 6.7 | 6.16 | 6.00 |
| Sal Romano | Bos | mr | 27 | .729 | 279 | .290 | 179 | .460 | 180 | .463 | 45.0 | 4.3 | 3.87 | 3.54 |
| Fernando Romero | Was | mr | 26 | .706 | 200 | .280 | 130 | .436 | 134 | .450 | 32.0 | 4.0 | 3.61 | 3.56 |
| JoJo Romero* | Sea | sp | 24 | .685 | 66 | .273 | 44 | .431 | 44 | .431 | 11.5 | 4.4 | 3.95 | 3.85 |
| Sergio Romo | Bos | cl | 38 | .561 | 111 | .198 | 73 | .378 | 74 | .383 | 12.9 | 2.2 | 2.04 | 1.65 |
| Randy Rosario* | Cle | mr | 27 | 1.194 | 5 | .400 | 7 | .778 | 7 | .778 | 2.8 | 15.0 | 13.52 | 14.69 |
| Tyson Ross | NYY | sp | 34 | .777 | 130 | .323 | 86 | .462 | 89 | .478 | 24.0 | 5.1 | 4.71 | 5.11 |
| Kyle Ryan* | Was | mr | 29 | .732 | 13 | .385 | 11 | .458 | 11 | .458 | 2.1 | 3.4 | 3.04 | 4.99 |
| Danny Salazar | Det | sp | 31 | .875 | 176 | .307 | 171 | .570 | 172 | .573 | 48.5 | 6.4 | 5.75 | 6.12 |
| Jeff Samardzija | Sea | sp | 36 | .741 | 489 | .266 | 327 | .472 | 331 | .478 | 85.5 | 4.6 | 4.24 | 3.95 |
| Tanner Scott* | Oak | mr | 26 | .622 | 153 | .314 | 105 | .382 | 109 | .396 | 23.3 | 3.2 | 2.92 | 3.16 |
| Paul Sewald | NYY | mr | 31 | .542 | 19 | .263 | 7 | .304 | 7 | .304 | 1.4 | 2.3 | 2.06 | 2.68 |
| Sterling Sharp | Tor | sp | 26 | 1.049 | 49 | .265 | 44 | .698 | 45 | .714 | 14.3 | 9.2 | 8.25 | 7.87 |
| Justus Sheffield* | Det | sp | 25 | .854 | 381 | .302 | 309 | .537 | 318 | .553 | 88.2 | 6.0 | 5.41 | 5.39 |
| Jimmie Sherfy | LAA | mr | 29 | .710 | 137 | .292 | 107 | .448 | 110 | .460 | 28.3 | 4.6 | 4.35 | 4.33 |
| Ryan Sherriff* | Tex | mr | 31 | .694 | 136 | .338 | 69 | .397 | 70 | .402 | 18.5 | 4.0 | 3.71 | 3.63 |
| Devin Smeltzer* | Bos | sp | 25 | .780 | 422 | .284 | 319 | .504 | 321 | .507 | 82.0 | 4.9 | 4.42 | 4.26 |
| Joe Smith | Bos | mr | 37 | .660 | 119 | .269 | 68 | .393 | 71 | .410 | 17.6 | 3.9 | 3.48 | 3.29 |
| Josh D. Smith* | Tor | mr | 31 | .857 | 92 | .359 | 72 | .518 | 73 | .525 | 21.8 | 6.6 | 5.94 | 6.42 |
| Will M. Smith* | Bal | cl | 31 | .590 | 106 | .208 | 88 | .407 | 88 | .407 | 16.8 | 2.7 | 2.44 | 2.30 |
| Drew Smyly* | Tor | sp | 32 | .849 | 312 | .308 | 270 | .553 | 271 | .555 | 77.8 | 6.3 | 5.71 | 5.38 |
| Chad Sobotka | NYY | mr | 27 | .916 | 46 | .413 | 44 | .557 | 45 | .570 | 13.4 | 6.8 | 6.25 | 6.61 |
| Gregory Soto* | Was | mr | 26 | .827 | 73 | .301 | 64 | .538 | 64 | .538 | 18.3 | 6.4 | 5.78 | 5.87 |
| Craig Stammen | Sea | mr | 37 | .688 | 210 | .305 | 126 | .420 | 128 | .427 | 30.4 | 3.7 | 3.39 | 3.29 |
| Cody Stashak | Tex | mr | 27 | .893 | 211 | .313 | 182 | .578 | 184 | .584 | 54.4 | 6.9 | 6.24 | 5.87 |
| Robert Stephenson | Sea | mr | 28 | .639 | 147 | .279 | 116 | .419 | 117 | .422 | 26.1 | 3.5 | 3.18 | 2.97 |
| Matt Strahm* | Mtl | mr | 29 | .791 | 97 | .268 | 93 | .525 | 94 | .531 | 24.2 | 5.3 | 4.78 | 4.71 |
| Cole Sulser | Cle | mr | 31 | .990 | 30 | .367 | 28 | .622 | 28 | .622 | 9.8 | 9.8 | 8.84 | 8.10 |
| Trey Supak | Tor | sp | 25 | .763 | 306 | .297 | 195 | .471 | 197 | .476 | 54.9 | 5.1 | 4.73 | 4.43 |
| Julio Teheran | Bal | sp | 30 | .827 | 437 | .272 | 376 | .534 | 383 | .544 | 104.0 | 5.8 | 5.27 | 5.40 |
| Trent Thornton | KCR | sp | 27 | .728 | 208 | .332 | 122 | .425 | 125 | .436 | 31.8 | 4.2 | 3.87 | 4.13 |
| Lewis Thorpe* | Mtl | sp | 25 | .567 | 230 | .235 | 131 | .357 | 135 | .368 | 26.3 | 2.5 | 2.34 | 2.24 |
| Touki Toussaint | NYY | sp | 25 | .776 | 255 | .314 | 199 | .487 | 203 | .496 | 53.2 | 5.1 | 4.62 | 4.80 |
| Lou Trivino | Cle | rp | 29 | .756 | 178 | .309 | 119 | .454 | 123 | .469 | 35.3 | 5.4 | 4.82 | 4.73 |
| Spencer Turnbull | Min | sp | 28 | .832 | 115 | .348 | 86 | .494 | 90 | .517 | 26.3 | 6.1 | 5.46 | 5.90 |
| Jose Urena | Mtl | mr | 29 | .817 | 176 | .307 | 146 | .505 | 152 | .526 | 43.3 | 6.2 | 5.57 | 5.56 |
| Julio Urias* | Min | mr | 24 | .680 | 176 | .341 | 138 | .419 | 142 | .432 | 35.8 | 4.3 | 4.01 | 3.99 |
| Justin Verlander | Cle | sp | 38 | .660 | 470 | .260 | 355 | .428 | 364 | .439 | 81.3 | 3.5 | 3.15 | 2.79 |
| Nick Vincent | Oak | mr | 34 | .748 | 140 | .300 | 90 | .474 | 90 | .474 | 24.0 | 4.7 | 4.22 | 3.70 |
| Michael Wacha | Tex | sp | 29 | .747 | 295 | .285 | 202 | .472 | 203 | .474 | 48.5 | 4.2 | 3.88 | 4.09 |
| Adam Wainwright | Oak | sp | 39 | .725 | 369 | .276 | 242 | .450 | 249 | .463 | 62.1 | 4.4 | 3.93 | 4.02 |
| Taijuan Walker | Oak | sp | 28 | .811 | 268 | .321 | 207 | .505 | 212 | .517 | 59.5 | 5.7 | 5.16 | 5.22 |
| Art Warren | Sea | mr | 28 | .635 | 37 | .297 | 27 | .403 | 27 | .403 | 5.3 | 2.9 | 2.71 | 3.65 |
| Logan Webb | Det | sp | 24 | .754 | 306 | .291 | 211 | .468 | 217 | .481 | 57.2 | 4.9 | 4.41 | 4.42 |
| Forrest Whitley | NYY | sp | 23 | .707 | 189 | .291 | 153 | .451 | 156 | .460 | 38.4 | 4.3 | 3.93 | 3.74 |
| Kodi Whitley | Cle | mr | 26 | .630 | 175 | .286 | 105 | .385 | 108 | .396 | 25.9 | 3.7 | 3.40 | 3.44 |
| Devin Williams | KCR | mr | 26 | .747 | 219 | .315 | 200 | .476 | 204 | .486 | 52.6 | 5.2 | 4.70 | 5.30 |
| Trevor Williams | LAA | sp | 29 | .765 | 445 | .261 | 323 | .484 | 333 | .499 | 85.6 | 4.9 | 4.43 | 4.40 |
| Bryse Wilson | KCR | sp | 23 | .780 | 354 | .282 | 260 | .494 | 264 | .502 | 70.5 | 5.1 | 4.60 | 4.52 |
| Matt Wisler | Tex | mr | 28 | .887 | 77 | .286 | 66 | .595 | 66 | .595 | 17.5 | 5.9 | 5.20 | 4.71 |
| Nick Wittgren | Sea | mr | 30 | .578 | 149 | .302 | 80 | .346 | 81 | .351 | 18.3 | 2.8 | 2.57 | 2.17 |
| Alex Wood* | ChW | sp | 30 | .698 | 321 | .290 | 206 | .431 | 212 | .444 | 49.7 | 3.8 | 3.48 | 3.43 |
| Brandon Woodruff | Cle | sp | 28 | .674 | 343 | .292 | 231 | .418 | 237 | .429 | 58.5 | 4.0 | 3.62 | 3.47 |
| Shun Yamaguchi | Tor | sp | 33 | .726 | 378 | .254 | 284 | .474 | 287 | .479 | 70.7 | 4.5 | 4.10 | 3.96 |
| Jordan Yamamoto | Bal | sp | 25 | .802 | 377 | .255 | 308 | .516 | 318 | .533 | 83.5 | 5.5 | 5.04 | 5.02 |
| Ryan Yarbrough* | Mtl | sp | 29 | .567 | 420 | .245 | 202 | .342 | 207 | .350 | 44.5 | 2.7 | 2.40 | 2.17 |
| Eric Yardley | Tex | mr | 30 | .880 | 230 | .309 | 177 | .562 | 179 | .568 | 54.0 | 6.8 | 6.10 | 5.73 |
| Tyler Zuber | Min | mr | 26 | .508 | 124 | .218 | 57 | .306 | 60 | .323 | 12.0 | 2.3 | 2.11 | 1.86 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | NP/G | STR% |
| Albert Abreu | Bal | sp | 25 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 2 | 0 | .000 | 109.0 | .642 |
| Bryan Abreu | Oak | sp | 24 | 17 | 0 | .000 | 0 | 2 | .118 | 109 | 6.4 | 15 | 3 | .200 | 94.8 | .562 |
| Dario Agrazal | Tex | sp | 26 | 26 | 0 | .000 | 0 | 9 | .346 | 85 | 3.3 | 16 | 5 | .313 | 82.1 | .657 |
| Keegan Akin* | LAA | sp | 26 | 14 | 0 | .000 | 0 | 3 | .214 | 59 | 4.2 | 13 | 4 | .308 | 87.2 | .590 |
| Scott Alexander* | Mtl | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 35 | 14 | .400 | 14.5 | .641 |
| Tyler John Alexander* | NYY | sp | 29 | 5 | 0 | .000 | 0 | 3 | .600 | 21 | 4.2 | 1 | 0 | .000 | 76.9 | .675 |
| Yency Almonte | Bos | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 4 | .154 | 18.4 | .586 |
| Dan Altavilla | Cle | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 20.2 | .587 |
| Jose Alvarado* | Det | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 8 | .348 | 17.7 | .567 |
| Jose Alvarez* | Bos | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 13 | .565 | 16.4 | .644 |
| Adbert Alzolay | Tex | sp | 26 | 12 | 0 | .000 | 0 | 1 | .083 | 47 | 3.9 | 4 | 2 | .500 | 80.0 | .571 |
| Brett Anderson* | Mtl | sp | 33 | 26 | 0 | .000 | 0 | 8 | .308 | 127 | 4.9 | 18 | 5 | .278 | 75.7 | .628 |
| Tejay Antone | KCR | sp | 27 | 10 | 0 | .000 | 0 | 2 | .200 | 53 | 5.3 | 9 | 2 | .222 | 65.6 | .618 |
| Luis Avilan* | Tor | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 18.2 | .596 |
| Michel Baez | Was | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 4 | .500 | 19.5 | .589 |
| Pedro Baez | NYY | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 6 | .750 | 16.6 | .622 |
| Scott Barlow | LAA | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 22.1 | .607 |
| Matt Barnes | ChW | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 4 | .211 | 21.9 | .583 |
| Jaime Barria | Was | sp | 24 | 24 | 3 | .125 | 0 | 10 | .417 | 92 | 3.8 | 21 | 10 | .476 | 95.0 | .631 |
| Chris Bassitt | ChW | sp | 32 | 23 | 0 | .000 | 0 | 10 | .435 | 114 | 5.0 | 25 | 8 | .320 | 95.8 | .624 |
