Pitching register -- 2021 National 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 |
| Austin L. Adams | Ari | mr | 30 | 6.58 | 1 | 5 | 0 | 34 | 0 | 0 | 0 | 39.2 | 40 | 29 | 29 | 25 | 64 | 8 | 4 |
| Jorge Alcala | Pit | sp | 25 | 4.69 | 2 | 4 | 0 | 56 | 0 | 0 | 0 | 80.2 | 69 | 48 | 42 | 40 | 51 | 9 | 11 |
| Sandy Alcantara | Mia | sp | 25 | 4.73 | 9 | 15 | 0 | 36 | 33 | 3 | 1 | 199.2 | 183 | 117 | 105 | 87 | 154 | 24 | 20 |
| Tyler John Alexander* | SDP | sp | 29 | 4.84 | 0 | 1 | 0 | 4 | 4 | 0 | 0 | 22.1 | 24 | 12 | 12 | 5 | 16 | 3 | 3 |
| Kolby Allard* |   | sp | 23 | 4.33 | 5 | 13 | 0 | 28 | 28 | 0 | 0 | 145.1 | 147 | 78 | 70 | 72 | 117 | 14 | 12 |
| Logan Allen* | Pit | sp | 24 | 4.77 | 8 | 5 | 0 | 22 | 22 | 1 | 0 | 115.0 | 119 | 63 | 61 | 37 | 105 | 20 | 17 |
| Ian Anderson | NYM | sp | 23 | 5.42 | 1 | 8 | 0 | 19 | 19 | 0 | 0 | 84.2 | 75 | 62 | 51 | 44 | 100 | 16 | 2 |
| Nick Anderson | Phi | mr | 30 | 2.02 | 3 | 0 | 8 | 45 | 0 | 0 | 0 | 58.0 | 32 | 14 | 13 | 12 | 86 | 7 | 3 |
| Shaun Anderson | Phi | sp | 26 | 4.24 | 4 | 4 | 1 | 24 | 8 | 2 | 0 | 70.0 | 79 | 35 | 33 | 17 | 51 | 10 | 4 |
| Tyler Anderson* | SFG | sp | 31 | 4.02 | 3 | 6 | 0 | 19 | 19 | 3 | 1 | 118.2 | 119 | 63 | 53 | 37 | 126 | 18 | 17 |
| Victor Arano | Mil | mr | 26 | 1.13 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 8.0 | 5 | 1 | 1 | 3 | 9 | 1 | 1 |
| Jake Arrieta | Mia | sp | 35 | 4.32 | 7 | 14 | 0 | 28 | 28 | 0 | 0 | 173.0 | 172 | 94 | 83 | 54 | 123 | 21 | 15 |
| Anthony Banda* | Cin | sp | 27 | 5.74 | 4 | 4 | 0 | 15 | 15 | 1 | 0 | 84.2 | 84 | 60 | 54 | 36 | 77 | 13 | 6 |
| Caleb Baragar* | LAD | sp | 27 | 4.84 | 3 | 7 | 5 | 66 | 0 | 0 | 0 | 83.2 | 76 | 52 | 45 | 39 | 63 | 14 | 5 |
| Kyle Barraclough | SFG | mr | 31 | 1.69 | 2 | 0 | 4 | 16 | 0 | 0 | 0 | 21.1 | 7 | 5 | 4 | 7 | 23 | 1 | 0 |
| Anthony Bass | ChC | mr | 33 | 2.25 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 8.0 | 7 | 3 | 2 | 0 | 4 | 0 | 0 |
| Trevor Bauer | Cin | sp | 30 | 5.20 | 11 | 14 | 0 | 31 | 31 | 3 | 0 | 193.2 | 195 | 114 | 112 | 68 | 217 | 31 | 14 |
| Cam Bedrosian |   | mr | 29 | 2.94 | 0 | 4 | 1 | 22 | 4 | 0 | 0 | 33.2 | 34 | 11 | 11 | 16 | 32 | 2 | 8 |
| Jose Berrios | LAD | sp | 27 | 4.46 | 11 | 15 | 0 | 31 | 31 | 0 | 0 | 201.2 | 190 | 106 | 100 | 69 | 207 | 34 | 11 |
| Dellin Betances | Phi | mr | 33 | 1.77 | 6 | 0 | 1 | 31 | 0 | 0 | 0 | 35.2 | 20 | 8 | 7 | 9 | 57 | 4 | 2 |
| Shane Bieber | Phi | sp | 26 | 3.46 | 16 | 2 | 0 | 30 | 30 | 1 | 0 | 192.1 | 179 | 80 | 74 | 23 | 231 | 23 | 10 |
| Ray Black | SDP | mr | 31 | 4.71 | 1 | 2 | 0 | 25 | 0 | 0 | 0 | 28.2 | 23 | 16 | 15 | 20 | 43 | 6 | 3 |
| Paul Blackburn | Pit | sp | 27 | 5.64 | 2 | 3 | 0 | 21 | 7 | 1 | 1 | 60.2 | 73 | 42 | 38 | 22 | 37 | 10 | 6 |
| Ronald Bolanos | Pit | sp | 24 | 4.83 | 6 | 5 | 0 | 50 | 11 | 0 | 0 | 117.1 | 103 | 64 | 63 | 63 | 96 | 14 | 11 |
| Ryan Borucki* | Cin | sp | 27 | 6.21 | 8 | 11 | 0 | 23 | 23 | 0 | 0 | 117.1 | 137 | 88 | 81 | 48 | 74 | 21 | 14 |
| James Bourque |   | mr | 27 | 4.53 | 1 | 2 | 1 | 30 | 0 | 0 | 0 | 47.2 | 53 | 27 | 24 | 23 | 57 | 8 | 3 |
| Matt Boyd* | ChC | sp | 30 | 5.10 | 6 | 15 | 0 | 31 | 31 | 2 | 0 | 185.1 | 199 | 121 | 105 | 47 | 215 | 31 | 10 |
| Silvino Bracho | SDP | mr | 28 | 4.93 | 1 | 3 | 1 | 23 | 0 | 0 | 0 | 34.2 | 29 | 22 | 19 | 9 | 55 | 5 | 0 |
| Ryan Brasier | Ari | mr | 33 | 2.75 | 4 | 1 | 3 | 46 | 0 | 0 | 0 | 52.1 | 46 | 19 | 16 | 16 | 52 | 7 | 2 |
| Steven Brault* | NYM | sp | 29 | 3.68 | 4 | 5 | 0 | 46 | 5 | 0 | 0 | 78.1 | 65 | 34 | 32 | 50 | 61 | 8 | 14 |
| Jeff Brigham | Atl | mr | 29 | 3.59 | 2 | 1 | 1 | 30 | 0 | 0 | 0 | 42.2 | 38 | 20 | 17 | 16 | 44 | 7 | 3 |
| Zack Britton* | NYM | mr | 33 | 3.21 | 1 | 3 | 1 | 52 | 0 | 0 | 0 | 42.0 | 35 | 16 | 15 | 20 | 40 | 3 | 9 |
| Rex Brothers* | Mia | mr | 33 | 2.89 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 9.1 | 3 | 5 | 3 | 9 | 15 | 0 | 0 |
| Walker Buehler | SFG | sp | 26 | 2.62 | 18 | 4 | 0 | 28 | 28 | 2 | 1 | 195.2 | 148 | 65 | 57 | 38 | 197 | 19 | 6 |
| Aaron Bummer* | Col | mr | 27 | 2.63 | 2 | 2 | 0 | 21 | 0 | 0 | 0 | 27.1 | 16 | 8 | 8 | 5 | 33 | 2 | 1 |
| Dylan Bundy | SDP | sp | 28 | 3.63 | 2 | 1 | 0 | 6 | 6 | 0 | 0 | 39.2 | 41 | 17 | 16 | 7 | 49 | 10 | 4 |
| Nick Burdi | StL | mr | 28 | 2.70 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 10.0 | 6 | 4 | 3 | 4 | 12 | 1 | 0 |
| Trevor Cahill | ChC | sp | 33 | 5.67 | 2 | 9 | 1 | 64 | 0 | 0 | 0 | 81.0 | 99 | 64 | 51 | 41 | 65 | 15 | 6 |
| Griffin Canning | Ari | sp | 25 | 5.62 | 3 | 2 | 0 | 8 | 8 | 0 | 0 | 41.2 | 44 | 27 | 26 | 17 | 46 | 9 | 1 |
| Carlos Carrasco | Phi | sp | 34 | 3.79 | 6 | 9 | 0 | 21 | 21 | 1 | 0 | 121.0 | 115 | 55 | 51 | 26 | 132 | 21 | 11 |
| Humberto Castellanos | Col | mr | 23 | 4.63 | 6 | 4 | 0 | 39 | 0 | 0 | 0 | 68.0 | 81 | 37 | 35 | 19 | 56 | 8 | 6 |
| Luis Castillo | Phi | sp | 28 | 4.58 | 11 | 6 | 0 | 29 | 29 | 0 | 0 | 171.0 | 161 | 92 | 87 | 64 | 197 | 28 | 10 |
| Miguel Castro | ChC | mr | 26 | 4.74 | 4 | 6 | 31 | 62 | 0 | 0 | 0 | 76.0 | 88 | 43 | 40 | 35 | 56 | 7 | 10 |
| Dylan Cease | Hou | sp | 25 | 4.58 | 1 | 2 | 0 | 3 | 3 | 0 | 0 | 19.2 | 16 | 10 | 10 | 7 | 25 | 4 | 2 |
| Andrew Chafin* | SFG | mr | 31 | 3.95 | 1 | 1 | 4 | 48 | 0 | 0 | 0 | 41.0 | 36 | 20 | 18 | 16 | 49 | 5 | 7 |
| Aroldis Chapman* | Mil | cl | 33 | 0.96 | 4 | 1 | 27 | 43 | 0 | 0 | 0 | 47.0 | 22 | 5 | 5 | 10 | 85 | 2 | 1 |
| Yonny Chirinos | Phi | sp | 27 | 4.94 | 6 | 8 | 4 | 46 | 10 | 2 | 0 | 122.0 | 133 | 70 | 67 | 22 | 91 | 24 | 20 |
| Aaron Civale | Mil | sp | 26 | 3.26 | 10 | 5 | 0 | 23 | 23 | 1 | 1 | 138.0 | 128 | 57 | 50 | 32 | 84 | 12 | 11 |
| Mike Clevinger | Phi | sp | 30 | 3.91 | 15 | 6 | 0 | 25 | 25 | 0 | 0 | 145.0 | 126 | 66 | 63 | 51 | 167 | 16 | 10 |
| Edwar Colina | LAD | sp | 24 | 6.07 | 1 | 4 | 3 | 50 | 0 | 0 | 0 | 66.2 | 81 | 49 | 45 | 44 | 52 | 13 | 9 |
| Alex Colome | NYM | mr | 32 | 3.86 | 3 | 8 | 28 | 54 | 0 | 0 | 0 | 58.1 | 53 | 30 | 25 | 24 | 58 | 7 | 6 |
| Patrick Corbin* | Ari | sp | 31 | 4.74 | 8 | 14 | 0 | 28 | 28 | 0 | 0 | 163.1 | 162 | 87 | 86 | 62 | 194 | 25 | 17 |
| Stefan Crichton | NYM | mr | 29 | 4.39 | 3 | 1 | 0 | 15 | 0 | 0 | 0 | 26.2 | 23 | 13 | 13 | 9 | 22 | 5 | 0 |
| Wil Crowe | SFG | sp | 26 | 10.05 | 1 | 3 | 0 | 7 | 7 | 0 | 0 | 28.2 | 58 | 36 | 32 | 10 | 22 | 5 | 4 |
| Johnny Cueto | NYM | sp | 35 | 5.06 | 5 | 3 | 0 | 12 | 12 | 0 | 0 | 69.1 | 70 | 40 | 39 | 18 | 58 | 12 | 3 |
| Yu Darvish | Mil | sp | 34 | 3.66 | 16 | 5 | 0 | 27 | 27 | 0 | 0 | 167.1 | 139 | 72 | 68 | 63 | 212 | 21 | 7 |
| Austin Davis* | Pit | mr | 28 | 3.41 | 5 | 3 | 1 | 46 | 0 | 0 | 0 | 63.1 | 47 | 26 | 24 | 25 | 78 | 9 | 3 |
| Jacob deGrom | Hou | sp | 33 | 3.38 | 15 | 5 | 0 | 29 | 29 | 2 | 1 | 207.2 | 180 | 82 | 78 | 59 | 231 | 22 | 20 |
| Anthony DeSclafani | SFG | sp | 31 | 3.92 | 12 | 9 | 0 | 26 | 26 | 0 | 0 | 154.0 | 128 | 77 | 67 | 47 | 145 | 22 | 9 |
| Jairo Diaz |   | mr | 30 | 2.82 | 4 | 2 | 4 | 55 | 0 | 0 | 0 | 67.0 | 43 | 23 | 21 | 19 | 53 | 4 | 6 |