| David Bednar | Min | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 10 | .400 | 19.0 | .612 |
| Jalen Beeks* | Det | mr | 27 | 3 | 0 | .000 | 0 | 0 | .000 | 6 | 2.0 | 3 | 0 | .000 | 62.0 | .581 |
| Chad Bettis | Bos | mr | 32 | 12 | 0 | .000 | 0 | 2 | .167 | 52 | 4.3 | 14 | 7 | .500 | 45.3 | .646 |
| Joe Biagini | Tor | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 20.8 | .623 |
| Brandon Bielak | Bal | sp | 25 | 3 | 0 | .000 | 0 | 3 | 1.000 | 19 | 6.3 | 16 | 2 | .125 | 32.6 | .600 |
| Ty Blach* | Bos | sp | 30 | 21 | 1 | .048 | 0 | 11 | .524 | 85 | 4.0 | 7 | 0 | .000 | 92.5 | .632 |
| Paul Blackburn | Mtl | sp | 27 | 8 | 0 | .000 | 0 | 2 | .250 | 25 | 3.1 | 13 | 4 | .308 | 36.9 | .634 |
| Richard Bleier* | ChW | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 3 | .176 | 16.6 | .700 |
| Matthew Bowman | ChW | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 1 | .056 | 23.5 | .622 |
| Brad Brach | Oak | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 23.8 | .629 |
| Archie Bradley | Bal | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 8 | .333 | 19.1 | .626 |
| John Brebbia | Bal | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 20.3 | .618 |
| Colten Brewer | Mtl | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 10 | .370 | 17.4 | .635 |
| Zack Britton* | Min | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 12.8 | .600 |
| Connor Brogdon | Tex | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 8 | .333 | 21.7 | .588 |
| JT Brubaker | KCR | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 4 | 1.000 | 22.1 | .600 |
| Madison Bumgarner* | Mtl | sp | 31 | 30 | 3 | .100 | 2 | 20 | .667 | 162 | 5.4 | 26 | 6 | .231 | 94.9 | .634 |
| Aaron Bummer* | Sea | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 12 | .480 | 15.6 | .602 |
| Dylan Bundy | NYY | sp | 28 | 22 | 1 | .045 | 1 | 11 | .500 | 114 | 5.2 | 12 | 8 | .667 | 99.0 | .641 |
| Corbin Burnes | Was | mr | 26 | 14 | 0 | .000 | 0 | 8 | .571 | 46 | 3.3 | 14 | 5 | .357 | 61.4 | .621 |
| Ty Buttrey | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 38 | 12 | .316 | 20.2 | .631 |
| Genesis Cabrera* | Tor | sp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 47 | 15 | .319 | 24.4 | .597 |
| Griffin Canning | Sea | sp | 25 | 5 | 0 | .000 | 0 | 0 | .000 | 16 | 3.2 | 5 | 2 | .400 | 89.0 | .589 |
| Daniel Castano* | Det | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 12 | .480 | 35.5 | .603 |
| Diego Castillo | Min | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 18.0 | .631 |
| Jose Castillo* | NYY | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 19.3 | .634 |
| Luis Cessa | NYY | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 6 | .333 | 26.5 | .645 |
| Tyler Chatwood | ChW | mr | 31 | 14 | 0 | .000 | 0 | 5 | .357 | 85 | 6.1 | 24 | 7 | .292 | 53.4 | .577 |
| Jesse Chavez | Tex | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 25.6 | .609 |
| Steve Cishek | Oak | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 24.5 | .587 |
| Jose Cisnero | NYY | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 | 19.3 | .569 |
| Taylor Clarke | Bos | sp | 28 | 24 | 0 | .000 | 0 | 10 | .417 | 106 | 4.4 | 18 | 8 | .444 | 89.5 | .619 |
| Emmanuel Clase | Det | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 19.2 | .675 |
| Alex Claudio* | Cle | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 45 | 10 | .222 | 11.6 | .635 |
| Garrett Cleavinger* | Cle | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 32 | 7 | .219 | 22.7 | .560 |
| Tyler Clippard | Sea | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 5 | .455 | 17.7 | .597 |
| Gerrit Cole | Oak | sp | 30 | 32 | 7 | .219 | 4 | 21 | .656 | 155 | 4.8 | 12 | 6 | .500 | 112.9 | .656 |
| Adam Conley* | Was | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 15.2 | .681 |
| Sam Coonrod | Oak | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 4 | 1.000 | 18.8 | .607 |
| Jimmy Cordero | Mtl | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 14.2 | .648 |
| Jharel Cotton | Oak | sp | 29 | 12 | 0 | .000 | 0 | 4 | .333 | 47 | 3.9 | 6 | 0 | .000 | 86.1 | .612 |
| Kyle Crick | Oak | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 27.0 | .574 |
| Tucker Davidson* | Cle | sp | 25 | 11 | 0 | .000 | 0 | 1 | .091 | 54 | 4.9 | 11 | 5 | .455 | 78.0 | .584 |
| Zach Davies | KCR | sp | 28 | 26 | 0 | .000 | 0 | 11 | .423 | 114 | 4.4 | 20 | 6 | .300 | 82.8 | .616 |
| Grant Dayton* | LAA | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 21.5 | .591 |
| Jose De Leon | Tor | sp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 | 20.5 | .616 |
| Chris Devenski | Sea | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 6 | .667 | 18.9 | .676 |
| Edwin Diaz | Oak | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 19.7 | .631 |
| Phillip Diehl* | ChW | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 | 19.9 | .627 |
| Randy Dobnak | Mtl | sp | 26 | 20 | 0 | .000 | 0 | 10 | .500 | 87 | 4.3 | 16 | 3 | .188 | 52.5 | .648 |
| Danny Duffy* | Det | sp | 32 | 25 | 2 | .080 | 1 | 14 | .560 | 129 | 5.2 | 8 | 0 | .000 | 94.3 | .627 |
| Justin Dunn | Sea | sp | 25 | 18 | 0 | .000 | 0 | 7 | .389 | 86 | 4.8 | 16 | 4 | .250 | 95.4 | .606 |
| Dane Dunning | Bal | sp | 26 | 9 | 0 | .000 | 0 | 2 | .222 | 42 | 4.7 | 9 | 6 | .667 | 86.8 | .606 |
| Jon Duplantier | Was | sp | 26 | 21 | 0 | .000 | 0 | 4 | .190 | 100 | 4.8 | 21 | 6 | .286 | 86.8 | .589 |
| Sam Dyson | Mtl | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 19.5 | .632 |
| Zach Eflin | Was | sp | 27 | 26 | 0 | .000 | 0 | 10 | .385 | 100 | 3.8 | 18 | 7 | .389 | 84.0 | .625 |
| Jerad Eickhoff | Oak | sp | 30 | 11 | 0 | .000 | 0 | 0 | .000 | 32 | 2.9 | 10 | 3 | .300 | 77.7 | .613 |
| Robbie Erlin* | Tex | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 22.4 | .667 |
| Demarcus Evans | KCR | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 36 | 14 | .389 | 22.0 | .561 |
| Alex Faedo | Tex | sp | 25 | 18 | 0 | .000 | 0 | 4 | .222 | 76 | 4.2 | 5 | 1 | .200 | 84.3 | .640 |
| Peter Fairbanks | ChW | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 3 | .143 | 21.6 | .599 |
| Buck Farmer | Was | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 21.5 | .600 |
| Michael Feliz | Mtl | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 4 | .286 | 20.3 | .593 |
| J.P. Feyereisen | Min | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 4 | .286 | 22.1 | .596 |
| Mike Fiers | KCR | sp | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 26.3 | .646 |
| Jack Flaherty | NYY | sp | 25 | 33 | 4 | .121 | 2 | 17 | .515 | 143 | 4.3 | 18 | 9 | .500 | 109.4 | .647 |
| Josh Fleming* | Mtl | sp | 25 | 4 | 0 | .000 | 0 | 3 | .750 | 14 | 3.5 | 28 | 9 | .321 | 29.4 | .641 |
| Dylan Floro | NYY | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 0 | .000 | 19.8 | .676 |
| Mike Foltynewicz | Bal | sp | 29 | 22 | 0 | .000 | 0 | 9 | .409 | 80 | 3.6 | 13 | 9 | .692 | 93.0 | .614 |
| Matt Foster | LAA | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 29.6 | .651 |
| Kyle Freeland* | Tor | sp | 28 | 31 | 4 | .129 | 3 | 18 | .581 | 147 | 4.7 | 22 | 12 | .545 | 89.2 | .632 |
| Max Fried* | KCR | sp | 27 | 28 | 1 | .036 | 1 | 10 | .357 | 106 | 3.8 | 25 | 8 | .320 | 61.7 | .617 |
| Jace Fry* | Tor | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 5 | .250 | 16.4 | .577 |
| Paul Fry* | LAA | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 10 | .435 | 18.4 | .580 |
| Michael Fulmer | Det | sp | 28 | 20 | 0 | .000 | 0 | 7 | .350 | 91 | 4.6 | 15 | 5 | .333 | 92.3 | .638 |
| Zac Gallen | Min | sp | 25 | 29 | 0 | .000 | 0 | 15 | .517 | 160 | 5.5 | 17 | 4 | .235 | 103.9 | .623 |
| John Gant | KCR | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 55 | 15 | .273 | 18.1 | .595 |
| Edgar Garcia | Was | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 4 | .222 | 20.6 | .593 |
| Rico Garcia | Mtl | sp | 27 | 4 | 0 | .000 | 0 | 0 | .000 | 23 | 5.8 | 3 | 0 | .000 | 66.3 | .600 |
| Sam Gaviglio | Was | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 7 | .438 | 25.4 | .642 |
| Joey Gerber | Was | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 5 | .313 | 23.7 | .578 |
| Domingo German | Bal | sp | 28 | 15 | 0 | .000 | 0 | 6 | .400 | 69 | 4.6 | 10 | 4 | .400 | 64.9 | .624 |