| Jake Diekman* | Hou | mr | 34 | 3.02 | 3 | 1 | 2 | 56 | 0 | 0 | 0 | 53.2 | 44 | 19 | 18 | 27 | 59 | 4 | 12 |
| Rafael Dolis | NYM | mr | 33 | 4.76 | 2 | 3 | 1 | 44 | 0 | 0 | 0 | 45.1 | 37 | 24 | 24 | 16 | 49 | 6 | 3 |
| Sean Doolittle* | Ari | cl | 34 | 3.06 | 4 | 2 | 10 | 59 | 0 | 0 | 0 | 50.0 | 30 | 17 | 17 | 14 | 54 | 5 | 2 |
| Oliver Drake | Hou | mr | 34 | 3.39 | 7 | 6 | 16 | 55 | 0 | 0 | 0 | 66.1 | 60 | 25 | 25 | 18 | 71 | 6 | 10 |
| Tyler Duffey | Pit | mr | 30 | 4.36 | 6 | 6 | 22 | 53 | 0 | 0 | 0 | 66.0 | 73 | 33 | 32 | 17 | 78 | 10 | 4 |
| Sam Dyson | NYM | mr | 33 | 3.24 | 1 | 0 | 0 | 31 | 0 | 0 | 0 | 25.0 | 31 | 10 | 9 | 7 | 16 | 2 | 5 |
| Carl Edwards Jr. | Hou | mr | 29 | 1.57 | 6 | 0 | 3 | 34 | 0 | 0 | 0 | 46.0 | 24 | 8 | 8 | 13 | 50 | 3 | 5 |
| Nathan Eovaldi | Cin | sp | 31 | 4.32 | 1 | 0 | 0 | 18 | 2 | 0 | 0 | 41.2 | 43 | 21 | 20 | 5 | 37 | 11 | 6 |
| Tom Eshelman | Cin | sp | 27 | 6.75 | 1 | 0 | 0 | 23 | 0 | 0 | 0 | 37.1 | 53 | 35 | 28 | 12 | 28 | 12 | 5 |
| Carlos Estevez | Mia | mr | 28 | 3.17 | 1 | 1 | 1 | 48 | 0 | 0 | 0 | 76.2 | 47 | 29 | 27 | 26 | 82 | 11 | 5 |
| Jeurys Familia | SFG | mr | 31 | 2.08 | 8 | 1 | 4 | 58 | 0 | 0 | 0 | 60.2 | 57 | 15 | 14 | 25 | 56 | 3 | 15 |
| Erick Fedde | Cin | sp | 28 | 4.91 | 4 | 3 | 1 | 26 | 6 | 0 | 0 | 62.1 | 62 | 35 | 34 | 22 | 44 | 7 | 6 |
| Michael Feliz | Pit | mr | 28 | 4.25 | 1 | 2 | 3 | 26 | 0 | 0 | 0 | 29.2 | 25 | 17 | 14 | 19 | 33 | 3 | 2 |
| Caleb Ferguson* | Col | mr | 24 | 4.79 | 4 | 2 | 2 | 60 | 1 | 0 | 0 | 67.2 | 66 | 40 | 36 | 33 | 87 | 10 | 4 |
| Junior Fernandez | Cin | mr | 24 | 3.38 | 3 | 1 | 1 | 37 | 0 | 0 | 0 | 48.0 | 32 | 18 | 18 | 23 | 48 | 8 | 7 |
| Matt Foster | StL | mr | 26 | 1.74 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 20.2 | 15 | 4 | 4 | 2 | 25 | 1 | 0 |
| Giovanny Gallegos | Col | mr | 29 | 3.70 | 6 | 3 | 35 | 59 | 0 | 0 | 0 | 65.2 | 59 | 29 | 27 | 12 | 89 | 12 | 3 |
| Bryan Garcia | Cin | mr | 26 | 6.75 | 2 | 3 | 0 | 28 | 0 | 0 | 0 | 36.0 | 51 | 30 | 27 | 11 | 37 | 8 | 5 |
| Deivi Garcia | SFG | sp | 22 | 6.35 | 2 | 6 | 0 | 11 | 10 | 0 | 0 | 51.0 | 50 | 43 | 36 | 35 | 49 | 10 | 2 |
| Rico Garcia | Pit | sp | 27 | 6.57 | 4 | 10 | 0 | 20 | 20 | 0 | 0 | 101.1 | 123 | 79 | 74 | 47 | 92 | 16 | 8 |
| Yimi Garcia | SDP | mr | 30 | 3.19 | 0 | 1 | 0 | 23 | 0 | 0 | 0 | 36.2 | 36 | 15 | 13 | 6 | 35 | 6 | 2 |
| Amir Garrett* | Mia | mr | 29 | 3.05 | 4 | 4 | 3 | 56 | 0 | 0 | 0 | 65.0 | 46 | 23 | 22 | 22 | 84 | 10 | 5 |
| Braxton Garrett* | Cin | sp | 23 | 4.19 | 6 | 8 | 0 | 22 | 22 | 0 | 0 | 122.1 | 111 | 65 | 57 | 36 | 121 | 18 | 13 |
| Kevin Gausman | NYM | sp | 30 | 3.90 | 8 | 10 | 0 | 26 | 26 | 0 | 0 | 150.0 | 130 | 70 | 65 | 40 | 131 | 20 | 13 |
| Ken Giles | Hou | cl | 30 | 0.77 | 2 | 1 | 2 | 10 | 0 | 0 | 0 | 11.2 | 9 | 1 | 1 | 2 | 13 | 0 | 3 |
| Kevin Ginkel | SDP | mr | 27 | 3.31 | 1 | 2 | 1 | 13 | 0 | 0 | 0 | 16.1 | 8 | 6 | 6 | 11 | 23 | 3 | 1 |
| Mychal Givens | SDP | mr | 31 | 5.14 | 3 | 3 | 1 | 45 | 0 | 0 | 0 | 63.0 | 75 | 38 | 36 | 19 | 78 | 10 | 5 |
| Tyler Glasnow | Hou | sp | 27 | 3.94 | 7 | 6 | 0 | 22 | 22 | 1 | 0 | 132.1 | 120 | 62 | 58 | 58 | 161 | 20 | 12 |
| Tony Gonsolin | LAD | sp | 27 | 8.41 | 2 | 1 | 3 | 51 | 0 | 0 | 0 | 55.2 | 77 | 53 | 52 | 32 | 60 | 21 | 5 |
| Gio Gonzalez* | Hou | sp | 35 | 3.71 | 11 | 6 | 0 | 26 | 26 | 1 | 1 | 153.0 | 137 | 72 | 63 | 62 | 144 | 22 | 21 |
| Victor Gonzalez* | Cin | mr | 25 | 4.78 | 4 | 5 | 1 | 44 | 0 | 0 | 0 | 49.0 | 49 | 26 | 26 | 11 | 43 | 7 | 1 |
| MacKenzie Gore* | Mia | sp | 22 | 4.54 | 1 | 4 | 0 | 6 | 6 | 0 | 0 | 33.2 | 34 | 22 | 17 | 16 | 36 | 0 | 3 |
| Trevor Gott | Mil | mr | 28 | 4.11 | 2 | 0 | 3 | 37 | 0 | 0 | 0 | 50.1 | 43 | 26 | 23 | 21 | 48 | 6 | 5 |
| Jon Gray | Ari | sp | 29 | 4.57 | 13 | 9 | 0 | 27 | 27 | 1 | 0 | 165.1 | 157 | 90 | 84 | 47 | 146 | 24 | 15 |
| Sonny Gray | NYM | sp | 31 | 4.36 | 13 | 6 | 0 | 28 | 28 | 0 | 0 | 165.0 | 144 | 84 | 80 | 64 | 180 | 26 | 12 |
| Shane Greene | Mil | cl | 32 | 4.39 | 4 | 4 | 3 | 55 | 0 | 0 | 0 | 55.1 | 42 | 32 | 27 | 27 | 56 | 9 | 2 |
| Zack Greinke | Col | sp | 37 | 3.57 | 14 | 7 | 0 | 30 | 30 | 8 | 1 | 214.1 | 217 | 92 | 85 | 37 | 192 | 23 | 11 |
| Zac Grotz | Hou | mr | 28 | 4.98 | 7 | 2 | 0 | 27 | 7 | 0 | 0 | 72.1 | 66 | 40 | 40 | 25 | 57 | 12 | 7 |
| Deolis Guerra | StL | mr | 32 | 2.59 | 2 | 0 | 5 | 41 | 0 | 0 | 0 | 55.2 | 41 | 18 | 16 | 16 | 46 | 2 | 6 |
| Javy Guerra | NYM | mr | 35 | 1.80 | 0 | 1 | 2 | 17 | 0 | 0 | 0 | 30.0 | 27 | 6 | 6 | 9 | 28 | 1 | 1 |
| Taylor Guilbeau* | Phi | mr | 28 | 3.77 | 5 | 0 | 1 | 39 | 0 | 0 | 0 | 45.1 | 38 | 19 | 19 | 19 | 38 | 2 | 7 |
| Blaine Hardy* | Col | mr | 34 | 4.84 | 5 | 1 | 0 | 50 | 1 | 0 | 0 | 57.2 | 72 | 32 | 31 | 15 | 50 | 10 | 5 |
| Will Harris | Col | mr | 36 | 2.25 | 4 | 3 | 3 | 45 | 0 | 0 | 0 | 48.0 | 35 | 12 | 12 | 12 | 37 | 2 | 7 |
| Thomas Hatch | Cin | sp | 26 | 5.58 | 7 | 15 | 0 | 26 | 26 | 0 | 0 | 137.0 | 162 | 96 | 85 | 46 | 103 | 26 | 9 |
| Andrew Heaney* | StL | sp | 30 | 3.52 | 10 | 8 | 0 | 24 | 24 | 2 | 0 | 156.0 | 131 | 66 | 61 | 51 | 174 | 18 | 10 |
| Ben Heller | Col | mr | 29 | 5.00 | 1 | 1 | 0 | 7 | 2 | 0 | 0 | 18.0 | 17 | 10 | 10 | 6 | 16 | 3 | 3 |
| Liam Hendriks | SFG | cl | 32 | 2.25 | 6 | 4 | 30 | 56 | 0 | 0 | 0 | 68.0 | 52 | 21 | 17 | 22 | 103 | 7 | 2 |
| Jordan Hicks | Phi | cl | 24 | 3.40 | 4 | 2 | 7 | 46 | 0 | 0 | 0 | 53.0 | 41 | 21 | 20 | 26 | 52 | 6 | 11 |
| Tim Hill* | Ari | mr | 31 | 0.00 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 3.0 | 4 | 0 | 0 | 1 | 2 | 0 | 0 |
| Yoshihisa Hirano | StL | mr | 37 | 3.10 | 1 | 2 | 1 | 20 | 0 | 0 | 0 | 29.0 | 22 | 10 | 10 | 11 | 30 | 3 | 5 |
| Adrian Houser | Phi | sp | 28 | 4.25 | 8 | 6 | 3 | 60 | 2 | 0 | 0 | 97.1 | 87 | 53 | 46 | 30 | 81 | 12 | 8 |
| Spencer Howard | Hou | sp | 24 | 5.40 | 6 | 3 | 0 | 19 | 19 | 0 | 0 | 91.2 | 91 | 59 | 55 | 52 | 98 | 9 | 6 |
| James Hoyt | Atl | mr | 34 | 2.97 | 5 | 1 | 0 | 28 | 0 | 0 | 0 | 36.1 | 31 | 15 | 12 | 25 | 38 | 1 | 6 |
| Tommy Hunter | StL | mr | 34 | 4.11 | 2 | 2 | 1 | 14 | 0 | 0 | 0 | 15.1 | 10 | 7 | 7 | 6 | 4 | 2 | 0 |
| Raisel Iglesias | Hou | cl | 31 | 3.59 | 3 | 3 | 6 | 54 | 0 | 0 | 0 | 67.2 | 55 | 31 | 27 | 21 | 80 | 13 | 3 |
| Kenley Jansen | Atl | cl | 33 | 3.29 | 2 | 3 | 28 | 46 | 0 | 0 | 0 | 54.2 | 45 | 20 | 20 | 9 | 64 | 11 | 1 |
| Daulton Jefferies | Phi | sp | 25 | 4.19 | 3 | 3 | 1 | 24 | 11 | 0 | 0 | 77.1 | 79 | 40 | 36 | 12 | 74 | 10 | 3 |
| Jeremy Jeffress | Mia | mr | 33 | 3.23 | 7 | 5 | 10 | 65 | 0 | 0 | 0 | 75.1 | 66 | 29 | 27 | 23 | 61 | 6 | 7 |
| Pierce Johnson | Cin | mr | 30 | 7.21 | 1 | 9 | 7 | 45 | 0 | 0 | 0 | 53.2 | 61 | 45 | 43 | 21 | 62 | 8 | 4 |
| Damon Jones* | Mia | sp | 26 | 5.56 | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 11.1 | 10 | 8 | 7 | 14 | 11 | 0 | 2 |
| James Kaprielian | Pit | sp | 27 | 8.37 | 1 | 0 | 2 | 36 | 0 | 0 | 0 | 43.0 | 60 | 42 | 40 | 13 | 40 | 12 | 3 |
| James Karinchak | SFG | mr | 25 | 1.77 | 3 | 0 | 0 | 27 | 0 | 0 | 0 | 35.2 | 20 | 8 | 7 | 22 | 65 | 3 | 2 |
| Anthony Kay* | SFG | sp | 26 | 7.24 | 0 | 2 | 0 | 4 | 4 | 0 | 0 | 13.2 | 17 | 15 | 11 | 12 | 14 | 2 | 2 |
| Kyle Keller | SFG | mr | 28 | 4.11 | 0 | 0 | 2 | 37 | 0 | 0 | 0 | 57.0 | 43 | 26 | 26 | 21 | 61 | 9 | 4 |
| Joe Kelly | Col | mr | 33 | 3.97 | 2 | 1 | 0 | 36 | 0 | 0 | 0 | 45.1 | 42 | 21 | 20 | 23 | 36 | 5 | 6 |
| Merrill Kelly | Mil | sp | 32 | 4.59 | 12 | 10 | 0 | 27 | 27 | 1 | 0 | 158.2 | 186 | 89 | 81 | 52 | 124 | 18 | 19 |
| Ian Kennedy | StL | cl | 36 | 5.23 | 3 | 2 | 3 | 32 | 0 | 0 | 0 | 43.0 | 41 | 27 | 25 | 12 | 40 | 9 | 2 |
| Clayton Kershaw* | Atl | sp | 33 | 2.52 | 17 | 4 | 0 | 27 | 27 | 5 | 3 | 196.1 | 150 | 55 | 55 | 40 | 205 | 24 | 10 |
| Kwang-hyun Kim* | SFG | sp | 32 | 4.96 | 3 | 1 | 0 | 6 | 6 | 0 | 0 | 32.2 | 35 | 24 | 18 | 9 | 21 | 4 | 0 |
| Craig Kimbrel | Atl | cl | 33 | 4.78 | 2 | 2 | 5 | 51 | 0 | 0 | 0 | 37.2 | 37 | 20 | 20 | 24 | 64 | 5 | 0 |
| Brandon Kintzler | Atl | mr | 36 | 1.11 | 3 | 3 | 3 | 42 | 0 | 0 | 0 | 48.2 | 32 | 11 | 6 | 16 | 36 | 3 | 10 |
| Andrew Kittredge | SDP | mr | 31 | 3.14 | 3 | 4 | 1 | 41 | 5 | 0 | 0 | 77.1 | 81 | 33 | 27 | 16 | 78 | 7 | 8 |
| Corey Kluber | Mil | sp | 35 | 4.19 | 9 | 9 | 0 | 24 | 24 | 2 | 1 | 150.1 | 141 | 80 | 70 | 56 | 156 | 18 | 7 |
| Corey Knebel |   | cl | 29 | 6.34 | 3 | 5 | 3 | 43 | 0 | 0 | 0 | 44.0 | 39 | 35 | 31 | 23 | 58 | 9 | 3 |
| Michael Kopech | Mil | sp | 25 | 6.44 | 4 | 6 | 0 | 20 | 20 | 0 | 0 | 93.2 | 96 | 74 | 67 | 52 | 90 | 12 | 8 |
| Dean Kremer | LAD | sp | 25 | 8.32 | 2 | 11 | 0 | 20 | 18 | 0 | 0 | 93.0 | 128 | 94 | 86 | 51 | 93 | 29 | 7 |
| Joel Kuhnel | Ari | mr | 26 | 2.45 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 7.1 | 5 | 2 | 2 | 2 | 4 | 2 | 2 |
| Derek Law | NYM | mr | 30 | 4.37 | 0 | 1 | 0 | 21 | 0 | 0 | 0 | 22.2 | 18 | 12 | 11 | 11 | 23 | 4 | 0 |
| Josh Lindblom | ChC | sp | 34 | 4.50 | 10 | 9 | 0 | 24 | 24 | 0 | 0 | 132.0 | 146 | 71 | 66 | 25 | 118 | 15 | 5 |
| Jonathan Loaisiga | Hou | sp | 26 | 3.75 | 1 | 4 | 0 | 12 | 8 | 0 | 0 | 50.1 | 52 | 25 | 21 | 20 | 60 | 7 | 5 |
| Walker Lockett | Col | sp | 27 | 5.91 | 0 | 5 | 0 | 12 | 12 | 0 | 0 | 64.0 | 85 | 49 | 42 | 19 | 42 | 17 | 9 |
| Reynaldo Lopez | SFG | sp | 27 | 5.02 | 5 | 10 | 0 | 24 | 24 | 1 | 0 | 138.0 | 140 | 82 | 77 | 47 | 140 | 18 | 8 |
| Michael Lorenzen | Hou | mr | 29 | 3.27 | 6 | 1 | 2 | 63 | 0 | 0 | 0 | 74.1 | 57 | 28 | 27 | 35 | 59 | 9 | 12 |
| Joey Lucchesi* |   | sp | 28 | 5.34 | 5 | 10 | 0 | 28 | 28 | 1 | 1 | 151.2 | 168 | 105 | 90 | 50 | 151 | 27 | 13 |
| Lance Lynn | Ari | sp | 34 | 5.87 | 10 | 8 | 0 | 26 | 26 | 0 | 0 | 151.2 | 184 | 101 | 99 | 42 | 151 | 32 | 16 |
| Kenta Maeda |   | sp | 33 | 3.85 | 10 | 4 | 0 | 24 | 24 | 0 | 0 | 135.2 | 123 | 61 | 58 | 36 | 144 | 21 | 5 |
| Tyler Mahle | Ari | sp | 26 | 4.99 | 3 | 4 | 0 | 10 | 10 | 0 | 0 | 57.2 | 60 | 35 | 32 | 19 | 42 | 14 | 8 |
| Matt Manning | Mia | sp | 23 | 4.11 | 11 | 8 | 0 | 27 | 26 | 1 | 1 | 153.1 | 140 | 74 | 70 | 46 | 141 | 19 | 7 |
| German Marquez | Atl | sp | 26 | 3.57 | 20 | 5 | 0 | 30 | 30 | 2 | 1 | 199.1 | 183 | 90 | 79 | 58 | 175 | 28 | 11 |
| Brett Martin* | NYM | mr | 26 | 3.02 | 4 | 5 | 4 | 62 | 0 | 0 | 0 | 65.2 | 72 | 30 | 22 | 34 | 56 | 7 | 7 |
| Chris Martin | Mil | mr | 35 | 2.78 | 3 | 2 | 6 | 39 | 0 | 0 | 0 | 45.1 | 41 | 17 | 14 | 4 | 49 | 4 | 5 |
| Carlos Martinez | Cin | sp | 29 | 3.07 | 2 | 6 | 21 | 48 | 0 | 0 | 0 | 55.2 | 48 | 19 | 19 | 24 | 58 | 4 | 9 |
| Phil Maton | StL | mr | 28 | 2.69 | 7 | 2 | 4 | 46 | 0 | 0 | 0 | 63.2 | 53 | 22 | 19 | 15 | 75 | 6 | 4 |
| Tyler Matzek* | Atl | mr | 30 | 12.27 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 3.2 | 5 | 5 | 5 | 7 | 5 | 0 | 0 |
| Dustin May | LAD | sp | 23 | 4.34 | 2 | 5 | 1 | 58 | 0 | 0 | 0 | 87.0 | 87 | 43 | 42 | 21 | 72 | 11 | 10 |
| Trevor May | SFG | mr | 31 | 3.70 | 4 | 4 | 2 | 42 | 0 | 0 | 0 | 48.2 | 30 | 21 | 20 | 17 | 58 | 4 | 2 |
| Chris Mazza | Phi | sp | 31 | 3.26 | 1 | 0 | 2 | 10 | 1 | 0 | 0 | 19.1 | 18 | 9 | 7 | 4 | 10 | 1 | 3 |
| Lance McCullers Jr. | StL | sp | 27 | 5.05 | 8 | 2 | 0 | 18 | 18 | 0 | 0 | 107.0 | 108 | 60 | 60 | 30 | 104 | 14 | 9 |
| Collin McHugh | Ari | mr | 34 | 4.03 | 5 | 3 | 0 | 31 | 11 | 0 | 0 | 80.1 | 85 | 40 | 36 | 26 | 76 | 9 | 3 |
| Triston McKenzie | LAD | sp | 23 | 4.71 | 2 | 4 | 0 | 8 | 8 | 0 | 0 | 49.2 | 54 | 28 | 26 | 14 | 36 | 8 | 8 |
| John Means* | NYM | sp | 28 | 3.91 | 9 | 11 | 0 | 27 | 27 | 1 | 1 | 156.1 | 144 | 78 | 68 | 25 | 133 | 30 | 6 |
| Trevor Megill | NYM | mr | 27 | 7.02 | 2 | 2 | 1 | 32 | 0 | 0 | 0 | 50.0 | 60 | 40 | 39 | 21 | 66 | 14 | 4 |
| Ryan Meisinger | StL | mr | 27 | 3.24 | 2 | 0 | 3 | 28 | 0 | 0 | 0 | 41.2 | 28 | 16 | 15 | 13 | 40 | 7 | 2 |
| Conner Menez* | Mia | sp | 26 | 4.91 | 0 | 3 | 0 | 6 | 6 | 0 | 0 | 29.1 | 27 | 17 | 16 | 18 | 25 | 4 | 4 |
| Daniel Mengden | SDP | sp | 28 | 4.93 | 7 | 9 | 0 | 23 | 20 | 0 | 0 | 118.2 | 126 | 70 | 65 | 27 | 91 | 16 | 9 |
| Miles Mikolas | ChC | sp | 32 | 4.60 | 9 | 14 | 0 | 29 | 29 | 2 | 1 | 193.2 | 194 | 103 | 99 | 39 | 136 | 25 | 20 |
| Alec Mills | ChC | sp | 29 | 5.26 | 3 | 4 | 0 | 62 | 0 | 0 | 0 | 101.0 | 108 | 61 | 59 | 41 | 89 | 16 | 13 |
| Hoby Milner* | Ari | mr | 30 | 2.89 | 4 | 3 | 3 | 55 | 0 | 0 | 0 | 56.0 | 44 | 18 | 18 | 18 | 63 | 2 | 2 |
| Mike Minor* | SDP | sp | 33 | 3.11 | 4 | 2 | 0 | 6 | 6 | 2 | 0 | 46.1 | 37 | 16 | 16 | 8 | 44 | 6 | 4 |
| Casey Mize | StL | sp | 24 | 3.20 | 6 | 7 | 0 | 21 | 21 | 1 | 0 | 137.2 | 131 | 60 | 49 | 24 | 101 | 20 | 13 |
| Frankie Montas | Col | sp | 28 | 6.25 | 8 | 9 | 0 | 23 | 23 | 0 | 0 | 118.0 | 138 | 86 | 82 | 37 | 115 | 25 | 13 |
| Mike Montgomery* | ChC | mr | 31 | 3.86 | 1 | 2 | 2 | 55 | 0 | 0 | 0 | 79.1 | 94 | 38 | 34 | 27 | 58 | 9 | 5 |
| Adrian Morejon* | Pit | sp | 22 | 5.31 | 5 | 8 | 1 | 20 | 18 | 0 | 0 | 83.0 | 78 | 55 | 49 | 38 | 101 | 13 | 4 |
| Brandon Morrow | Mil | mr | 36 | 3.81 | 2 | 1 | 2 | 27 | 0 | 0 | 0 | 28.1 | 36 | 12 | 12 | 7 | 23 | 7 | 4 |
| Charlie Morton | Col | sp | 37 | 4.70 | 11 | 8 | 0 | 28 | 28 | 1 | 0 | 166.2 | 172 | 98 | 87 | 52 | 203 | 21 | 16 |
| Joe Musgrove | LAD | sp | 28 | 3.22 | 11 | 8 | 0 | 26 | 26 | 0 | 0 | 164.2 | 139 | 64 | 59 | 38 | 141 | 17 | 14 |
| Nick Neidert | Pit | sp | 24 | 4.94 | 3 | 7 | 0 | 14 | 14 | 1 | 0 | 74.2 | 74 | 50 | 41 | 18 | 56 | 13 | 1 |
| Jimmy Nelson | ChC | sp | 32 | 5.31 | 5 | 5 | 0 | 47 | 0 | 0 | 0 | 62.2 | 76 | 44 | 37 | 29 | 56 | 9 | 6 |
| Kyle Nelson* | SDP | mr | 24 | 7.56 | 1 | 0 | 0 | 28 | 0 | 0 | 0 | 33.1 | 47 | 30 | 28 | 10 | 42 | 10 | 3 |
| Hector Neris | StL | cl | 32 | 3.16 | 8 | 3 | 15 | 53 | 0 | 0 | 0 | 62.2 | 51 | 22 | 22 | 28 | 91 | 7 | 2 |
| Sean Newcomb* | Ari | mr | 28 | 3.89 | 1 | 2 | 4 | 54 | 5 | 0 | 0 | 88.0 | 70 | 46 | 38 | 45 | 78 | 12 | 6 |
| Juan Nicasio | Mil | mr | 34 | 4.83 | 1 | 0 | 0 | 43 | 0 | 0 | 0 | 50.1 | 51 | 27 | 27 | 11 | 52 | 6 | 8 |