| Ken Giles | Sea | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 1 | .091 | 16.1 | .637 |
| Lucas Giolito | ChW | sp | 26 | 29 | 3 | .103 | 1 | 18 | .621 | 149 | 5.1 | 17 | 7 | .412 | 109.4 | .637 |
| Austin Gomber* | Tex | sp | 27 | 14 | 0 | .000 | 0 | 3 | .214 | 61 | 4.4 | 12 | 4 | .333 | 50.9 | .599 |
| Stephen Gonsalves* | Min | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 42 | 8 | .190 | 17.3 | .585 |
| Marco Gonzales* | Sea | sp | 29 | 28 | 0 | .000 | 0 | 14 | .500 | 94 | 3.4 | 14 | 7 | .500 | 99.6 | .642 |
| Brusdar Graterol | Bos | mr | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 3 | .188 | 22.3 | .591 |
| Chad Green | NYY | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 18.0 | .645 |
| Justin Grimm | Tor | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 4 | .667 | 23.8 | .621 |
| Robert Gsellman | Cle | rp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 9 | .529 | 18.7 | .626 |
| Javy A. Guerra | Bal | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 | 20.6 | .615 |
| Junior Guerra | Oak | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 24.9 | .623 |
| Josh Hader* | NYY | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 20.5 | .627 |
| Cole Hamels* | Oak | sp | 37 | 26 | 1 | .038 | 0 | 10 | .385 | 124 | 4.8 | 12 | 3 | .250 | 99.0 | .617 |
| Ian Hamilton | Tex | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 18.1 | .613 |
| Brad Hand* | Oak | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 3 | .167 | 19.6 | .669 |
| J.A. Happ* | Det | sp | 38 | 25 | 0 | .000 | 0 | 12 | .480 | 127 | 5.1 | 16 | 3 | .188 | 87.0 | .630 |
| Ryne Harper | Bal | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 20.7 | .634 |
| Hunter Harvey | LAA | mr | 26 | 4 | 0 | .000 | 0 | 0 | .000 | 21 | 5.3 | 11 | 5 | .455 | 32.2 | .600 |
| Taylor Hearn* | LAA | sp | 26 | 10 | 0 | .000 | 0 | 1 | .100 | 42 | 4.2 | 6 | 4 | .667 | 88.6 | .574 |
| Ryan Helsley | LAA | mr | 26 | 5 | 0 | .000 | 0 | 1 | .200 | 30 | 6.0 | 10 | 6 | .600 | 39.3 | .569 |
| Kyle Hendricks | Cle | sp | 31 | 29 | 4 | .138 | 3 | 17 | .586 | 170 | 5.9 | 9 | 3 | .333 | 95.8 | .648 |
| Darwinzon Hernandez* | NYY | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 17.0 | .551 |
| Elieser Hernandez | KCR | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 40 | 13 | .325 | 16.4 | .621 |
| Felix Hernandez | Sea | sp | 35 | 12 | 0 | .000 | 0 | 4 | .333 | 57 | 4.8 | 15 | 9 | .600 | 79.5 | .607 |
| Jonathan Hernandez | Cle | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 23.5 | .617 |
| Codi Heuer | Det | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 5 | .238 | 21.9 | .621 |
| Trevor Hildenberger | Tex | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 19.4 | .642 |
| Rich Hill* | Bal | sp | 41 | 18 | 1 | .056 | 0 | 7 | .389 | 98 | 5.4 | 15 | 0 | .000 | 93.4 | .619 |
| Jeff Hoffman | Tex | sp | 28 | 20 | 0 | .000 | 0 | 8 | .400 | 99 | 4.9 | 12 | 7 | .583 | 88.9 | .601 |
| Greg Holland | Bos | cl | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 4 | .143 | 15.4 | .584 |
| Clay Holmes | LAA | mr | 28 | 9 | 0 | .000 | 0 | 3 | .333 | 43 | 4.8 | 18 | 8 | .444 | 52.3 | .568 |
| Brent Honeywell | Cle | sp | 26 | 15 | 0 | .000 | 0 | 4 | .267 | 63 | 4.2 | 8 | 0 | .000 | 79.9 | .620 |
| Tanner Houck | LAA | sp | 25 | 16 | 0 | .000 | 0 | 4 | .250 | 75 | 4.7 | 17 | 4 | .235 | 81.3 | .596 |
| Dakota Hudson | KCR | sp | 26 | 33 | 0 | .000 | 0 | 11 | .333 | 134 | 4.1 | 29 | 15 | .517 | 82.6 | .595 |
| Jared Hughes | ChW | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 8 | .308 | 18.4 | .617 |
| Luke Jackson | Bos | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 4 | .174 | 22.6 | .618 |
| Josh James | Mtl | mr | 28 | 5 | 0 | .000 | 0 | 4 | .800 | 12 | 2.4 | 26 | 7 | .269 | 28.2 | .610 |
| Cristian Javier | NYY | sp | 24 | 18 | 0 | .000 | 0 | 6 | .333 | 106 | 5.9 | 10 | 5 | .500 | 98.3 | .582 |
| Dany Jimenez | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 23.1 | .617 |
| Joe Jimenez | Cle | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 17.1 | .649 |
| Jakob Junis | LAA | sp | 28 | 29 | 0 | .000 | 0 | 8 | .276 | 107 | 3.7 | 14 | 3 | .214 | 90.2 | .640 |
| Tommy Kahnle | Mtl | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 15.4 | .602 |
| Rob Kaminsky* | Was | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 40 | 20 | .500 | 15.4 | .552 |
| Keone Kela | LAA | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 2 | .182 | 18.6 | .618 |
| Brad Keller | Cle | sp | 25 | 30 | 1 | .033 | 0 | 18 | .600 | 125 | 4.2 | 22 | 11 | .500 | 90.9 | .601 |
| Mitch Keller | Cle | sp | 25 | 24 | 0 | .000 | 0 | 5 | .208 | 152 | 6.3 | 30 | 10 | .333 | 79.2 | .586 |
| Ian Kennedy | LAA | cl | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 16.8 | .616 |
| Dallas Keuchel* | LAA | sp | 33 | 27 | 1 | .037 | 0 | 18 | .667 | 86 | 3.2 | 13 | 6 | .462 | 99.6 | .627 |
| Michael King | Tex | sp | 26 | 16 | 0 | .000 | 0 | 5 | .313 | 64 | 4.0 | 10 | 1 | .100 | 86.8 | .652 |
| Adam Kolarek* |   | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 6 | .300 | 17.3 | .639 |
| Chad Kuhl | Was | sp | 28 | 18 | 0 | .000 | 0 | 6 | .333 | 60 | 3.3 | 7 | 4 | .571 | 99.9 | .613 |
| Peter Lambert | Tor | sp | 24 | 23 | 2 | .087 | 0 | 9 | .391 | 112 | 4.9 | 18 | 5 | .278 | 85.5 | .637 |
| Dinelson Lamet | NYY | sp | 28 | 23 | 0 | .000 | 0 | 8 | .348 | 117 | 5.1 | 12 | 1 | .083 | 95.3 | .577 |
| Eric Lauer* | Min | sp | 26 | 26 | 1 | .038 | 0 | 12 | .462 | 148 | 5.7 | 13 | 5 | .385 | 88.7 | .626 |
| Mike Leake | Sea | sp | 33 | 25 | 1 | .040 | 1 | 9 | .360 | 126 | 5.0 | 18 | 8 | .444 | 94.6 | .661 |
| Jose Leclerc | Det | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 19.3 | .621 |
| Jon Lester* | ChW | sp | 37 | 25 | 0 | .000 | 0 | 9 | .360 | 115 | 4.6 | 25 | 6 | .240 | 94.3 | .616 |
| Francisco Liriano* | Min | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 2 | .125 | 13.9 | .583 |
| Zack Littell | Was | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 6 | .231 | 18.5 | .611 |
| Walker Lockett | Sea | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 24.1 | .604 |
| Pablo Lopez | Mtl | sp | 25 | 26 | 0 | .000 | 0 | 13 | .500 | 131 | 5.0 | 16 | 7 | .438 | 93.3 | .642 |
| Yoan Lopez | Cle | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 8 | .444 | 18.0 | .578 |
| Richard Lovelady* | Cle | rp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 2 | .100 | 14.1 | .648 |
| Seth Lugo | Bal | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 3 | .375 | 18.3 | .630 |
| Jesus Luzardo* | Was | sp | 23 | 14 | 0 | .000 | 0 | 6 | .429 | 50 | 3.6 | 9 | 4 | .444 | 92.8 | .637 |
| Sean Manaea* | Tex | sp | 29 | 18 | 0 | .000 | 0 | 7 | .389 | 79 | 4.4 | 6 | 3 | .500 | 89.9 | .640 |
| Dillon Maples | LAA | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 10 | .500 | 25.1 | .544 |
| Nick Margevicius* | Bos | sp | 25 | 24 | 0 | .000 | 0 | 7 | .292 | 119 | 5.0 | 21 | 14 | .667 | 89.4 | .643 |
| Evan Marshall | Min | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 1 | .100 | 25.0 | .592 |
| Carlos Martinez | Det | sp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 16.2 | .654 |
| Steven Matz* | Tex | sp | 30 | 26 | 0 | .000 | 0 | 10 | .385 | 118 | 4.5 | 15 | 7 | .467 | 89.2 | .619 |
| Mike Mayers | KCR | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 6 | .214 | 21.7 | .613 |
| Kevin McCarthy | Was | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 18.4 | .620 |
| Brendan McKay* | Was | sp | 25 | 24 | 0 | .000 | 0 | 12 | .500 | 92 | 3.8 | 20 | 9 | .450 | 93.3 | .628 |
| Nick Mears | LAA | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 25.2 | .586 |
| Mark Melancon | NYY | cl | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 10 | .556 | 20.2 | .634 |
| Julian Merryweather | Tor | sp | 29 | 4 | 0 | .000 | 0 | 1 | .250 | 14 | 3.5 | 4 | 1 | .250 | 93.5 | .639 |
| Keynan Middleton | Cle | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 22.0 | .523 |
| Andrew Miller* | Bal | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 18.1 | .600 |
| Mike Minor* | NYY | sp | 33 | 22 | 3 | .136 | 1 | 13 | .591 | 83 | 3.8 | 10 | 4 | .400 | 107.6 | .640 |