| John Nogowski* | SDP | 1b | 28 | 6.23 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 13.0 | 12 | 11 | 9 | 7 | 8 | 0 | 4 |
| Aaron Nola | SDP | sp | 28 | 3.42 | 14 | 10 | 0 | 32 | 32 | 3 | 0 | 208.0 | 177 | 87 | 79 | 70 | 188 | 18 | 21 |
| Daniel Norris* | ChC | sp | 28 | 5.54 | 1 | 16 | 0 | 27 | 27 | 0 | 0 | 138.0 | 166 | 101 | 85 | 47 | 131 | 24 | 13 |
| Emilio Pagan | SDP | cl | 30 | 3.11 | 4 | 5 | 13 | 53 | 0 | 0 | 0 | 66.2 | 64 | 24 | 23 | 22 | 80 | 5 | 2 |
| James Paxton* | Ari | sp | 32 | 2.40 | 6 | 1 | 0 | 10 | 10 | 0 | 0 | 63.2 | 43 | 18 | 17 | 17 | 69 | 7 | 5 |
| Brad Peacock | SDP | sp | 33 | 6.35 | 1 | 9 | 1 | 19 | 16 | 0 | 0 | 83.2 | 93 | 65 | 59 | 40 | 99 | 14 | 3 |
| Nate Pearson | ChC | sp | 24 | 6.92 | 4 | 14 | 0 | 26 | 26 | 1 | 0 | 128.2 | 164 | 110 | 99 | 43 | 125 | 26 | 5 |
| Freddy Peralta | Cin | mr | 25 | 4.78 | 2 | 6 | 1 | 20 | 16 | 0 | 0 | 92.1 | 83 | 51 | 49 | 44 | 95 | 15 | 7 |
| Luis Perdomo | Ari | mr | 28 | 4.20 | 4 | 1 | 0 | 41 | 0 | 0 | 0 | 70.2 | 68 | 33 | 33 | 26 | 60 | 9 | 10 |
| Cionel Perez* | Mia | sp | 25 | 12.10 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 9.2 | 13 | 13 | 13 | 8 | 9 | 2 | 0 |
| Martin Perez* | Pit | sp | 30 | 3.32 | 3 | 8 | 0 | 18 | 18 | 2 | 0 | 108.1 | 97 | 46 | 40 | 47 | 74 | 13 | 16 |
| David Peterson* | StL | sp | 25 | 4.10 | 10 | 10 | 0 | 25 | 25 | 2 | 0 | 147.0 | 128 | 68 | 67 | 60 | 112 | 15 | 13 |
| Yusmeiro Petit | SFG | mr | 36 | 2.33 | 4 | 1 | 4 | 38 | 0 | 0 | 0 | 65.2 | 46 | 18 | 17 | 7 | 58 | 10 | 2 |
| Zach Plesac | Pit | sp | 26 | 4.59 | 6 | 11 | 0 | 28 | 28 | 2 | 1 | 168.2 | 198 | 95 | 86 | 43 | 147 | 25 | 9 |
| Colin Poche* | Mil | mr | 27 | 3.73 | 6 | 0 | 2 | 61 | 0 | 0 | 0 | 70.0 | 58 | 33 | 29 | 18 | 99 | 14 | 8 |
| Cody Ponce | Phi | mr | 27 | 3.42 | 5 | 1 | 2 | 27 | 5 | 0 | 0 | 52.2 | 57 | 24 | 20 | 20 | 34 | 8 | 4 |
| Daniel Ponce De Leon | Col | sp | 29 | 7.57 | 2 | 2 | 0 | 16 | 10 | 0 | 0 | 54.2 | 66 | 46 | 46 | 27 | 42 | 14 | 4 |
| Ryan Pressly | Ari | mr | 32 | 4.45 | 1 | 4 | 15 | 49 | 0 | 0 | 0 | 56.2 | 53 | 30 | 28 | 19 | 78 | 7 | 1 |
| David Price* | Mil | sp | 35 | 3.07 | 14 | 5 | 0 | 23 | 23 | 0 | 0 | 152.2 | 139 | 62 | 52 | 38 | 152 | 18 | 13 |
| Jose Quijada* | Pit | mr | 25 | 2.45 | 0 | 1 | 1 | 10 | 0 | 0 | 0 | 11.0 | 12 | 5 | 3 | 7 | 13 | 0 | 2 |
| Tanner Rainey | SFG | mr | 28 | 5.68 | 2 | 0 | 0 | 7 | 0 | 0 | 0 | 6.1 | 4 | 4 | 4 | 7 | 11 | 0 | 1 |
| Edubray Ramos | SDP | mr | 28 | 4.05 | 1 | 2 | 0 | 33 | 0 | 0 | 0 | 40.0 | 42 | 19 | 18 | 16 | 34 | 2 | 3 |
| Alex Reyes | Ari | sp | 26 | 10.00 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 9.0 | 10 | 10 | 10 | 5 | 12 | 2 | 1 |
| Garrett Richards | Ari | sp | 33 | 7.68 | 3 | 2 | 0 | 7 | 7 | 0 | 0 | 38.2 | 42 | 34 | 33 | 13 | 40 | 11 | 4 |
| Dereck Rodriguez | Cin | sp | 29 | 6.36 | 1 | 2 | 1 | 50 | 0 | 0 | 0 | 80.2 | 89 | 57 | 57 | 38 | 62 | 17 | 7 |
| Chaz Roe |   | mr | 34 | 4.71 | 1 | 1 | 0 | 24 | 0 | 0 | 0 | 21.0 | 30 | 11 | 11 | 7 | 24 | 2 | 4 |
| Taylor Rogers* | Ari | cl | 30 | 0.00 | 1 | 0 | 7 | 12 | 0 | 0 | 0 | 13.1 | 6 | 0 | 0 | 6 | 16 | 0 | 3 |
| Hector Rondon | StL | mr | 33 | 2.13 | 1 | 1 | 0 | 6 | 0 | 0 | 0 | 12.2 | 8 | 3 | 3 | 2 | 13 | 2 | 1 |
| Chris Rusin* | Col | mr | 34 | 8.65 | 0 | 1 | 0 | 7 | 4 | 0 | 0 | 26.0 | 46 | 26 | 25 | 4 | 24 | 5 | 3 |
| Hyun-Jin Ryu* | Col | sp | 34 | 3.39 | 8 | 8 | 0 | 24 | 24 | 1 | 0 | 154.0 | 149 | 59 | 58 | 27 | 147 | 25 | 12 |
| Casey Sadler | Col | mr | 30 | 3.56 | 3 | 1 | 0 | 36 | 3 | 0 | 0 | 65.2 | 59 | 36 | 26 | 16 | 42 | 9 | 6 |
| Aaron Sanchez | SDP | sp | 28 | 4.76 | 4 | 11 | 0 | 25 | 25 | 0 | 0 | 134.1 | 139 | 81 | 71 | 70 | 114 | 14 | 9 |
| Sixto Sanchez | LAD | sp | 22 | 3.06 | 4 | 4 | 0 | 18 | 18 | 0 | 0 | 108.2 | 110 | 43 | 37 | 26 | 75 | 12 | 7 |
| Patrick Sandoval* | Cin | sp | 24 | 7.01 | 4 | 9 | 0 | 21 | 21 | 0 | 0 | 104.0 | 111 | 86 | 81 | 56 | 101 | 15 | 9 |
| Dennis Santana | Atl | sp | 25 | 6.01 | 2 | 6 | 0 | 30 | 12 | 0 | 0 | 82.1 | 91 | 59 | 55 | 33 | 85 | 15 | 3 |
| Ervin Santana | Atl | sp | 38 | 4.22 | 4 | 10 | 0 | 19 | 19 | 2 | 1 | 117.1 | 115 | 63 | 55 | 36 | 94 | 21 | 8 |
| Josh Sborz | StL | mr | 27 | 4.32 | 2 | 3 | 1 | 43 | 0 | 0 | 0 | 58.1 | 69 | 30 | 28 | 19 | 65 | 9 | 8 |
| Max Scherzer | SDP | sp | 36 | 2.89 | 13 | 7 | 0 | 27 | 27 | 3 | 3 | 196.1 | 135 | 67 | 63 | 46 | 256 | 24 | 10 |
| John Schreiber | NYM | mr | 27 | 3.06 | 0 | 2 | 1 | 15 | 0 | 0 | 0 | 17.2 | 9 | 6 | 6 | 4 | 13 | 2 | 4 |
| Sam Selman* | Atl | mr | 30 | 3.51 | 5 | 1 | 4 | 50 | 0 | 0 | 0 | 48.2 | 33 | 19 | 19 | 30 | 67 | 4 | 5 |
| Antonio Senzatela | Pit | sp | 26 | 5.15 | 5 | 10 | 0 | 22 | 22 | 4 | 1 | 136.1 | 144 | 84 | 78 | 44 | 76 | 24 | 23 |
| Bryan Shaw | SFG | mr | 33 | 5.79 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4.2 | 8 | 4 | 3 | 1 | 5 | 1 | 2 |
| Matt Shoemaker | Mia | sp | 34 | 4.11 | 4 | 4 | 0 | 8 | 8 | 0 | 0 | 50.1 | 46 | 23 | 23 | 25 | 49 | 5 | 4 |
| Lucas Sims | Phi | sp | 27 | 4.47 | 6 | 3 | 1 | 36 | 12 | 0 | 0 | 92.2 | 71 | 46 | 46 | 57 | 120 | 16 | 2 |
| Brady Singer | Atl | sp | 24 | 4.90 | 6 | 8 | 0 | 26 | 26 | 0 | 0 | 136.0 | 135 | 76 | 74 | 58 | 86 | 24 | 11 |
| Tarik Skubal* | StL | sp | 24 | 4.56 | 7 | 7 | 0 | 24 | 24 | 0 | 0 | 128.1 | 116 | 69 | 65 | 52 | 136 | 25 | 5 |
| Caleb Smith* | ChC | sp | 29 | 3.90 | 6 | 10 | 0 | 25 | 25 | 0 | 0 | 147.2 | 144 | 67 | 64 | 40 | 155 | 23 | 6 |
| Blake Snell* | StL | sp | 28 | 4.24 | 13 | 7 | 0 | 26 | 26 | 0 | 0 | 155.0 | 125 | 78 | 73 | 63 | 192 | 16 | 8 |
| Joakim Soria | StL | mr | 37 | 3.05 | 5 | 0 | 10 | 46 | 0 | 0 | 0 | 56.0 | 41 | 19 | 19 | 13 | 67 | 5 | 2 |
| Mike Soroka | Atl | sp | 23 | 3.39 | 17 | 7 | 0 | 31 | 31 | 3 | 2 | 196.2 | 175 | 83 | 74 | 52 | 170 | 24 | 23 |
| Ryne Stanek |   | mr | 29 | 3.84 | 6 | 5 | 22 | 61 | 0 | 0 | 0 | 72.2 | 51 | 33 | 31 | 32 | 88 | 12 | 3 |
| Josh Staumont | LAD | mr | 27 | 4.73 | 4 | 3 | 6 | 51 | 0 | 0 | 0 | 64.2 | 48 | 35 | 34 | 49 | 64 | 5 | 6 |
| Drew Steckenrider | Col | mr | 30 | 3.86 | 2 | 2 | 0 | 18 | 0 | 0 | 0 | 21.0 | 19 | 9 | 9 | 11 | 30 | 5 | 1 |
| Kohl Stewart | LAD | sp | 26 | 7.56 | 1 | 3 | 0 | 9 | 4 | 0 | 0 | 25.0 | 36 | 23 | 21 | 11 | 24 | 3 | 1 |
| Matt Strahm* | LAD | mr | 29 | 3.60 | 1 | 2 | 1 | 33 | 0 | 0 | 0 | 35.0 | 35 | 14 | 14 | 14 | 36 | 1 | 6 |
| Stephen Strasburg | Ari | sp | 32 | 2.78 | 18 | 5 | 0 | 30 | 30 | 4 | 2 | 213.1 | 156 | 72 | 66 | 63 | 233 | 23 | 17 |
| Ross Stripling | Col | mr | 31 | 5.36 | 2 | 10 | 0 | 15 | 15 | 0 | 0 | 80.2 | 91 | 51 | 48 | 19 | 74 | 10 | 6 |
| Marcus Stroman | Hou | sp | 30 | 4.76 | 8 | 14 | 0 | 30 | 29 | 1 | 0 | 183.1 | 188 | 106 | 97 | 61 | 131 | 19 | 16 |
| Pedro Strop |   | mr | 36 | 4.71 | 2 | 0 | 2 | 58 | 0 | 0 | 0 | 42.0 | 35 | 22 | 22 | 16 | 45 | 10 | 6 |
| Jose Suarez* | Cin | sp | 23 | 4.72 | 0 | 1 | 2 | 38 | 0 | 0 | 0 | 55.1 | 57 | 31 | 29 | 19 | 57 | 8 | 3 |
| Ranger Suarez* | Hou | mr | 25 | 5.40 | 3 | 0 | 0 | 18 | 5 | 0 | 0 | 45.0 | 51 | 29 | 27 | 12 | 31 | 7 | 6 |