| A.J. Minter* | NYY | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 4 | .211 | 18.5 | .597 |
| Rafael Montero | Det | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 6 | .429 | 20.4 | .667 |
| Jordan Montgomery* | Bal | sp | 28 | 17 | 2 | .118 | 0 | 7 | .412 | 77 | 4.5 | 17 | 9 | .529 | 94.9 | .620 |
| Adam Morgan* | Bos | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 0 | .000 | 16.8 | .638 |
| Reyes Moronta | Cle | rp | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 6 | .214 | 16.5 | .573 |
| Ljay Newsome | KCR | sp | 24 | 9 | 0 | .000 | 0 | 4 | .444 | 42 | 4.7 | 8 | 3 | .375 | 80.8 | .686 |
| Darren O'Day | Min | mr | 38 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 14.6 | .637 |
| Scott Oberg | ChW | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 3 | .250 | 22.1 | .607 |
| Jake Odorizzi | Sea | sp | 31 | 28 | 1 | .036 | 1 | 15 | .536 | 134 | 4.8 | 12 | 5 | .417 | 96.9 | .633 |
| Shohei Ohtani | ChW | dh | 26 | 12 | 0 | .000 | 0 | 9 | .750 | 54 | 4.5 | 7 | 1 | .143 | 107.3 | .620 |
| Roberto Osuna | Tor | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 3 | .188 | 19.0 | .686 |
| Dan Otero | Sea | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 14.7 | .720 |
| Adam Ottavino | Oak | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 0 | .000 | 20.1 | .597 |
| Johan Oviedo | Tex | sp | 23 | 8 | 0 | .000 | 0 | 0 | .000 | 31 | 3.9 | 6 | 4 | .667 | 82.8 | .573 |
| Chris Paddack | Min | sp | 25 | 28 | 3 | .107 | 1 | 19 | .679 | 142 | 5.1 | 11 | 2 | .182 | 99.4 | .667 |
| Enoli Paredes | Min | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 2 | .133 | 28.3 | .583 |
| Luis Patino | Min | sp | 21 | 11 | 0 | .000 | 0 | 1 | .091 | 77 | 7.0 | 17 | 6 | .353 | 80.9 | .592 |
| James Paxton* | Sea | sp | 32 | 17 | 0 | .000 | 0 | 6 | .353 | 67 | 3.9 | 8 | 4 | .500 | 87.0 | .635 |
| Felix Pena | Bos | sp | 31 | 13 | 1 | .077 | 0 | 6 | .462 | 52 | 4.0 | 15 | 5 | .333 | 61.9 | .615 |
| Wandy Peralta* | KCR | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 5 | .500 | 12.1 | .619 |
| Cionel Perez* | Min | sp | 25 | 10 | 0 | .000 | 0 | 3 | .300 | 57 | 5.7 | 11 | 3 | .273 | 90.3 | .573 |
| Martin Perez* | Det | sp | 30 | 7 | 0 | .000 | 0 | 3 | .429 | 41 | 5.9 | 5 | 1 | .200 | 92.1 | .608 |
| Oliver Perez* | KCR | mr | 39 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 6 | .462 | 16.2 | .636 |
| David Phelps | Min | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 3 | .333 | 18.5 | .598 |
| Michael Pineda | LAA | sp | 32 | 22 | 2 | .091 | 0 | 11 | .500 | 92 | 4.2 | 12 | 3 | .250 | 95.2 | .668 |
| Nick Pivetta | Was | sp | 28 | 21 | 0 | .000 | 0 | 11 | .524 | 76 | 3.6 | 24 | 11 | .458 | 77.9 | .609 |
| Adam Plutko | Tor | sp | 29 | 10 | 0 | .000 | 0 | 4 | .400 | 46 | 4.6 | 5 | 1 | .200 | 93.1 | .641 |
| Drew Pomeranz* | Det | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 5 | .238 | 19.5 | .585 |
| Rick Porcello | ChW | sp | 32 | 29 | 1 | .034 | 0 | 8 | .276 | 120 | 4.1 | 26 | 14 | .538 | 93.6 | .639 |
| A.J. Puk* | ChW | mr | 26 | 12 | 0 | .000 | 0 | 3 | .250 | 62 | 5.2 | 22 | 7 | .318 | 66.2 | .579 |
| Cal Quantrill | Oak | sp | 26 | 25 | 0 | .000 | 0 | 6 | .240 | 129 | 5.2 | 19 | 8 | .421 | 94.7 | .609 |
| Jose Quintana* | KCR | sp | 32 | 27 | 0 | .000 | 0 | 11 | .407 | 115 | 4.3 | 19 | 12 | .632 | 85.1 | .618 |
| Tanner Rainey | Min | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 22.6 | .567 |
| Nick Ramirez* | Bal | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 28.6 | .602 |
| Drew Rasmussen | Min | sp | 25 | 15 | 0 | .000 | 0 | 5 | .333 | 68 | 4.5 | 14 | 6 | .429 | 91.5 | .587 |
| Robbie Ray* | Min | sp | 29 | 31 | 0 | .000 | 0 | 19 | .613 | 137 | 4.4 | 25 | 4 | .160 | 101.0 | .609 |
| Addison Reed | LAA | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 18.5 | .667 |
| Cody Reed* | Det | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 6 | .286 | 17.5 | .609 |
| Sean Reid-Foley | Tor | sp | 25 | 29 | 0 | .000 | 0 | 5 | .172 | 139 | 4.8 | 27 | 7 | .259 | 79.0 | .574 |
| Trevor Richards | Mtl | sp | 28 | 8 | 0 | .000 | 0 | 2 | .250 | 32 | 4.0 | 16 | 7 | .438 | 32.7 | .628 |
| Tanner Roark | Bal | sp | 34 | 23 | 0 | .000 | 0 | 8 | .348 | 118 | 5.1 | 12 | 3 | .250 | 89.4 | .625 |
| Hansel Robles | Bos | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 25.5 | .656 |
| Eduardo Rodriguez* | Bos | sp | 28 | 30 | 0 | .000 | 0 | 17 | .567 | 165 | 5.5 | 22 | 6 | .273 | 98.1 | .636 |
| Joely Rodriguez* | Tex | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 3 | .375 | 20.5 | .618 |
| Richard Rodriguez | Det | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 5 | .263 | 21.4 | .629 |
| Taylor Rogers* | Sea | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 14.7 | .668 |
| Trevor Rogers* | Det | sp | 23 | 22 | 0 | .000 | 0 | 10 | .455 | 134 | 6.1 | 14 | 5 | .357 | 89.4 | .608 |
| Tyler Rogers | ChW | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 4 | .154 | 21.0 | .591 |
| Jordan Romano | Tor | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 9 | .321 | 22.5 | .613 |
| Sal Romano | Bos | mr | 27 | 12 | 1 | .083 | 0 | 6 | .500 | 52 | 4.3 | 14 | 5 | .357 | 57.4 | .635 |
| Fernando Romero | Was | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 11 | .458 | 17.9 | .617 |
| JoJo Romero* | Sea | sp | 24 | 4 | 0 | .000 | 0 | 2 | .500 | 13 | 3.3 | 5 | 1 | .200 | 96.0 | .591 |
| Sergio Romo | Bos | cl | 38 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 18.8 | .643 |
| Randy Rosario* | Cle | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 8.8 | .686 |
| Tyson Ross | NYY | sp | 34 | 7 | 0 | .000 | 0 | 2 | .286 | 35 | 5.0 | 9 | 1 | .111 | 87.6 | .603 |
| Kyle Ryan* | Was | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 16.7 | .560 |
| Danny Salazar | Det | sp | 31 | 14 | 0 | .000 | 0 | 6 | .429 | 77 | 5.5 | 8 | 2 | .250 | 85.4 | .599 |
| Jeff Samardzija | Sea | sp | 36 | 25 | 1 | .040 | 0 | 16 | .640 | 111 | 4.4 | 10 | 2 | .200 | 99.2 | .639 |
| Tanner Scott* | Oak | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 8 | .364 | 22.5 | .573 |
| Paul Sewald | NYY | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 20.8 | .614 |
| Sterling Sharp | Tor | sp | 26 | 3 | 0 | .000 | 0 | 0 | .000 | 17 | 5.7 | 2 | 1 | .500 | 74.3 | .664 |
| Justus Sheffield* | Det | sp | 25 | 26 | 0 | .000 | 0 | 11 | .423 | 106 | 4.1 | 11 | 2 | .182 | 83.6 | .599 |
| Jimmie Sherfy | LAA | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 3 | .176 | 20.1 | .602 |
| Ryan Sherriff* | Tex | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 18.9 | .660 |
| Devin Smeltzer* | Bos | sp | 25 | 26 | 0 | .000 | 0 | 14 | .538 | 99 | 3.8 | 10 | 4 | .400 | 90.3 | .640 |
| Joe Smith | Bos | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 15.3 | .623 |
| Josh D. Smith* | Tor | mr | 31 | 2 | 0 | .000 | 0 | 0 | .000 | 14 | 7.0 | 12 | 5 | .417 | 29.2 | .563 |
| Will M. Smith* | Bal | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 17.1 | .625 |
| Drew Smyly* | Tor | sp | 32 | 20 | 0 | .000 | 0 | 4 | .200 | 110 | 5.5 | 13 | 9 | .692 | 95.4 | .628 |
| Chad Sobotka | NYY | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 16.9 | .639 |
| Gregory Soto* | Was | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 18.5 | .573 |
| Craig Stammen | Sea | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 18.9 | .642 |
| Cody Stashak | Tex | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 20.7 | .631 |
| Robert Stephenson | Sea | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 5 | .313 | 19.6 | .613 |
| Matt Strahm* | Mtl | mr | 29 | 8 | 0 | .000 | 0 | 0 | .000 | 66 | 8.3 | 16 | 4 | .250 | 39.7 | .613 |
| Cole Sulser | Cle | mr | 31 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 2 | 1 | .500 | 35.0 | .594 |
| Trey Supak | Tor | sp | 25 | 17 | 0 | .000 | 0 | 7 | .412 | 95 | 5.6 | 12 | 5 | .417 | 88.8 | .645 |
| Julio Teheran | Bal | sp | 30 | 29 | 0 | .000 | 0 | 9 | .310 | 120 | 4.1 | 16 | 3 | .188 | 92.9 | .604 |
| Trent Thornton | KCR | sp | 27 | 8 | 0 | .000 | 0 | 5 | .625 | 36 | 4.5 | 15 | 4 | .267 | 39.2 | .642 |
| Lewis Thorpe* | Mtl | sp | 25 | 9 | 0 | .000 | 0 | 2 | .222 | 36 | 4.0 | 33 | 9 | .273 | 23.1 | .637 |