| Wander Suero | Mia | mr | 29 | 4.26 | 2 | 2 | 1 | 57 | 0 | 0 | 0 | 74.0 | 67 | 41 | 35 | 25 | 69 | 12 | 3 |
| Brent Suter* | Mil | sp | 31 | 4.45 | 7 | 3 | 0 | 21 | 14 | 0 | 0 | 93.0 | 93 | 48 | 46 | 18 | 66 | 14 | 10 |
| Erik Swanson | SDP | sp | 27 | 6.98 | 2 | 1 | 0 | 5 | 5 | 0 | 0 | 19.1 | 22 | 16 | 15 | 6 | 16 | 7 | 1 |
| Masahiro Tanaka | NYM | sp | 32 | 4.40 | 11 | 11 | 0 | 29 | 29 | 0 | 0 | 171.2 | 174 | 90 | 84 | 34 | 145 | 42 | 14 |
| Dillon Tate | SFG | mr | 27 | 4.08 | 1 | 4 | 1 | 29 | 0 | 0 | 0 | 46.1 | 45 | 23 | 21 | 16 | 22 | 6 | 3 |
| Blake Taylor* | Pit | mr | 25 | 4.06 | 2 | 4 | 4 | 55 | 0 | 0 | 0 | 62.0 | 48 | 28 | 28 | 48 | 60 | 4 | 11 |
| Josh Taylor* | Mia | mr | 28 | 3.00 | 2 | 6 | 22 | 56 | 0 | 0 | 0 | 72.0 | 57 | 25 | 24 | 29 | 92 | 2 | 5 |
| Blake Treinen | Atl | cl | 33 | 3.54 | 5 | 5 | 3 | 53 | 0 | 0 | 0 | 61.0 | 53 | 25 | 24 | 16 | 62 | 6 | 7 |
| Andrew Triggs | Hou | sp | 32 | 5.37 | 5 | 2 | 0 | 12 | 12 | 0 | 0 | 60.1 | 64 | 39 | 36 | 22 | 48 | 8 | 4 |
| Sam Tuivailala | Mia | mr | 28 | 5.01 | 1 | 1 | 2 | 9 | 3 | 0 | 0 | 23.1 | 21 | 14 | 13 | 13 | 24 | 3 | 2 |
| Jose Urquidy | SFG | sp | 26 | 4.54 | 4 | 5 | 0 | 17 | 11 | 1 | 0 | 77.1 | 77 | 42 | 39 | 20 | 77 | 12 | 2 |
| Framber Valdez* | Pit | mr | 27 | 3.00 | 3 | 4 | 0 | 46 | 1 | 0 | 0 | 63.0 | 47 | 21 | 21 | 31 | 68 | 5 | 6 |
| Vince Velasquez | StL | sp | 29 | 4.24 | 8 | 3 | 0 | 20 | 20 | 0 | 0 | 99.2 | 94 | 56 | 47 | 29 | 102 | 20 | 7 |
| Pat Venditte* | Atl | mr | 36 | 1.81 | 1 | 1 | 3 | 45 | 0 | 0 | 0 | 44.2 | 31 | 11 | 9 | 17 | 42 | 4 | 7 |
| Alex Vesia* | Col | mr | 25 | 4.20 | 4 | 4 | 2 | 43 | 0 | 0 | 0 | 60.0 | 59 | 28 | 28 | 29 | 77 | 9 | 3 |
| Austin Voth | Mil | sp | 29 | 4.50 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 4.0 | 3 | 2 | 2 | 1 | 4 | 2 | 0 |
| Jacob Waguespack | SDP | sp | 27 | 0.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Marcus Walden | Mil | mr | 32 | 3.18 | 8 | 3 | 5 | 47 | 3 | 0 | 0 | 70.2 | 54 | 27 | 25 | 28 | 46 | 7 | 12 |
| Jeremy Walker | ChC | mr | 26 | 6.39 | 4 | 3 | 3 | 65 | 0 | 0 | 0 | 100.0 | 128 | 74 | 71 | 34 | 76 | 17 | 9 |
| Jared Walsh* | Phi | 1b | 27 | 12.00 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3.0 | 7 | 4 | 4 | 1 | 3 | 0 | 0 |
| Tony Watson* | Atl | mr | 36 | 2.64 | 2 | 2 | 1 | 55 | 0 | 0 | 0 | 47.2 | 40 | 19 | 14 | 22 | 42 | 7 | 7 |
| Luke Weaver | Mia | sp | 27 | 3.35 | 10 | 5 | 0 | 20 | 20 | 0 | 0 | 126.1 | 114 | 51 | 47 | 35 | 114 | 12 | 10 |
| Tyler Webb* | Mil | mr | 30 | 4.64 | 2 | 3 | 3 | 55 | 0 | 0 | 0 | 52.1 | 45 | 27 | 27 | 21 | 48 | 11 | 2 |
| J.B. Wendelken | Mia | mr | 28 | 4.08 | 3 | 0 | 2 | 46 | 0 | 0 | 0 | 64.0 | 63 | 37 | 29 | 15 | 59 | 13 | 4 |
| Zack Wheeler | SFG | sp | 31 | 2.98 | 10 | 11 | 0 | 27 | 27 | 5 | 1 | 187.0 | 149 | 76 | 62 | 46 | 151 | 16 | 14 |
| Mitchell White | Hou | sp | 26 | 10.61 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 9.1 | 14 | 11 | 11 | 3 | 8 | 1 | 1 |
| Tyler White | Mia | 1b | 30 | 10.80 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 8.1 | 9 | 10 | 10 | 11 | 3 | 3 | 0 |
| Rowan Wick | Hou | mr | 28 | 6.98 | 3 | 3 | 2 | 38 | 0 | 0 | 0 | 49.0 | 60 | 42 | 38 | 31 | 47 | 6 | 8 |
| Brad Wieck* | Hou | mr | 29 | 3.98 | 2 | 5 | 5 | 57 | 0 | 0 | 0 | 54.1 | 41 | 28 | 24 | 31 | 90 | 10 | 3 |
| Justin Wilson* | Mia | mr | 33 | 3.55 | 2 | 2 | 1 | 46 | 0 | 0 | 0 | 50.2 | 39 | 23 | 20 | 20 | 71 | 6 | 4 |
| Trey Wingenter | SDP | mr | 27 | 4.03 | 2 | 1 | 1 | 31 | 0 | 0 | 0 | 38.0 | 28 | 18 | 17 | 22 | 52 | 5 | 3 |
| Jake Woodford | Phi | sp | 24 | 5.79 | 3 | 2 | 0 | 8 | 8 | 0 | 0 | 46.2 | 46 | 32 | 30 | 19 | 30 | 5 | 7 |
| Brandon Workman | SDP | cl | 32 | 2.34 | 8 | 4 | 13 | 43 | 0 | 0 | 0 | 57.2 | 32 | 20 | 15 | 18 | 73 | 8 | 2 |
| Kyle Wright | Mia | sp | 25 | 4.67 | 8 | 12 | 0 | 28 | 28 | 0 | 0 | 148.1 | 150 | 85 | 77 | 56 | 114 | 24 | 11 |
| Miguel Yajure | Pit | sp | 23 | 5.47 | 4 | 4 | 2 | 59 | 1 | 0 | 0 | 75.2 | 82 | 48 | 46 | 23 | 61 | 13 | 9 |
| Kirby Yates | Phi | cl | 34 | 2.94 | 4 | 3 | 31 | 48 | 0 | 0 | 0 | 49.0 | 41 | 18 | 16 | 18 | 74 | 8 | 6 |
| Huascar Ynoa | Cin | sp | 23 | 7.84 | 2 | 2 | 1 | 44 | 0 | 0 | 0 | 59.2 | 72 | 52 | 52 | 47 | 60 | 14 | 10 |
| Alex Young* | Atl | sp | 27 | 6.20 | 2 | 7 | 0 | 40 | 17 | 0 | 0 | 114.2 | 135 | 84 | 79 | 48 | 94 | 23 | 9 |
| Daniel Zamora* | StL | mr | 28 | 2.36 | 2 | 3 | 4 | 39 | 0 | 0 | 0 | 42.0 | 36 | 11 | 11 | 23 | 52 | 3 | 3 |
| Kyle Zimmer | Phi | mr | 29 | 10.13 | 0 | 1 | 0 | 8 | 0 | 0 | 0 | 5.1 | 8 | 6 | 6 | 10 | 7 | 2 | 0 |
| Bruce Zimmermann* | LAD | sp | 26 | 6.20 | 3 | 10 | 0 | 18 | 18 | 1 | 0 | 98.2 | 113 | 69 | 68 | 48 | 97 | 20 | 5 |
| 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 |
| Austin L. Adams | Ari | mr | 30 | 3 | 0 | 1 | 0 | 3 | 0 | 0 | 1 | 9.1 | 5.7 | 14.7 | 14.5 | 1.8 | 2.6 | 1.64 |
| Jorge Alcala | Pit | sp | 25 | 5 | 3 | 1 | 3 | 3 | 1 | 0 | 3 | 7.7 | 4.5 | 12.5 | 5.7 | 1.0 | 1.3 | 1.35 |
| Sandy Alcantara | Mia | sp | 25 | 17 | 5 | 0 | 12 | 7 | 1 | 0 | 12 | 8.2 | 3.9 | 12.7 | 6.9 | 1.1 | 1.8 | 1.35 |
| Tyler John Alexander* | SDP | sp | 29 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 9.7 | 2.0 | 12.1 | 6.4 | 1.2 | 3.2 | 1.30 |
| Kolby Allard* |   | sp | 23 | 5 | 4 | 2 | 4 | 2 | 0 | 0 | 3 | 9.1 | 4.5 | 13.8 | 7.2 | 0.9 | 1.6 | 1.51 |
| Logan Allen* | Pit | sp | 24 | 5 | 3 | 0 | 8 | 2 | 0 | 0 | 3 | 9.3 | 2.9 | 12.8 | 8.2 | 1.6 | 2.8 | 1.36 |
| Ian Anderson | NYM | sp | 23 | 3 | 2 | 0 | 6 | 12 | 1 | 0 | 4 | 8.0 | 4.7 | 13.3 | 10.6 | 1.7 | 2.3 | 1.41 |
| Nick Anderson | Phi | mr | 30 | 1 | 0 | 0 | 4 | 3 | 0 | 0 | 0 | 5.0 | 1.9 | 7.4 | 13.3 | 1.1 | 7.2 | 0.76 |
| Shaun Anderson | Phi | sp | 26 | 4 | 3 | 0 | 3 | 3 | 0 | 1 | 3 | 10.2 | 2.2 | 12.7 | 6.6 | 1.3 | 3.0 | 1.37 |
| Tyler Anderson* | SFG | sp | 31 | 4 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 9.0 | 2.8 | 11.9 | 9.6 | 1.4 | 3.4 | 1.31 |
| Victor Arano | Mil | mr | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 3.4 | 9.0 | 10.1 | 1.1 | 3.0 | 1.00 |
| Jake Arrieta | Mia | sp | 35 | 23 | 5 | 0 | 7 | 6 | 0 | 0 | 5 | 8.9 | 2.8 | 12.1 | 6.4 | 1.1 | 2.3 | 1.31 |
| Anthony Banda* | Cin | sp | 27 | 1 | 3 | 0 | 8 | 6 | 1 | 0 | 4 | 8.9 | 3.8 | 13.6 | 8.2 | 1.4 | 2.1 | 1.42 |
| Caleb Baragar* | LAD | sp | 27 | 3 | 1 | 0 | 6 | 11 | 0 | 1 | 5 | 8.2 | 4.2 | 13.0 | 6.8 | 1.5 | 1.6 | 1.37 |
| Kyle Barraclough | SFG | mr | 31 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 3.0 | 3.0 | 5.9 | 9.7 | 0.4 | 3.3 | 0.66 |
| Anthony Bass | ChC | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0.0 | 7.9 | 4.5 | 0.0 | 99.0 | 0.88 |
| Trevor Bauer | Cin | sp | 30 | 10 | 6 | 2 | 12 | 4 | 0 | 0 | 2 | 9.1 | 3.2 | 12.8 | 10.1 | 1.4 | 3.2 | 1.36 |
| Cam Bedrosian |   | mr | 29 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 9.1 | 4.3 | 13.6 | 8.6 | 0.5 | 2.0 | 1.49 |
| Jose Berrios | LAD | sp | 27 | 9 | 8 | 0 | 13 | 4 | 1 | 1 | 4 | 8.5 | 3.1 | 12.1 | 9.2 | 1.5 | 3.0 | 1.28 |