| Touki Toussaint | NYY | sp | 25 | 17 | 0 | .000 | 0 | 6 | .353 | 99 | 5.8 | 11 | 3 | .273 | 95.1 | .598 |
| Lou Trivino | Cle | rp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 5 | .179 | 17.0 | .622 |
| Spencer Turnbull | Min | sp | 28 | 8 | 0 | .000 | 0 | 2 | .250 | 33 | 4.1 | 7 | 2 | .286 | 80.5 | .615 |
| Jose Urena | Mtl | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 46 | 7 | .152 | 17.1 | .611 |
| Julio Urias* | Min | mr | 24 | 4 | 0 | .000 | 0 | 1 | .250 | 21 | 5.3 | 33 | 7 | .212 | 27.1 | .615 |
| Justin Verlander | Cle | sp | 38 | 29 | 2 | .069 | 1 | 17 | .586 | 170 | 5.9 | 9 | 4 | .444 | 109.0 | .659 |
| Nick Vincent | Oak | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 22.0 | .686 |
| Michael Wacha | Tex | sp | 29 | 4 | 0 | .000 | 0 | 2 | .500 | 27 | 6.8 | 19 | 3 | .158 | 26.8 | .621 |
| Adam Wainwright | Oak | sp | 39 | 22 | 1 | .045 | 1 | 11 | .500 | 97 | 4.4 | 15 | 7 | .467 | 94.8 | .622 |
| Taijuan Walker | Oak | sp | 28 | 17 | 0 | .000 | 0 | 6 | .353 | 78 | 4.6 | 8 | 2 | .250 | 93.4 | .627 |
| Art Warren | Sea | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 1 | .250 | 16.0 | .603 |
| Logan Webb | Det | sp | 24 | 20 | 0 | .000 | 0 | 6 | .300 | 112 | 5.6 | 12 | 2 | .167 | 82.7 | .621 |
| Forrest Whitley | NYY | sp | 23 | 15 | 0 | .000 | 0 | 3 | .200 | 60 | 4.0 | 10 | 5 | .500 | 92.6 | .598 |
| Kodi Whitley | Cle | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 40 | 7 | .175 | 17.9 | .598 |
| Devin Williams | KCR | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 67 | 19 | .284 | 21.8 | .558 |
| Trevor Williams | LAA | sp | 29 | 26 | 1 | .038 | 0 | 12 | .462 | 142 | 5.5 | 22 | 8 | .364 | 96.9 | .625 |
| Bryse Wilson | KCR | sp | 23 | 21 | 0 | .000 | 0 | 7 | .333 | 111 | 5.3 | 4 | 0 | .000 | 85.3 | .637 |
| Matt Wisler | Tex | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 21.9 | .667 |
| Nick Wittgren | Sea | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 3 | .167 | 15.9 | .674 |
| Alex Wood* | ChW | sp | 30 | 18 | 0 | .000 | 0 | 12 | .667 | 89 | 4.9 | 15 | 5 | .333 | 99.2 | .646 |
| Brandon Woodruff | Cle | sp | 28 | 23 | 0 | .000 | 0 | 10 | .435 | 123 | 5.3 | 16 | 9 | .563 | 92.7 | .626 |
| Shun Yamaguchi | Tor | sp | 33 | 23 | 0 | .000 | 0 | 12 | .522 | 100 | 4.3 | 23 | 9 | .391 | 99.4 | .603 |
| Jordan Yamamoto | Bal | sp | 25 | 25 | 0 | .000 | 0 | 10 | .400 | 93 | 3.7 | 21 | 9 | .429 | 92.9 | .606 |
| Ryan Yarbrough* | Mtl | sp | 29 | 14 | 0 | .000 | 0 | 8 | .571 | 63 | 4.5 | 22 | 8 | .364 | 40.4 | .653 |
| Eric Yardley | Tex | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 8 | .444 | 28.5 | .649 |
| Tyler Zuber | Min | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 19.6 | .636 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | NP/G | STR% |
| Albert Abreu | Bal | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 109.0 | .642 |
| Bryan Abreu | Oak | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 94.8 | .562 |
| Dario Agrazal | Tex | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 82.1 | .657 |
| Keegan Akin* | LAA | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 87.2 | .590 |
| Scott Alexander* | Mtl | mr | 31 | 11 | 4 | .364 | 5 | .455 | 16 | 54 | 14 | .259 | 57 | 57 | 11 | 14.5 | .641 |
| Tyler John Alexander* | NYY | sp | 29 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 2 | 1.000 | 7 | 2 | 0 | 76.9 | .675 |
| Yency Almonte | Bos | mr | 27 | 12 | 7 | .583 | 3 | .250 | 14 | 37 | 12 | .324 | 65 | 65 | 22 | 18.4 | .586 |
| Dan Altavilla | Cle | mr | 28 | 4 | 3 | .750 | 1 | .250 | 1 | 6 | 4 | .667 | 14 | 14 | 6 | 20.2 | .587 |
| Jose Alvarado* | Det | mr | 26 | 4 | 0 | .000 | 1 | .250 | 11 | 20 | 3 | .150 | 47 | 47 | 8 | 17.7 | .567 |
| Jose Alvarez* | Bos | mr | 32 | 6 | 6 | 1.000 | 0 | .000 | 11 | 31 | 8 | .258 | 50 | 50 | 16 | 16.4 | .644 |
| Adbert Alzolay | Tex | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 80.0 | .571 |
| Brett Anderson* | Mtl | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 75.7 | .628 |
| Tejay Antone | KCR | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 15 | 5 | 3 | 65.6 | .618 |
| Luis Avilan* | Tor | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 4 | 7 | 1 | .143 | 12 | 12 | 4 | 18.2 | .596 |
| Michel Baez | Was | mr | 25 | 14 | 9 | .643 | 5 | .357 | 1 | 35 | 23 | .657 | 46 | 46 | 22 | 19.5 | .589 |
| Pedro Baez | NYY | mr | 33 | 4 | 2 | .500 | 2 | .500 | 6 | 21 | 10 | .476 | 37 | 37 | 15 | 16.6 | .622 |
| Scott Barlow | LAA | mr | 28 | 9 | 4 | .444 | 5 | .556 | 5 | 30 | 12 | .400 | 50 | 50 | 20 | 22.1 | .607 |
| Matt Barnes | ChW | mr | 31 | 6 | 4 | .667 | 2 | .333 | 11 | 31 | 8 | .258 | 48 | 48 | 16 | 21.9 | .583 |
| Jaime Barria | Was | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 95.0 | .631 |
| Chris Bassitt | ChW | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 95.8 | .624 |
| David Bednar | Min | mr | 26 | 15 | 10 | .667 | 3 | .200 | 18 | 37 | 9 | .243 | 60 | 60 | 19 | 19.0 | .612 |
| Jalen Beeks* | Det | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 5 | 2 | 1 | 62.0 | .581 |
| Chad Bettis | Bos | mr | 32 | 1 | 1 | 1.000 | 0 | .000 | 1 | 14 | 3 | .214 | 33 | 21 | 7 | 45.3 | .646 |
| Joe Biagini | Tor | mr | 31 | 9 | 6 | .667 | 1 | .111 | 9 | 41 | 15 | .366 | 57 | 57 | 26 | 20.8 | .623 |
| Brandon Bielak | Bal | sp | 25 | 4 | 2 | .500 | 1 | .250 | 3 | 32 | 15 | .469 | 44 | 41 | 11 | 32.6 | .600 |
| Ty Blach* | Bos | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 92.5 | .632 |
| Paul Blackburn | Mtl | sp | 27 | 1 | 0 | .000 | 0 | .000 | 1 | 7 | 2 | .286 | 20 | 12 | 4 | 36.9 | .634 |
| Richard Bleier* | ChW | mr | 34 | 8 | 5 | .625 | 3 | .375 | 7 | 43 | 12 | .279 | 42 | 42 | 16 | 16.6 | .700 |
| Matthew Bowman | ChW | mr | 30 | 5 | 5 | 1.000 | 0 | .000 | 6 | 40 | 16 | .400 | 41 | 41 | 16 | 23.5 | .622 |
| Brad Brach | Oak | mr | 35 | 2 | 0 | .000 | 1 | .500 | 9 | 21 | 6 | .286 | 35 | 35 | 13 | 23.8 | .629 |
| Archie Bradley | Bal | mr | 28 | 5 | 2 | .400 | 2 | .400 | 13 | 33 | 13 | .394 | 63 | 63 | 24 | 19.1 | .626 |
| John Brebbia | Bal | mr | 31 | 2 | 0 | .000 | 0 | .000 | 9 | 34 | 10 | .294 | 50 | 50 | 18 | 20.3 | .618 |
| Colten Brewer | Mtl | mr | 28 | 12 | 6 | .500 | 6 | .500 | 15 | 40 | 16 | .400 | 58 | 58 | 20 | 17.4 | .635 |
| Zack Britton* | Min | mr | 33 | 3 | 3 | 1.000 | 0 | .000 | 2 | 6 | 3 | .500 | 9 | 9 | 4 | 12.8 | .600 |
| Connor Brogdon | Tex | mr | 26 | 1 | 0 | .000 | 1 | 1.000 | 10 | 17 | 4 | .235 | 53 | 53 | 20 | 21.7 | .588 |
| JT Brubaker | KCR | sp | 27 | 7 | 6 | .857 | 1 | .143 | 0 | 27 | 8 | .296 | 25 | 25 | 21 | 22.1 | .600 |
| Madison Bumgarner* | Mtl | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 94.9 | .634 |
| Aaron Bummer* | Sea | mr | 27 | 4 | 1 | .250 | 3 | .750 | 17 | 19 | 5 | .263 | 47 | 47 | 8 | 15.6 | .602 |
| Dylan Bundy | NYY | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 99.0 | .641 |
| Corbin Burnes | Was | mr | 26 | 0 | 0 | .000 | 0 | .000 | 3 | 6 | 2 | .333 | 25 | 11 | 0 | 61.4 | .621 |
| Ty Buttrey | Tor | mr | 28 | 6 | 5 | .833 | 1 | .167 | 18 | 47 | 11 | .234 | 63 | 63 | 20 | 20.2 | .631 |
| Genesis Cabrera* | Tor | sp | 24 | 7 | 3 | .429 | 3 | .429 | 7 | 54 | 19 | .352 | 68 | 68 | 13 | 24.4 | .597 |
| Griffin Canning | Sea | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 89.0 | .589 |
| Daniel Castano* | Det | sp | 26 | 2 | 1 | .500 | 1 | .500 | 3 | 29 | 10 | .345 | 40 | 40 | 25 | 35.5 | .603 |
| Diego Castillo | Min | mr | 27 | 37 | 28 | .757 | 9 | .243 | 3 | 43 | 13 | .302 | 58 | 58 | 47 | 18.0 | .631 |
| Jose Castillo* | NYY | mr | 25 | 5 | 1 | .200 | 3 | .600 | 10 | 30 | 9 | .300 | 44 | 44 | 12 | 19.3 | .634 |
| Luis Cessa | NYY | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 4 | 27 | 8 | .296 | 47 | 47 | 19 | 26.5 | .645 |
| Tyler Chatwood | ChW | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 2 | 18 | 3 | .167 | 28 | 14 | 6 | 53.4 | .577 |
| Jesse Chavez | Tex | mr | 37 | 2 | 0 | .000 | 2 | 1.000 | 5 | 6 | 3 | .500 | 17 | 17 | 4 | 25.6 | .609 |
| Steve Cishek | Oak | mr | 35 | 3 | 1 | .333 | 2 | .667 | 7 | 26 | 11 | .423 | 37 | 37 | 10 | 24.5 | .587 |
| Jose Cisnero | NYY | mr | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 0 | .000 | 3 | 3 | 0 | 19.3 | .569 |
| Taylor Clarke | Bos | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 89.5 | .619 |