| Dellin Betances | Phi | mr | 33 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 5.0 | 2.3 | 7.6 | 14.4 | 1.0 | 6.3 | 0.81 |
| Shane Bieber | Phi | sp | 26 | 7 | 2 | 0 | 6 | 6 | 1 | 0 | 2 | 8.4 | 1.1 | 9.7 | 10.8 | 1.1 | 10.0 | 1.05 |
| Ray Black | SDP | mr | 31 | 3 | 2 | 0 | 2 | 6 | 0 | 0 | 3 | 7.2 | 6.3 | 14.1 | 13.5 | 1.9 | 2.2 | 1.50 |
| Paul Blackburn | Pit | sp | 27 | 1 | 3 | 0 | 6 | 2 | 1 | 0 | 1 | 10.8 | 3.3 | 15.0 | 5.5 | 1.5 | 1.7 | 1.57 |
| Ronald Bolanos | Pit | sp | 24 | 4 | 1 | 0 | 7 | 15 | 1 | 0 | 1 | 7.9 | 4.8 | 13.3 | 7.4 | 1.1 | 1.5 | 1.41 |
| Ryan Borucki* | Cin | sp | 27 | 9 | 5 | 0 | 3 | 6 | 0 | 1 | 5 | 10.5 | 3.7 | 14.4 | 5.7 | 1.6 | 1.5 | 1.58 |
| James Bourque |   | mr | 27 | 4 | 1 | 1 | 1 | 7 | 0 | 0 | 3 | 10.0 | 4.3 | 14.5 | 10.8 | 1.5 | 2.5 | 1.59 |
| Matt Boyd* | ChC | sp | 30 | 1 | 2 | 1 | 4 | 0 | 1 | 0 | 1 | 9.7 | 2.3 | 12.1 | 10.4 | 1.5 | 4.6 | 1.33 |
| Silvino Bracho | SDP | mr | 28 | 5 | 0 | 0 | 4 | 1 | 0 | 0 | 1 | 7.5 | 2.3 | 10.9 | 14.3 | 1.3 | 6.1 | 1.10 |
| Ryan Brasier | Ari | mr | 33 | 1 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 7.9 | 2.8 | 11.4 | 8.9 | 1.2 | 3.3 | 1.18 |
| Steven Brault* | NYM | sp | 29 | 7 | 4 | 2 | 8 | 4 | 0 | 0 | 1 | 7.5 | 5.7 | 14.1 | 7.0 | 0.9 | 1.2 | 1.47 |
| Jeff Brigham | Atl | mr | 29 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8.0 | 3.4 | 11.6 | 9.3 | 1.5 | 2.8 | 1.27 |
| Zack Britton* | NYM | mr | 33 | 2 | 0 | 2 | 2 | 2 | 1 | 0 | 1 | 7.5 | 4.3 | 12.2 | 8.6 | 0.6 | 2.0 | 1.31 |
| Rex Brothers* | Mia | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.9 | 8.7 | 11.6 | 14.5 | 0.0 | 1.7 | 1.29 |
| Walker Buehler | SFG | sp | 26 | 7 | 2 | 1 | 9 | 2 | 0 | 0 | 4 | 6.8 | 1.7 | 9.0 | 9.1 | 0.9 | 5.2 | 0.95 |
| Aaron Bummer* | Col | mr | 27 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 5.3 | 1.6 | 7.2 | 10.9 | 0.7 | 6.6 | 0.77 |
| Dylan Bundy | SDP | sp | 28 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 9.3 | 1.6 | 11.1 | 11.1 | 2.3 | 7.0 | 1.21 |
| Nick Burdi | StL | mr | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5.4 | 3.6 | 9.0 | 10.8 | 0.9 | 3.0 | 1.00 |
| Trevor Cahill | ChC | sp | 33 | 4 | 3 | 1 | 10 | 9 | 0 | 1 | 3 | 11.0 | 4.6 | 16.7 | 7.2 | 1.7 | 1.6 | 1.73 |
| Griffin Canning | Ari | sp | 25 | 6 | 2 | 0 | 5 | 5 | 1 | 0 | 0 | 9.5 | 3.7 | 14.3 | 9.9 | 1.9 | 2.7 | 1.46 |
| Carlos Carrasco | Phi | sp | 34 | 2 | 1 | 0 | 6 | 1 | 1 | 0 | 3 | 8.6 | 1.9 | 10.9 | 9.8 | 1.6 | 5.1 | 1.17 |
| Humberto Castellanos | Col | mr | 23 | 2 | 1 | 1 | 6 | 5 | 0 | 0 | 1 | 10.7 | 2.5 | 14.0 | 7.4 | 1.1 | 2.9 | 1.47 |
| Luis Castillo | Phi | sp | 28 | 4 | 3 | 0 | 7 | 4 | 0 | 0 | 7 | 8.5 | 3.4 | 12.2 | 10.4 | 1.5 | 3.1 | 1.32 |
| Miguel Castro | ChC | mr | 26 | 2 | 0 | 1 | 2 | 12 | 1 | 0 | 3 | 10.4 | 4.1 | 14.8 | 6.6 | 0.8 | 1.6 | 1.62 |
| Dylan Cease | Hou | sp | 25 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7.3 | 3.2 | 10.5 | 11.4 | 1.8 | 3.6 | 1.17 |
| Andrew Chafin* | SFG | mr | 31 | 0 | 0 | 2 | 1 | 2 | 1 | 0 | 2 | 7.9 | 3.5 | 11.6 | 10.8 | 1.1 | 3.1 | 1.27 |
| Aroldis Chapman* | Mil | cl | 33 | 1 | 2 | 3 | 1 | 4 | 0 | 0 | 1 | 4.2 | 1.9 | 6.3 | 16.3 | 0.4 | 8.5 | 0.68 |
| Yonny Chirinos | Phi | sp | 27 | 2 | 2 | 1 | 8 | 4 | 0 | 0 | 6 | 9.8 | 1.6 | 12.0 | 6.7 | 1.8 | 4.1 | 1.27 |
| Aaron Civale | Mil | sp | 26 | 6 | 1 | 0 | 6 | 5 | 0 | 0 | 4 | 8.3 | 2.1 | 10.8 | 5.5 | 0.8 | 2.6 | 1.16 |
| Mike Clevinger | Phi | sp | 30 | 11 | 8 | 0 | 3 | 5 | 1 | 0 | 2 | 7.8 | 3.2 | 11.2 | 10.4 | 1.0 | 3.3 | 1.22 |
| Edwar Colina | LAD | sp | 24 | 2 | 2 | 0 | 4 | 10 | 1 | 0 | 4 | 10.9 | 5.9 | 17.4 | 7.0 | 1.8 | 1.2 | 1.88 |
| Alex Colome | NYM | mr | 32 | 1 | 1 | 2 | 1 | 5 | 0 | 0 | 0 | 8.2 | 3.7 | 12.0 | 8.9 | 1.1 | 2.4 | 1.32 |
| Patrick Corbin* | Ari | sp | 31 | 5 | 6 | 1 | 5 | 6 | 2 | 0 | 4 | 8.9 | 3.4 | 12.6 | 10.7 | 1.4 | 3.1 | 1.37 |
| Stefan Crichton | NYM | mr | 29 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 7.8 | 3.0 | 11.1 | 7.4 | 1.7 | 2.4 | 1.20 |
| Wil Crowe | SFG | sp | 26 | 3 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 18.2 | 3.1 | 22.0 | 6.9 | 1.6 | 2.2 | 2.37 |
| Johnny Cueto | NYM | sp | 35 | 4 | 1 | 0 | 7 | 2 | 2 | 0 | 3 | 9.1 | 2.3 | 12.3 | 7.5 | 1.6 | 3.2 | 1.27 |
| Yu Darvish | Mil | sp | 34 | 10 | 4 | 2 | 6 | 13 | 1 | 0 | 7 | 7.5 | 3.4 | 11.2 | 11.4 | 1.1 | 3.4 | 1.21 |
| Austin Davis* | Pit | mr | 28 | 4 | 1 | 1 | 6 | 5 | 0 | 0 | 3 | 6.7 | 3.6 | 11.1 | 11.1 | 1.3 | 3.1 | 1.14 |
| Jacob deGrom | Hou | sp | 33 | 6 | 1 | 1 | 4 | 3 | 0 | 0 | 3 | 7.8 | 2.6 | 10.5 | 10.0 | 1.0 | 3.9 | 1.15 |
| Anthony DeSclafani | SFG | sp | 31 | 10 | 5 | 3 | 4 | 4 | 0 | 0 | 3 | 7.5 | 2.7 | 10.5 | 8.5 | 1.3 | 3.1 | 1.14 |
| Jairo Diaz |   | mr | 30 | 2 | 3 | 0 | 4 | 5 | 2 | 0 | 1 | 5.8 | 2.6 | 8.9 | 7.1 | 0.5 | 2.8 | 0.93 |
| Jake Diekman* | Hou | mr | 34 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 3 | 7.4 | 4.5 | 12.2 | 9.9 | 0.7 | 2.2 | 1.32 |
| Rafael Dolis | NYM | mr | 33 | 1 | 2 | 0 | 4 | 2 | 0 | 0 | 1 | 7.3 | 3.2 | 11.3 | 9.7 | 1.2 | 3.1 | 1.17 |
| Sean Doolittle* | Ari | cl | 34 | 2 | 1 | 2 | 1 | 1 | 0 | 1 | 1 | 5.4 | 2.5 | 8.1 | 9.7 | 0.9 | 3.9 | 0.88 |
| Oliver Drake | Hou | mr | 34 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 0 | 8.1 | 2.4 | 11.1 | 9.6 | 0.8 | 3.9 | 1.18 |
| Tyler Duffey | Pit | mr | 30 | 0 | 1 | 0 | 1 | 3 | 1 | 0 | 0 | 10.0 | 2.3 | 12.4 | 10.6 | 1.4 | 4.6 | 1.36 |
| Sam Dyson | NYM | mr | 33 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | 11.2 | 2.5 | 13.7 | 5.8 | 0.7 | 2.3 | 1.52 |
| Carl Edwards Jr. | Hou | mr | 29 | 1 | 2 | 0 | 1 | 4 | 0 | 0 | 2 | 4.7 | 2.5 | 7.4 | 9.8 | 0.6 | 3.8 | 0.80 |
| Nathan Eovaldi | Cin | sp | 31 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 9.3 | 1.1 | 10.8 | 8.0 | 2.4 | 7.4 | 1.15 |
| Tom Eshelman | Cin | sp | 27 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 12.8 | 2.9 | 15.9 | 6.8 | 2.9 | 2.3 | 1.74 |
| Carlos Estevez | Mia | mr | 28 | 4 | 2 | 0 | 3 | 0 | 0 | 1 | 2 | 5.5 | 3.1 | 8.9 | 9.6 | 1.3 | 3.2 | 0.95 |
| Jeurys Familia | SFG | mr | 31 | 2 | 2 | 2 | 1 | 3 | 1 | 0 | 1 | 8.5 | 3.7 | 12.3 | 8.3 | 0.4 | 2.2 | 1.35 |
| Erick Fedde | Cin | sp | 28 | 0 | 3 | 1 | 5 | 0 | 0 | 0 | 0 | 9.0 | 3.2 | 12.9 | 6.4 | 1.0 | 2.0 | 1.35 |
| Michael Feliz | Pit | mr | 28 | 2 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 7.6 | 5.8 | 14.0 | 10.0 | 0.9 | 1.7 | 1.48 |
| Caleb Ferguson* | Col | mr | 24 | 0 | 2 | 1 | 4 | 3 | 1 | 1 | 1 | 8.8 | 4.4 | 13.7 | 11.6 | 1.3 | 2.6 | 1.46 |
| Junior Fernandez | Cin | mr | 24 | 2 | 1 | 0 | 3 | 5 | 0 | 0 | 1 | 6.0 | 4.3 | 10.9 | 9.0 | 1.5 | 2.1 | 1.15 |
| Matt Foster | StL | mr | 26 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 6.5 | 0.9 | 7.4 | 10.9 | 0.4 | 12.5 | 0.82 |
| Giovanny Gallegos | Col | mr | 29 | 7 | 0 | 2 | 2 | 2 | 0 | 0 | 2 | 8.1 | 1.6 | 10.0 | 12.2 | 1.6 | 7.4 | 1.08 |
| Bryan Garcia | Cin | mr | 26 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 12.8 | 2.8 | 15.5 | 9.3 | 2.0 | 3.4 | 1.72 |
| Deivi Garcia | SFG | sp | 22 | 1 | 4 | 0 | 2 | 1 | 1 | 0 | 1 | 8.8 | 6.2 | 15.4 | 8.6 | 1.8 | 1.4 | 1.67 |
| Rico Garcia | Pit | sp | 27 | 3 | 1 | 0 | 5 | 10 | 0 | 0 | 2 | 10.9 | 4.2 | 15.5 | 8.2 | 1.4 | 2.0 | 1.68 |
| Yimi Garcia | SDP | mr | 30 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 8.8 | 1.5 | 11.0 | 8.6 | 1.5 | 5.8 | 1.15 |
| Amir Garrett* | Mia | mr | 29 | 4 | 3 | 1 | 4 | 2 | 0 | 0 | 1 | 6.4 | 3.0 | 10.0 | 11.6 | 1.4 | 3.8 | 1.05 |
| Braxton Garrett* | Cin | sp | 23 | 2 | 2 | 1 | 3 | 10 | 2 | 0 | 7 | 8.2 | 2.6 | 11.0 | 8.9 | 1.3 | 3.4 | 1.20 |
| Kevin Gausman | NYM | sp | 30 | 6 | 1 | 1 | 7 | 4 | 0 | 0 | 2 | 7.8 | 2.4 | 10.6 | 7.9 | 1.2 | 3.3 | 1.13 |
| Ken Giles | Hou | cl | 30 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 6.9 | 1.5 | 8.5 | 10.0 | 0.0 | 6.5 | 0.94 |
| Kevin Ginkel | SDP | mr | 27 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.4 | 6.1 | 11.0 | 12.7 | 1.7 | 2.1 | 1.16 |
| Mychal Givens | SDP | mr | 31 | 5 | 2 | 0 | 1 | 5 | 0 | 0 | 3 | 10.7 | 2.7 | 13.6 | 11.1 | 1.4 | 4.1 | 1.49 |
| Tyler Glasnow | Hou | sp | 27 | 7 | 2 | 1 | 7 | 6 | 1 | 0 | 3 | 8.2 | 3.9 | 12.6 | 10.9 | 1.4 | 2.8 | 1.35 |
| Tony Gonsolin | LAD | sp | 27 | 3 | 0 | 0 | 2 | 13 | 0 | 0 | 0 | 12.4 | 5.2 | 17.9 | 9.7 | 3.4 | 1.9 | 1.96 |
| Gio Gonzalez* | Hou | sp | 35 | 4 | 2 | 0 | 5 | 7 | 0 | 0 | 2 | 8.1 | 3.6 | 12.0 | 8.5 | 1.3 | 2.3 | 1.30 |
| Victor Gonzalez* | Cin | mr | 25 | 6 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 9.0 | 2.0 | 11.4 | 7.9 | 1.3 | 3.9 | 1.22 |
| MacKenzie Gore* | Mia | sp | 22 | 3 | 1 | 0 | 1 | 5 | 0 | 0 | 2 | 9.1 | 4.3 | 13.6 | 9.6 | 0.0 | 2.3 | 1.49 |
| Trevor Gott | Mil | mr | 28 | 3 | 3 | 3 | 2 | 3 | 0 | 0 | 2 | 7.7 | 3.8 | 11.8 | 8.6 | 1.1 | 2.3 | 1.27 |
| Jon Gray | Ari | sp | 29 | 15 | 5 | 1 | 5 | 5 | 1 | 0 | 4 | 8.5 | 2.6 | 11.4 | 7.9 | 1.3 | 3.1 | 1.23 |
| Sonny Gray | NYM | sp | 31 | 5 | 6 | 0 | 2 | 7 | 0 | 0 | 3 | 7.9 | 3.5 | 11.5 | 9.8 | 1.4 | 2.8 | 1.26 |
| Shane Greene | Mil | cl | 32 | 3 | 0 | 2 | 4 | 1 | 1 | 0 | 2 | 6.8 | 4.4 | 11.9 | 9.1 | 1.5 | 2.1 | 1.25 |
| Zack Greinke | Col | sp | 37 | 3 | 3 | 0 | 2 | 3 | 2 | 0 | 3 | 9.1 | 1.6 | 10.7 | 8.1 | 1.0 | 5.2 | 1.19 |
| Zac Grotz | Hou | mr | 28 | 2 | 1 | 0 | 4 | 6 | 0 | 0 | 3 | 8.2 | 3.1 | 11.8 | 7.1 | 1.5 | 2.3 | 1.26 |
| Deolis Guerra | StL | mr | 32 | 2 | 1 | 0 | 2 | 2 | 0 | 0 | 3 | 6.6 | 2.6 | 9.5 | 7.4 | 0.3 | 2.9 | 1.02 |
| Javy Guerra | NYM | mr | 35 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 8.1 | 2.7 | 11.4 | 8.4 | 0.3 | 3.1 | 1.20 |
| Taylor Guilbeau* | Phi | mr | 28 | 2 | 1 | 0 | 2 | 2 | 0 | 0 | 2 | 7.5 | 3.8 | 11.7 | 7.5 | 0.4 | 2.0 | 1.26 |
| Blaine Hardy* | Col | mr | 34 | 6 | 0 | 0 | 1 | 4 | 0 | 0 | 2 | 11.2 | 2.3 | 13.7 | 7.8 | 1.6 | 3.3 | 1.51 |
| Will Harris | Col | mr | 36 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 2 | 6.6 | 2.3 | 9.2 | 6.9 | 0.4 | 3.1 | 0.98 |
| Thomas Hatch | Cin | sp | 26 | 7 | 4 | 0 | 6 | 3 | 2 | 0 | 4 | 10.6 | 3.0 | 14.1 | 6.8 | 1.7 | 2.2 | 1.52 |
| Andrew Heaney* | StL | sp | 30 | 3 | 6 | 1 | 6 | 7 | 0 | 0 | 2 | 7.6 | 2.9 | 10.8 | 10.0 | 1.0 | 3.4 | 1.17 |
| Ben Heller | Col | mr | 29 | 1 | 0 | 0 | 2 | 6 | 0 | 1 | 0 | 8.5 | 3.0 | 12.5 | 8.0 | 1.5 | 2.7 | 1.28 |
| Liam Hendriks | SFG | cl | 32 | 3 | 5 | 1 | 0 | 4 | 0 | 0 | 1 | 6.9 | 2.9 | 9.8 | 13.6 | 0.9 | 4.7 | 1.09 |
| Jordan Hicks | Phi | cl | 24 | 1 | 0 | 0 | 5 | 5 | 0 | 1 | 1 | 7.0 | 4.4 | 12.2 | 8.8 | 1.0 | 2.0 | 1.26 |
| Tim Hill* | Ari | mr | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.0 | 3.0 | 15.0 | 6.0 | 0.0 | 2.0 | 1.67 |
| Yoshihisa Hirano | StL | mr | 37 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 6.8 | 3.4 | 10.6 | 9.3 | 0.9 | 2.7 | 1.14 |
| Adrian Houser | Phi | sp | 28 | 7 | 1 | 0 | 8 | 8 | 2 | 0 | 3 | 8.0 | 2.8 | 11.6 | 7.5 | 1.1 | 2.7 | 1.20 |
| Spencer Howard | Hou | sp | 24 | 4 | 3 | 0 | 8 | 14 | 0 | 0 | 0 | 8.9 | 5.1 | 14.8 | 9.6 | 0.9 | 1.9 | 1.56 |
| James Hoyt | Atl | mr | 34 | 2 | 1 | 0 | 1 | 3 | 1 | 0 | 0 | 7.7 | 6.2 | 14.1 | 9.4 | 0.2 | 1.5 | 1.54 |
| Tommy Hunter | StL | mr | 34 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 5.9 | 3.5 | 10.0 | 2.3 | 1.2 | 0.7 | 1.04 |
| Raisel Iglesias | Hou | cl | 31 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 3 | 7.3 | 2.8 | 10.2 | 10.6 | 1.7 | 3.8 | 1.12 |
| Kenley Jansen | Atl | cl | 33 | 7 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 7.4 | 1.5 | 9.1 | 10.5 | 1.8 | 7.1 | 0.99 |
| Daulton Jefferies | Phi | sp | 25 | 3 | 1 | 0 | 4 | 5 | 1 | 0 | 2 | 9.2 | 1.4 | 11.1 | 8.6 | 1.2 | 6.2 | 1.18 |
| Jeremy Jeffress | Mia | mr | 33 | 0 | 2 | 0 | 6 | 5 | 1 | 0 | 2 | 7.9 | 2.7 | 11.3 | 7.3 | 0.7 | 2.7 | 1.18 |
| Pierce Johnson | Cin | mr | 30 | 6 | 4 | 0 | 1 | 2 | 0 | 0 | 2 | 10.2 | 3.5 | 13.9 | 10.4 | 1.3 | 3.0 | 1.53 |
| Damon Jones* | Mia | sp | 26 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 7.9 | 11.1 | 19.1 | 8.7 | 0.0 | 0.8 | 2.12 |
| James Kaprielian | Pit | sp | 27 | 1 | 1 | 0 | 3 | 2 | 1 | 0 | 5 | 12.6 | 2.7 | 15.9 | 8.4 | 2.5 | 3.1 | 1.70 |
| James Karinchak | SFG | mr | 25 | 3 | 1 | 0 | 0 | 6 | 1 | 0 | 0 | 5.0 | 5.6 | 10.6 | 16.4 | 0.8 | 3.0 | 1.18 |
| Anthony Kay* | SFG | sp | 26 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 11.2 | 7.9 | 19.8 | 9.2 | 1.3 | 1.2 | 2.12 |
| Kyle Keller | SFG | mr | 28 | 1 | 0 | 0 | 4 | 5 | 0 | 0 | 1 | 6.8 | 3.3 | 10.7 | 9.6 | 1.4 | 2.9 | 1.12 |
| Joe Kelly | Col | mr | 33 | 0 | 0 | 2 | 0 | 4 | 1 | 0 | 1 | 8.3 | 4.6 | 12.9 | 7.1 | 1.0 | 1.6 | 1.43 |
| Merrill Kelly | Mil | sp | 32 | 3 | 6 | 1 | 7 | 4 | 1 | 0 | 6 | 10.6 | 2.9 | 13.9 | 7.0 | 1.0 | 2.4 | 1.50 |
| Ian Kennedy | StL | cl | 36 | 1 | 1 | 0 | 1 | 4 | 1 | 0 | 1 | 8.6 | 2.5 | 11.3 | 8.4 | 1.9 | 3.3 | 1.23 |
| Clayton Kershaw* | Atl | sp | 33 | 4 | 3 | 0 | 1 | 1 | 0 | 0 | 4 | 6.9 | 1.8 | 8.8 | 9.4 | 1.1 | 5.1 | 0.97 |
| Kwang-hyun Kim* | SFG | sp | 32 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 4 | 9.6 | 2.5 | 12.4 | 5.8 | 1.1 | 2.3 | 1.35 |
| Craig Kimbrel | Atl | cl | 33 | 3 | 1 | 0 | 2 | 3 | 0 | 0 | 1 | 8.8 | 5.7 | 15.1 | 15.3 | 1.2 | 2.7 | 1.62 |
| Brandon Kintzler | Atl | mr | 36 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 5.9 | 3.0 | 9.2 | 6.7 | 0.6 | 2.3 | 0.99 |
| Andrew Kittredge | SDP | mr | 31 | 0 | 4 | 0 | 2 | 1 | 0 | 0 | 1 | 9.4 | 1.9 | 11.5 | 9.1 | 0.8 | 4.9 | 1.25 |
| Corey Kluber | Mil | sp | 35 | 11 | 4 | 1 | 7 | 3 | 0 | 1 | 7 | 8.4 | 3.4 | 12.2 | 9.3 | 1.1 | 2.8 | 1.31 |
| Corey Knebel |   | cl | 29 | 10 | 1 | 1 | 3 | 0 | 0 | 0 | 1 | 8.0 | 4.7 | 13.3 | 11.9 | 1.8 | 2.5 | 1.41 |
| Michael Kopech | Mil | sp | 25 | 14 | 8 | 3 | 14 | 13 | 1 | 0 | 5 | 9.2 | 5.0 | 15.6 | 8.6 | 1.2 | 1.7 | 1.58 |
| Dean Kremer | LAD | sp | 25 | 7 | 2 | 0 | 4 | 7 | 0 | 0 | 2 | 12.4 | 4.9 | 17.7 | 9.0 | 2.8 | 1.8 | 1.92 |
| Joel Kuhnel | Ari | mr | 26 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 6.1 | 2.5 | 11.0 | 4.9 | 2.5 | 2.0 | 0.95 |