| Emmanuel Clase | Det | mr | 23 | 3 | 0 | .000 | 2 | .667 | 7 | 29 | 7 | .241 | 48 | 48 | 6 | 19.2 | .675 |
| Alex Claudio* | Cle | rp | 29 | 10 | 3 | .300 | 3 | .300 | 22 | 64 | 11 | .172 | 70 | 70 | 15 | 11.6 | .635 |
| Garrett Cleavinger* | Cle | mr | 27 | 4 | 2 | .500 | 0 | .000 | 5 | 34 | 5 | .147 | 44 | 44 | 11 | 22.7 | .560 |
| Tyler Clippard | Sea | mr | 36 | 4 | 3 | .750 | 1 | .250 | 3 | 13 | 5 | .385 | 32 | 32 | 17 | 17.7 | .597 |
| Gerrit Cole | Oak | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 112.9 | .656 |
| Adam Conley* | Was | mr | 31 | 2 | 1 | .500 | 1 | .500 | 0 | 7 | 1 | .143 | 6 | 6 | 2 | 15.2 | .681 |
| Sam Coonrod | Oak | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 0 | 4 | 1 | .250 | 16 | 16 | 9 | 18.8 | .607 |
| Jimmy Cordero | Mtl | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 0 | .000 | 5 | 5 | 2 | 14.2 | .648 |
| Jharel Cotton | Oak | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 86.1 | .612 |
| Kyle Crick | Oak | mr | 28 | 2 | 0 | .000 | 2 | 1.000 | 7 | 9 | 6 | .667 | 28 | 28 | 9 | 27.0 | .574 |
| Tucker Davidson* | Cle | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 78.0 | .584 |
| Zach Davies | KCR | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 27 | 1 | 1 | 82.8 | .616 |
| Grant Dayton* | LAA | mr | 33 | 1 | 1 | 1.000 | 0 | .000 | 4 | 20 | 2 | .100 | 30 | 30 | 8 | 21.5 | .591 |
| Jose De Leon | Tor | sp | 28 | 1 | 0 | .000 | 1 | 1.000 | 7 | 35 | 21 | .600 | 34 | 34 | 1 | 20.5 | .616 |
| Chris Devenski | Sea | mr | 30 | 4 | 2 | .500 | 2 | .500 | 7 | 30 | 15 | .500 | 53 | 53 | 12 | 18.9 | .676 |
| Edwin Diaz | Oak | cl | 27 | 35 | 29 | .829 | 6 | .171 | 0 | 25 | 8 | .320 | 53 | 53 | 46 | 19.7 | .631 |
| Phillip Diehl* | ChW | mr | 26 | 12 | 8 | .667 | 4 | .333 | 10 | 45 | 10 | .222 | 55 | 55 | 25 | 19.9 | .627 |
| Randy Dobnak | Mtl | sp | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 14 | 3 | .214 | 42 | 22 | 2 | 52.5 | .648 |
| Danny Duffy* | Det | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.3 | .627 |
| Justin Dunn | Sea | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 95.4 | .606 |
| Dane Dunning | Bal | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 0 | 0 | 86.8 | .606 |
| Jon Duplantier | Was | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 86.8 | .589 |
| Sam Dyson | Mtl | mr | 33 | 1 | 0 | .000 | 0 | .000 | 1 | 9 | 3 | .333 | 12 | 12 | 1 | 19.5 | .632 |
| Zach Eflin | Was | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 27 | 1 | 1 | 84.0 | .625 |
| Jerad Eickhoff | Oak | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 77.7 | .613 |
| Robbie Erlin* | Tex | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 2 | 9 | 2 | .222 | 18 | 18 | 6 | 22.4 | .667 |
| Demarcus Evans | KCR | mr | 24 | 8 | 4 | .500 | 2 | .250 | 2 | 42 | 14 | .333 | 48 | 48 | 18 | 22.0 | .561 |
| Alex Faedo | Tex | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 84.3 | .640 |
| Peter Fairbanks | ChW | mr | 27 | 5 | 2 | .400 | 3 | .600 | 4 | 32 | 6 | .188 | 47 | 47 | 17 | 21.6 | .599 |
| Buck Farmer | Was | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 1 | 20 | 9 | .450 | 25 | 25 | 3 | 21.5 | .600 |
| Michael Feliz | Mtl | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 2 | 15 | 3 | .200 | 24 | 24 | 12 | 20.3 | .593 |
| J.P. Feyereisen | Min | mr | 28 | 7 | 5 | .714 | 2 | .286 | 16 | 16 | 4 | .250 | 41 | 41 | 15 | 22.1 | .596 |
| Mike Fiers | KCR | sp | 36 | 0 | 0 | .000 | 0 | .000 | 1 | 5 | 3 | .600 | 6 | 6 | 5 | 26.3 | .646 |
| Jack Flaherty | NYY | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 109.4 | .647 |
| Josh Fleming* | Mtl | sp | 25 | 1 | 0 | .000 | 0 | .000 | 8 | 25 | 4 | .160 | 41 | 37 | 9 | 29.4 | .641 |
| Dylan Floro | NYY | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 4 | 10 | 2 | .200 | 19 | 19 | 4 | 19.8 | .676 |
| Mike Foltynewicz | Bal | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 93.0 | .614 |
| Matt Foster | LAA | mr | 26 | 2 | 2 | 1.000 | 0 | .000 | 2 | 18 | 7 | .389 | 23 | 23 | 4 | 29.6 | .651 |
| Kyle Freeland* | Tor | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 89.2 | .632 |
| Max Fried* | KCR | sp | 27 | 0 | 0 | .000 | 0 | .000 | 3 | 12 | 6 | .500 | 45 | 17 | 7 | 61.7 | .617 |
| Jace Fry* | Tor | mr | 27 | 5 | 4 | .800 | 1 | .200 | 12 | 28 | 5 | .179 | 46 | 46 | 17 | 16.4 | .577 |
| Paul Fry* | LAA | mr | 28 | 12 | 9 | .750 | 2 | .167 | 14 | 35 | 6 | .171 | 54 | 54 | 24 | 18.4 | .580 |
| Michael Fulmer | Det | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 92.3 | .638 |
| Zac Gallen | Min | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 103.9 | .623 |
| John Gant | KCR | mr | 28 | 14 | 3 | .214 | 8 | .571 | 17 | 62 | 24 | .387 | 101 | 101 | 24 | 18.1 | .595 |
| Edgar Garcia | Was | mr | 24 | 13 | 9 | .692 | 4 | .308 | 3 | 31 | 15 | .484 | 56 | 56 | 27 | 20.6 | .593 |
| Rico Garcia | Mtl | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 66.3 | .600 |
| Sam Gaviglio | Was | mr | 31 | 2 | 1 | .500 | 1 | .500 | 7 | 25 | 7 | .280 | 49 | 49 | 15 | 25.4 | .642 |
| Joey Gerber | Was | mr | 24 | 1 | 0 | .000 | 1 | 1.000 | 1 | 22 | 9 | .409 | 36 | 36 | 13 | 23.7 | .578 |
| Domingo German | Bal | sp | 28 | 3 | 0 | .000 | 3 | 1.000 | 4 | 4 | 1 | .250 | 26 | 11 | 5 | 64.9 | .624 |
| Ken Giles | Sea | cl | 30 | 3 | 0 | .000 | 3 | 1.000 | 13 | 16 | 8 | .500 | 41 | 41 | 12 | 16.1 | .637 |
| Lucas Giolito | ChW | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 109.4 | .637 |
| Austin Gomber* | Tex | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 8 | 1 | .125 | 32 | 18 | 7 | 50.9 | .599 |
| Stephen Gonsalves* | Min | sp | 26 | 5 | 0 | .000 | 1 | .200 | 26 | 48 | 12 | .250 | 63 | 63 | 5 | 17.3 | .585 |
| Marco Gonzales* | Sea | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 99.6 | .642 |
| Brusdar Graterol | Bos | mr | 22 | 4 | 2 | .500 | 2 | .500 | 6 | 23 | 10 | .435 | 35 | 35 | 9 | 22.3 | .591 |
| Chad Green | NYY | mr | 30 | 4 | 2 | .500 | 1 | .250 | 12 | 18 | 2 | .111 | 50 | 50 | 17 | 18.0 | .645 |
| Justin Grimm | Tor | mr | 32 | 2 | 1 | .500 | 0 | .000 | 0 | 18 | 6 | .333 | 18 | 18 | 8 | 23.8 | .621 |
| Robert Gsellman | Cle | rp | 27 | 4 | 0 | .000 | 3 | .750 | 9 | 41 | 13 | .317 | 60 | 60 | 11 | 18.7 | .626 |
| Javy A. Guerra | Bal | mr | 25 | 2 | 2 | 1.000 | 0 | .000 | 3 | 10 | 5 | .500 | 17 | 17 | 3 | 20.6 | .615 |
| Junior Guerra | Oak | mr | 36 | 2 | 2 | 1.000 | 0 | .000 | 5 | 22 | 4 | .182 | 39 | 39 | 15 | 24.9 | .623 |
| Josh Hader* | NYY | cl | 27 | 36 | 30 | .833 | 6 | .167 | 4 | 32 | 8 | .250 | 63 | 63 | 46 | 20.5 | .627 |
| Cole Hamels* | Oak | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 99.0 | .617 |
| Ian Hamilton | Tex | mr | 26 | 3 | 1 | .333 | 2 | .667 | 2 | 7 | 1 | .143 | 20 | 20 | 11 | 18.1 | .613 |
| Brad Hand* | Oak | cl | 31 | 6 | 4 | .667 | 1 | .167 | 15 | 22 | 6 | .273 | 45 | 45 | 7 | 19.6 | .669 |
| J.A. Happ* | Det | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 87.0 | .630 |
| Ryne Harper | Bal | mr | 32 | 3 | 2 | .667 | 1 | .333 | 11 | 22 | 6 | .273 | 41 | 41 | 14 | 20.7 | .634 |
| Hunter Harvey | LAA | mr | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 10 | 4 | .400 | 21 | 17 | 9 | 32.2 | .600 |
| Taylor Hearn* | LAA | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 88.6 | .574 |
| Ryan Helsley | LAA | mr | 26 | 3 | 0 | .000 | 3 | 1.000 | 4 | 9 | 5 | .556 | 20 | 15 | 3 | 39.3 | .569 |
| Kyle Hendricks | Cle | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 95.8 | .648 |
| Darwinzon Hernandez* | NYY | mr | 24 | 1 | 0 | .000 | 0 | .000 | 2 | 9 | 4 | .444 | 16 | 16 | 4 | 17.0 | .551 |
| Elieser Hernandez | KCR | sp | 26 | 12 | 5 | .417 | 3 | .250 | 12 | 74 | 22 | .297 | 84 | 84 | 24 | 16.4 | .621 |
| Felix Hernandez | Sea | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 79.5 | .607 |
| Jonathan Hernandez | Cle | mr | 24 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 4 | 4 | 1 | 23.5 | .617 |
| Codi Heuer | Det | mr | 24 | 3 | 1 | .333 | 0 | .000 | 4 | 38 | 12 | .316 | 44 | 44 | 21 | 21.9 | .621 |
| Trevor Hildenberger | Tex | mr | 30 | 2 | 1 | .500 | 1 | .500 | 0 | 10 | 1 | .100 | 14 | 14 | 3 | 19.4 | .642 |
| Rich Hill* | Bal | sp | 41 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 93.4 | .619 |
| Jeff Hoffman | Tex | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 88.9 | .601 |
| Greg Holland | Bos | cl | 35 | 9 | 3 | .333 | 3 | .333 | 14 | 28 | 12 | .429 | 47 | 47 | 10 | 15.4 | .584 |
| Clay Holmes | LAA | mr | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 0 | .000 | 23 | 14 | 5 | 52.3 | .568 |
| Brent Honeywell | Cle | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 79.9 | .620 |
| Tanner Houck | LAA | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 19 | 3 | 2 | 81.3 | .596 |
| Dakota Hudson | KCR | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 82.6 | .595 |
| Jared Hughes | ChW | mr | 35 | 5 | 1 | .200 | 3 | .600 | 9 | 31 | 13 | .419 | 48 | 48 | 15 | 18.4 | .617 |
| Luke Jackson | Bos | cl | 29 | 12 | 9 | .750 | 2 | .167 | 6 | 44 | 10 | .227 | 59 | 59 | 23 | 22.6 | .618 |
| Josh James | Mtl | mr | 28 | 3 | 2 | .667 | 1 | .333 | 6 | 33 | 12 | .364 | 50 | 45 | 10 | 28.2 | .610 |
| Cristian Javier | NYY | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 98.3 | .582 |
| Dany Jimenez | Tex | mr | 27 | 13 | 10 | .769 | 3 | .231 | 3 | 28 | 9 | .321 | 41 | 41 | 29 | 23.1 | .617 |
| Joe Jimenez | Cle | cl | 26 | 35 | 31 | .886 | 4 | .114 | 1 | 25 | 5 | .200 | 50 | 50 | 42 | 17.1 | .649 |
| Jakob Junis | LAA | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 90.2 | .640 |
| Tommy Kahnle | Mtl | mr | 31 | 27 | 20 | .741 | 7 | .259 | 13 | 39 | 14 | .359 | 56 | 56 | 30 | 15.4 | .602 |
| Rob Kaminsky* | Was | mr | 26 | 4 | 1 | .250 | 2 | .500 | 11 | 44 | 18 | .409 | 64 | 64 | 14 | 15.4 | .552 |
| Keone Kela | LAA | mr | 28 | 10 | 7 | .700 | 3 | .300 | 8 | 17 | 7 | .412 | 34 | 34 | 17 | 18.6 | .618 |
| Brad Keller | Cle | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 90.9 | .601 |
| Mitch Keller | Cle | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 79.2 | .586 |
| Ian Kennedy | LAA | cl | 36 | 8 | 3 | .375 | 5 | .625 | 0 | 19 | 9 | .474 | 19 | 19 | 11 | 16.8 | .616 |
| Dallas Keuchel* | LAA | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 99.6 | .627 |
| Michael King | Tex | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 86.8 | .652 |
| Adam Kolarek* |   | mr | 32 | 9 | 6 | .667 | 3 | .333 | 13 | 22 | 8 | .364 | 48 | 48 | 16 | 17.3 | .639 |
| Chad Kuhl | Was | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 99.9 | .613 |
| Peter Lambert | Tor | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 1 | 1 | 85.5 | .637 |
| Dinelson Lamet | NYY | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 95.3 | .577 |
| Eric Lauer* | Min | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 88.7 | .626 |
| Mike Leake | Sea | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.6 | .661 |
| Jose Leclerc | Det | cl | 27 | 21 | 19 | .905 | 2 | .095 | 8 | 40 | 11 | .275 | 54 | 54 | 32 | 19.3 | .621 |
| Jon Lester* | ChW | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.3 | .616 |
| Francisco Liriano* | Min | mr | 37 | 3 | 2 | .667 | 1 | .333 | 13 | 26 | 4 | .154 | 41 | 41 | 9 | 13.9 | .583 |
| Zack Littell | Was | mr | 25 | 8 | 4 | .500 | 4 | .500 | 13 | 39 | 11 | .282 | 72 | 72 | 20 | 18.5 | .611 |
| Walker Lockett | Sea | sp | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 16 | 4 | .250 | 15 | 15 | 3 | 24.1 | .604 |
| Pablo Lopez | Mtl | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 93.3 | .642 |
| Yoan Lopez | Cle | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 6 | 26 | 10 | .385 | 36 | 36 | 11 | 18.0 | .578 |
| Richard Lovelady* | Cle | rp | 25 | 6 | 1 | .167 | 2 | .333 | 11 | 33 | 14 | .424 | 60 | 60 | 17 | 14.1 | .648 |
| Seth Lugo | Bal | mr | 31 | 39 | 32 | .821 | 7 | .179 | 2 | 29 | 6 | .207 | 65 | 65 | 54 | 18.3 | .630 |
| Jesus Luzardo* | Was | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 92.8 | .637 |
| Sean Manaea* | Tex | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 89.9 | .640 |
| Dillon Maples | LAA | mr | 29 | 6 | 3 | .500 | 3 | .500 | 10 | 24 | 8 | .333 | 40 | 40 | 14 | 25.1 | .544 |
| Nick Margevicius* | Bos | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 89.4 | .643 |
| Evan Marshall | Min | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 3 | 11 | 3 | .273 | 15 | 15 | 6 | 25.0 | .592 |
| Carlos Martinez | Det | sp | 29 | 0 | 0 | .000 | 0 | .000 | 4 | 1 | 0 | .000 | 10 | 10 | 0 | 16.2 | .654 |
| Steven Matz* | Tex | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 89.2 | .619 |
| Mike Mayers | KCR | mr | 29 | 4 | 1 | .250 | 2 | .500 | 3 | 38 | 9 | .237 | 46 | 46 | 15 | 21.7 | .613 |
| Kevin McCarthy | Was | mr | 29 | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 0 | .000 | 7 | 7 | 2 | 18.4 | .620 |
| Brendan McKay* | Was | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 93.3 | .628 |
| Nick Mears | LAA | mr | 24 | 0 | 0 | .000 | 0 | .000 | 4 | 18 | 4 | .222 | 31 | 31 | 4 | 25.2 | .586 |
| Mark Melancon | NYY | cl | 36 | 4 | 1 | .250 | 2 | .500 | 10 | 26 | 13 | .500 | 40 | 40 | 13 | 20.2 | .634 |
| Julian Merryweather | Tor | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 93.5 | .639 |
| Keynan Middleton | Cle | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 4 | 4 | 0 | 22.0 | .523 |
| Andrew Miller* | Bal | mr | 36 | 1 | 0 | .000 | 1 | 1.000 | 10 | 24 | 4 | .167 | 39 | 39 | 8 | 18.1 | .600 |
| Mike Minor* | NYY | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 107.6 | .640 |
| A.J. Minter* | NYY | mr | 27 | 7 | 2 | .286 | 4 | .571 | 11 | 33 | 19 | .576 | 48 | 48 | 13 | 18.5 | .597 |
| Rafael Montero | Det | mr | 30 | 5 | 2 | .400 | 3 | .600 | 6 | 18 | 3 | .167 | 41 | 41 | 12 | 20.4 | .667 |
| Jordan Montgomery* | Bal | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 94.9 | .620 |
| Adam Morgan* | Bos | mr | 31 | 4 | 1 | .250 | 2 | .500 | 8 | 12 | 3 | .250 | 27 | 27 | 3 | 16.8 | .638 |
| Reyes Moronta | Cle | rp | 28 | 7 | 3 | .429 | 3 | .429 | 13 | 40 | 15 | .375 | 57 | 57 | 9 | 16.5 | .573 |
| Ljay Newsome | KCR | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 0 | 0 | 80.8 | .686 |
| Darren O'Day | Min | mr | 38 | 4 | 1 | .250 | 0 | .000 | 7 | 8 | 0 | .000 | 19 | 19 | 2 | 14.6 | .637 |
| Scott Oberg | ChW | mr | 31 | 16 | 10 | .625 | 6 | .375 | 6 | 34 | 8 | .235 | 40 | 40 | 21 | 22.1 | .607 |
| Jake Odorizzi | Sea | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 96.9 | .633 |
| Shohei Ohtani | ChW | dh | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 107.3 | .620 |
| Roberto Osuna | Tor | cl | 26 | 29 | 21 | .724 | 8 | .276 | 3 | 41 | 12 | .293 | 56 | 56 | 41 | 19.0 | .686 |
| Dan Otero | Sea | mr | 36 | 1 | 1 | 1.000 | 0 | .000 | 0 | 9 | 3 | .333 | 9 | 9 | 2 | 14.7 | .720 |
| Adam Ottavino | Oak | mr | 35 | 3 | 1 | .333 | 2 | .667 | 16 | 26 | 7 | .269 | 47 | 47 | 13 | 20.1 | .597 |
| Johan Oviedo | Tex | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 82.8 | .573 |
| Chris Paddack | Min | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 99.4 | .667 |
| Enoli Paredes | Min | mr | 25 | 1 | 1 | 1.000 | 0 | .000 | 6 | 20 | 7 | .350 | 34 | 34 | 12 | 28.3 | .583 |
| Luis Patino | Min | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 80.9 | .592 |
| James Paxton* | Sea | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 87.0 | .635 |
| Felix Pena | Bos | sp | 31 | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 5 | .833 | 25 | 12 | 2 | 61.9 | .615 |
| Wandy Peralta* | KCR | mr | 29 | 8 | 2 | .250 | 4 | .500 | 4 | 23 | 8 | .348 | 31 | 31 | 7 | 12.1 | .619 |
| Cionel Perez* | Min | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 90.3 | .573 |
| Martin Perez* | Det | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 92.1 | .608 |
| Oliver Perez* | KCR | mr | 39 | 3 | 2 | .667 | 1 | .333 | 6 | 33 | 11 | .333 | 42 | 42 | 17 | 16.2 | .636 |
| David Phelps | Min | mr | 34 | 2 | 0 | .000 | 2 | 1.000 | 9 | 20 | 3 | .150 | 35 | 35 | 10 | 18.5 | .598 |
| Michael Pineda | LAA | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 95.2 | .668 |
| Nick Pivetta | Was | sp | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 1 | 1.000 | 27 | 6 | 3 | 77.9 | .609 |
| Adam Plutko | Tor | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 93.1 | .641 |
| Drew Pomeranz* | Det | mr | 32 | 13 | 9 | .692 | 3 | .231 | 10 | 25 | 3 | .120 | 51 | 51 | 18 | 19.5 | .585 |
| Rick Porcello | ChW | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 93.6 | .639 |
| A.J. Puk* | ChW | mr | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 3 | 1 | .333 | 18 | 6 | 0 | 66.2 | .579 |
| Cal Quantrill | Oak | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.7 | .609 |
| Jose Quintana* | KCR | sp | 32 | 2 | 1 | .500 | 1 | .500 | 1 | 0 | 0 | .000 | 30 | 3 | 2 | 85.1 | .618 |
| Tanner Rainey | Min | mr | 28 | 2 | 1 | .500 | 1 | .500 | 5 | 16 | 3 | .188 | 19 | 19 | 8 | 22.6 | .567 |
| Nick Ramirez* | Bal | mr | 31 | 1 | 0 | .000 | 1 | 1.000 | 4 | 31 | 10 | .323 | 42 | 42 | 9 | 28.6 | .602 |
| Drew Rasmussen | Min | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 91.5 | .587 |
| Robbie Ray* | Min | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 101.0 | .609 |
| Addison Reed | LAA | mr | 32 | 3 | 1 | .333 | 2 | .667 | 3 | 33 | 18 | .545 | 40 | 40 | 11 | 18.5 | .667 |
| Cody Reed* | Det | mr | 28 | 3 | 1 | .333 | 1 | .333 | 11 | 23 | 2 | .087 | 49 | 49 | 14 | 17.5 | .609 |
| Sean Reid-Foley | Tor | sp | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 1 | .250 | 31 | 2 | 1 | 79.0 | .574 |
| Trevor Richards | Mtl | sp | 28 | 1 | 1 | 1.000 | 0 | .000 | 0 | 21 | 4 | .190 | 36 | 28 | 11 | 32.7 | .628 |
| Tanner Roark | Bal | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 89.4 | .625 |
| Hansel Robles | Bos | cl | 30 | 7 | 5 | .714 | 1 | .143 | 5 | 32 | 8 | .250 | 42 | 42 | 18 | 25.5 | .656 |
| Eduardo Rodriguez* | Bos | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 98.1 | .636 |
| Joely Rodriguez* | Tex | mr | 29 | 6 | 5 | .833 | 0 | .000 | 6 | 17 | 3 | .176 | 41 | 41 | 20 | 20.5 | .618 |
| Richard Rodriguez | Det | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 7 | 38 | 18 | .474 | 47 | 47 | 15 | 21.4 | .629 |
| Taylor Rogers* | Sea | cl | 30 | 36 | 31 | .861 | 5 | .139 | 1 | 28 | 8 | .286 | 50 | 50 | 45 | 14.7 | .668 |
| Trevor Rogers* | Det | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 89.4 | .608 |
| Tyler Rogers | ChW | mr | 30 | 13 | 9 | .692 | 4 | .308 | 4 | 42 | 9 | .214 | 55 | 55 | 26 | 21.0 | .591 |
| Jordan Romano | Tor | mr | 28 | 9 | 2 | .222 | 5 | .556 | 13 | 41 | 14 | .341 | 62 | 62 | 17 | 22.5 | .613 |
| Sal Romano | Bos | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 13 | 5 | .385 | 25 | 13 | 5 | 57.4 | .635 |
| Fernando Romero | Was | mr | 26 | 4 | 2 | .500 | 2 | .500 | 10 | 43 | 12 | .279 | 63 | 63 | 28 | 17.9 | .617 |
| JoJo Romero* | Sea | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 96.0 | .591 |
| Sergio Romo | Bos | cl | 38 | 11 | 8 | .727 | 2 | .182 | 4 | 21 | 3 | .143 | 42 | 42 | 24 | 18.8 | .643 |
| Randy Rosario* | Cle | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 0 | .000 | 4 | 4 | 1 | 8.8 | .686 |
| Tyson Ross | NYY | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 8 | 1 | 0 | 87.6 | .603 |
| Kyle Ryan* | Was | mr | 29 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 0 | .000 | 6 | 6 | 1 | 16.7 | .560 |
| Danny Salazar | Det | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 85.4 | .599 |
| Jeff Samardzija | Sea | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 99.2 | .639 |
| Tanner Scott* | Oak | mr | 26 | 2 | 2 | 1.000 | 0 | .000 | 11 | 15 | 5 | .333 | 51 | 51 | 19 | 22.5 | .573 |
| Paul Sewald | NYY | mr | 31 | 0 | 0 | .000 | 0 | .000 | 2 | 1 | 0 | .000 | 4 | 4 | 2 | 20.8 | .614 |
| Sterling Sharp | Tor | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 74.3 | .664 |
| Justus Sheffield* | Det | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 83.6 | .599 |
| Jimmie Sherfy | LAA | mr | 29 | 3 | 0 | .000 | 3 | 1.000 | 12 | 26 | 11 | .423 | 48 | 48 | 18 | 20.1 | .602 |
| Ryan Sherriff* | Tex | mr | 31 | 1 | 0 | .000 | 1 | 1.000 | 3 | 25 | 7 | .280 | 32 | 32 | 13 | 18.9 | .660 |
| Devin Smeltzer* | Bos | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 90.3 | .640 |
| Joe Smith | Bos | mr | 37 | 8 | 6 | .750 | 0 | .000 | 5 | 27 | 5 | .185 | 42 | 42 | 20 | 15.3 | .623 |
| Josh D. Smith* | Tor | mr | 31 | 3 | 2 | .667 | 1 | .333 | 3 | 9 | 4 | .444 | 19 | 17 | 6 | 29.2 | .563 |
| Will M. Smith* | Bal | cl | 31 | 6 | 2 | .333 | 3 | .500 | 16 | 23 | 6 | .261 | 52 | 52 | 13 | 17.1 | .625 |
| Drew Smyly* | Tor | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 95.4 | .628 |
| Chad Sobotka | NYY | mr | 27 | 5 | 2 | .400 | 2 | .400 | 3 | 15 | 5 | .333 | 19 | 19 | 8 | 16.9 | .639 |
| Gregory Soto* | Was | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 26 | 10 | .385 | 26 | 26 | 8 | 18.5 | .573 |
| Craig Stammen | Sea | mr | 37 | 3 | 2 | .667 | 1 | .333 | 9 | 32 | 13 | .406 | 58 | 58 | 20 | 18.9 | .642 |
| Cody Stashak | Tex | mr | 27 | 6 | 3 | .500 | 3 | .500 | 10 | 24 | 10 | .417 | 57 | 57 | 16 | 20.7 | .631 |
| Robert Stephenson | Sea | mr | 28 | 5 | 2 | .400 | 2 | .400 | 9 | 26 | 8 | .308 | 57 | 57 | 21 | 19.6 | .613 |
| Matt Strahm* | Mtl | mr | 29 | 2 | 1 | .500 | 0 | .000 | 0 | 5 | 0 | .000 | 18 | 10 | 1 | 39.7 | .613 |
| Cole Sulser | Cle | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 1 | .250 | 5 | 4 | 1 | 35.0 | .594 |
| Trey Supak | Tor | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 88.8 | .645 |
| Julio Teheran | Bal | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 92.9 | .604 |
| Trent Thornton | KCR | sp | 27 | 3 | 2 | .667 | 0 | .000 | 1 | 18 | 7 | .389 | 26 | 18 | 5 | 39.2 | .642 |
| Lewis Thorpe* | Mtl | sp | 25 | 3 | 1 | .333 | 0 | .000 | 14 | 43 | 8 | .186 | 61 | 52 | 10 | 23.1 | .637 |
| Touki Toussaint | NYY | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 95.1 | .598 |
| Lou Trivino | Cle | rp | 29 | 5 | 2 | .400 | 2 | .400 | 16 | 36 | 12 | .333 | 56 | 56 | 15 | 17.0 | .622 |
| Spencer Turnbull | Min | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 80.5 | .615 |
| Jose Urena | Mtl | mr | 29 | 4 | 1 | .250 | 1 | .250 | 13 | 35 | 13 | .371 | 65 | 65 | 18 | 17.1 | .611 |
| Julio Urias* | Min | mr | 24 | 4 | 2 | .500 | 2 | .500 | 19 | 35 | 11 | .314 | 51 | 47 | 8 | 27.1 | .615 |
| Justin Verlander | Cle | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 109.0 | .659 |
| Nick Vincent | Oak | mr | 34 | 2 | 1 | .500 | 1 | .500 | 2 | 24 | 4 | .167 | 31 | 31 | 12 | 22.0 | .686 |
| Michael Wacha | Tex | sp | 29 | 1 | 0 | .000 | 1 | 1.000 | 5 | 46 | 16 | .348 | 60 | 56 | 11 | 26.8 | .621 |
| Adam Wainwright | Oak | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 94.8 | .622 |
| Taijuan Walker | Oak | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 93.4 | .627 |
| Art Warren | Sea | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 1 | 11 | 3 | .273 | 17 | 17 | 6 | 16.0 | .603 |
| Logan Webb | Det | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 82.7 | .621 |
| Forrest Whitley | NYY | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 92.6 | .598 |
| Kodi Whitley | Cle | mr | 26 | 6 | 0 | .000 | 3 | .500 | 10 | 44 | 12 | .273 | 61 | 61 | 13 | 17.9 | .598 |
| Devin Williams | KCR | mr | 26 | 10 | 2 | .200 | 5 | .500 | 12 | 45 | 18 | .400 | 81 | 81 | 11 | 21.8 | .558 |
| Trevor Williams | LAA | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 96.9 | .625 |
| Bryse Wilson | KCR | sp | 23 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 1 | 1.000 | 23 | 2 | 1 | 85.3 | .637 |
| Matt Wisler | Tex | mr | 28 | 3 | 2 | .667 | 1 | .333 | 1 | 10 | 4 | .400 | 19 | 19 | 7 | 21.9 | .667 |
| Nick Wittgren | Sea | mr | 30 | 4 | 0 | .000 | 4 | 1.000 | 12 | 27 | 9 | .333 | 54 | 54 | 13 | 15.9 | .674 |
| Alex Wood* | ChW | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 99.2 | .646 |
| Brandon Woodruff | Cle | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 92.7 | .626 |
| Shun Yamaguchi | Tor | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 24 | 1 | 1 | 99.4 | .603 |
| Jordan Yamamoto | Bal | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 92.9 | .606 |
| Ryan Yarbrough* | Mtl | sp | 29 | 11 | 9 | .818 | 2 | .182 | 6 | 34 | 13 | .382 | 54 | 40 | 18 | 40.4 | .653 |
| Eric Yardley | Tex | mr | 30 | 6 | 2 | .333 | 4 | .667 | 1 | 22 | 11 | .500 | 41 | 41 | 15 | 28.5 | .649 |
| Tyler Zuber | Min | mr | 26 | 4 | 3 | .750 | 0 | .000 | 5 | 37 | 6 | .162 | 35 | 35 | 13 | 19.6 | .636 |