| Derek Law | NYM | mr | 30 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 2 | 7.1 | 4.4 | 12.7 | 9.1 | 1.6 | 2.1 | 1.28 |
| Josh Lindblom | ChC | sp | 34 | 7 | 2 | 2 | 6 | 7 | 1 | 0 | 1 | 10.0 | 1.7 | 12.1 | 8.0 | 1.0 | 4.7 | 1.30 |
| Jonathan Loaisiga | Hou | sp | 26 | 7 | 3 | 0 | 2 | 5 | 0 | 0 | 0 | 9.3 | 3.6 | 13.2 | 10.7 | 1.3 | 3.0 | 1.43 |
| Walker Lockett | Col | sp | 27 | 5 | 0 | 0 | 2 | 7 | 0 | 0 | 1 | 12.0 | 2.7 | 14.9 | 5.9 | 2.4 | 2.2 | 1.63 |
| Reynaldo Lopez | SFG | sp | 27 | 2 | 2 | 0 | 3 | 4 | 0 | 0 | 5 | 9.1 | 3.1 | 12.4 | 9.1 | 1.2 | 3.0 | 1.36 |
| Michael Lorenzen | Hou | mr | 29 | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 2 | 6.9 | 4.2 | 11.6 | 7.1 | 1.1 | 1.7 | 1.24 |
| Joey Lucchesi* |   | sp | 28 | 9 | 4 | 3 | 3 | 5 | 1 | 0 | 5 | 10.0 | 3.0 | 13.1 | 9.0 | 1.6 | 3.0 | 1.44 |
| Lance Lynn | Ari | sp | 34 | 8 | 2 | 1 | 9 | 2 | 0 | 0 | 5 | 10.9 | 2.5 | 13.9 | 9.0 | 1.9 | 3.6 | 1.49 |
| Kenta Maeda |   | sp | 33 | 3 | 1 | 1 | 3 | 4 | 2 | 0 | 2 | 8.2 | 2.4 | 10.7 | 9.6 | 1.4 | 4.0 | 1.17 |
| Tyler Mahle | Ari | sp | 26 | 4 | 3 | 1 | 3 | 0 | 0 | 1 | 0 | 9.4 | 3.0 | 12.8 | 6.6 | 2.2 | 2.2 | 1.37 |
| Matt Manning | Mia | sp | 23 | 12 | 5 | 0 | 6 | 6 | 0 | 0 | 5 | 8.2 | 2.7 | 11.3 | 8.3 | 1.1 | 3.1 | 1.21 |
| German Marquez | Atl | sp | 26 | 5 | 8 | 0 | 9 | 2 | 1 | 0 | 4 | 8.3 | 2.6 | 11.3 | 7.9 | 1.3 | 3.0 | 1.21 |
| Brett Martin* | NYM | mr | 26 | 0 | 1 | 5 | 1 | 3 | 0 | 0 | 1 | 9.9 | 4.7 | 14.7 | 7.7 | 1.0 | 1.6 | 1.61 |
| Chris Martin | Mil | mr | 35 | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 3 | 8.1 | 0.8 | 9.3 | 9.7 | 0.8 | 12.3 | 0.99 |
| Carlos Martinez | Cin | sp | 29 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 7.8 | 3.9 | 12.0 | 9.4 | 0.6 | 2.4 | 1.29 |
| Phil Maton | StL | mr | 28 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 4 | 7.5 | 2.1 | 9.8 | 10.6 | 0.8 | 5.0 | 1.07 |
| Tyler Matzek* | Atl | mr | 30 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12.3 | 17.2 | 29.5 | 12.3 | 0.0 | 0.7 | 3.27 |
| Dustin May | LAD | sp | 23 | 6 | 2 | 0 | 4 | 9 | 1 | 0 | 4 | 9.0 | 2.2 | 11.6 | 7.4 | 1.1 | 3.4 | 1.24 |
| Trevor May | SFG | mr | 31 | 4 | 0 | 0 | 4 | 3 | 0 | 0 | 3 | 5.5 | 3.1 | 9.4 | 10.7 | 0.7 | 3.4 | 0.97 |
| Chris Mazza | Phi | sp | 31 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8.4 | 1.9 | 10.2 | 4.7 | 0.5 | 2.5 | 1.14 |
| Lance McCullers Jr. | StL | sp | 27 | 4 | 1 | 0 | 7 | 10 | 0 | 0 | 1 | 9.1 | 2.5 | 12.2 | 8.7 | 1.2 | 3.5 | 1.29 |
| Collin McHugh | Ari | mr | 34 | 4 | 1 | 2 | 5 | 1 | 0 | 0 | 4 | 9.5 | 2.9 | 13.0 | 8.5 | 1.0 | 2.9 | 1.38 |
| Triston McKenzie | LAD | sp | 23 | 4 | 2 | 0 | 2 | 7 | 1 | 0 | 3 | 9.8 | 2.5 | 12.7 | 6.5 | 1.4 | 2.6 | 1.37 |
| John Means* | NYM | sp | 28 | 6 | 4 | 2 | 1 | 3 | 0 | 0 | 1 | 8.3 | 1.4 | 9.8 | 7.7 | 1.7 | 5.3 | 1.08 |
| Trevor Megill | NYM | mr | 27 | 3 | 1 | 0 | 2 | 4 | 0 | 0 | 2 | 10.8 | 3.8 | 14.9 | 11.9 | 2.5 | 3.1 | 1.62 |
| Ryan Meisinger | StL | mr | 27 | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 1 | 6.0 | 2.8 | 9.3 | 8.6 | 1.5 | 3.1 | 0.98 |
| Conner Menez* | Mia | sp | 26 | 2 | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 8.3 | 5.5 | 14.1 | 7.7 | 1.2 | 1.4 | 1.53 |
| Daniel Mengden | SDP | sp | 28 | 6 | 4 | 0 | 5 | 1 | 0 | 0 | 4 | 9.6 | 2.0 | 12.0 | 6.9 | 1.2 | 3.4 | 1.29 |
| Miles Mikolas | ChC | sp | 32 | 4 | 5 | 2 | 12 | 2 | 0 | 0 | 4 | 9.0 | 1.8 | 11.4 | 6.3 | 1.2 | 3.5 | 1.20 |
| Alec Mills | ChC | sp | 29 | 2 | 2 | 1 | 1 | 4 | 0 | 0 | 3 | 9.6 | 3.7 | 13.4 | 7.9 | 1.4 | 2.2 | 1.48 |
| Hoby Milner* | Ari | mr | 30 | 1 | 3 | 4 | 1 | 5 | 0 | 0 | 1 | 7.1 | 2.9 | 10.1 | 10.1 | 0.3 | 3.5 | 1.11 |
| Mike Minor* | SDP | sp | 33 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 7.2 | 1.6 | 8.9 | 8.5 | 1.2 | 5.5 | 0.97 |
| Casey Mize | StL | sp | 24 | 5 | 3 | 0 | 4 | 0 | 1 | 0 | 4 | 8.6 | 1.6 | 10.4 | 6.6 | 1.3 | 4.2 | 1.13 |
| Frankie Montas | Col | sp | 28 | 3 | 4 | 3 | 6 | 5 | 0 | 0 | 7 | 10.5 | 2.8 | 13.8 | 8.8 | 1.9 | 3.1 | 1.48 |
| Mike Montgomery* | ChC | mr | 31 | 1 | 2 | 1 | 0 | 3 | 1 | 0 | 1 | 10.7 | 3.1 | 13.7 | 6.6 | 1.0 | 2.1 | 1.53 |
| Adrian Morejon* | Pit | sp | 22 | 3 | 4 | 1 | 4 | 1 | 0 | 0 | 1 | 8.5 | 4.1 | 13.0 | 11.0 | 1.4 | 2.7 | 1.40 |
| Brandon Morrow | Mil | mr | 36 | 1 | 0 | 0 | 3 | 4 | 0 | 0 | 1 | 11.4 | 2.2 | 14.6 | 7.3 | 2.2 | 3.3 | 1.52 |
| Charlie Morton | Col | sp | 37 | 7 | 6 | 1 | 7 | 4 | 1 | 0 | 2 | 9.3 | 2.8 | 12.5 | 11.0 | 1.1 | 3.9 | 1.34 |
| Joe Musgrove | LAD | sp | 28 | 2 | 2 | 0 | 5 | 4 | 1 | 0 | 4 | 7.6 | 2.1 | 9.9 | 7.7 | 0.9 | 3.7 | 1.07 |
| Nick Neidert | Pit | sp | 24 | 3 | 1 | 0 | 5 | 5 | 0 | 0 | 0 | 8.9 | 2.2 | 11.7 | 6.8 | 1.6 | 3.1 | 1.23 |
| Jimmy Nelson | ChC | sp | 32 | 7 | 4 | 0 | 3 | 5 | 0 | 1 | 1 | 10.9 | 4.2 | 15.5 | 8.0 | 1.3 | 1.9 | 1.68 |
| Kyle Nelson* | SDP | mr | 24 | 1 | 0 | 0 | 6 | 2 | 0 | 0 | 0 | 12.7 | 2.7 | 17.0 | 11.3 | 2.7 | 4.2 | 1.71 |
| Hector Neris | StL | cl | 32 | 4 | 2 | 0 | 7 | 5 | 0 | 0 | 1 | 7.3 | 4.0 | 12.4 | 13.1 | 1.0 | 3.3 | 1.26 |
| Sean Newcomb* | Ari | mr | 28 | 2 | 2 | 2 | 4 | 4 | 1 | 0 | 3 | 7.2 | 4.6 | 12.2 | 8.0 | 1.2 | 1.7 | 1.31 |
| Juan Nicasio | Mil | mr | 34 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 9.1 | 2.0 | 11.3 | 9.3 | 1.1 | 4.7 | 1.23 |
| John Nogowski* | SDP | 1b | 28 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 8.3 | 4.8 | 13.2 | 5.5 | 0.0 | 1.1 | 1.46 |
| Aaron Nola | SDP | sp | 28 | 17 | 4 | 0 | 5 | 0 | 1 | 0 | 6 | 7.7 | 3.0 | 10.9 | 8.1 | 0.8 | 2.7 | 1.19 |
| Daniel Norris* | ChC | sp | 28 | 6 | 4 | 0 | 4 | 3 | 2 | 0 | 4 | 10.8 | 3.1 | 14.2 | 8.5 | 1.6 | 2.8 | 1.54 |
| Emilio Pagan | SDP | cl | 30 | 7 | 1 | 0 | 3 | 4 | 0 | 0 | 2 | 8.6 | 3.0 | 12.0 | 10.8 | 0.7 | 3.6 | 1.29 |
| James Paxton* | Ari | sp | 32 | 3 | 0 | 1 | 3 | 5 | 0 | 0 | 1 | 6.1 | 2.4 | 8.9 | 9.8 | 1.0 | 4.1 | 0.94 |
| Brad Peacock | SDP | sp | 33 | 10 | 2 | 2 | 1 | 1 | 0 | 0 | 1 | 10.0 | 4.3 | 14.4 | 10.6 | 1.5 | 2.5 | 1.59 |
| Nate Pearson | ChC | sp | 24 | 7 | 6 | 0 | 10 | 8 | 0 | 0 | 3 | 11.5 | 3.0 | 15.2 | 8.7 | 1.8 | 2.9 | 1.61 |
| Freddy Peralta | Cin | mr | 25 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 8.1 | 4.3 | 12.5 | 9.3 | 1.5 | 2.2 | 1.38 |
| Luis Perdomo | Ari | mr | 28 | 3 | 1 | 0 | 2 | 4 | 0 | 1 | 1 | 8.7 | 3.3 | 12.2 | 7.6 | 1.1 | 2.3 | 1.33 |
| Cionel Perez* | Mia | sp | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12.1 | 7.4 | 19.6 | 8.4 | 1.9 | 1.1 | 2.17 |
| Martin Perez* | Pit | sp | 30 | 1 | 4 | 1 | 0 | 1 | 0 | 0 | 5 | 8.1 | 3.9 | 12.0 | 6.1 | 1.1 | 1.6 | 1.33 |
| David Peterson* | StL | sp | 25 | 2 | 3 | 1 | 4 | 3 | 0 | 0 | 0 | 7.8 | 3.7 | 11.8 | 6.9 | 0.9 | 1.9 | 1.28 |
| Yusmeiro Petit | SFG | mr | 36 | 2 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 6.3 | 1.0 | 7.5 | 7.9 | 1.4 | 8.3 | 0.81 |
| Zach Plesac | Pit | sp | 26 | 3 | 7 | 0 | 5 | 9 | 0 | 1 | 4 | 10.6 | 2.3 | 13.1 | 7.8 | 1.3 | 3.4 | 1.43 |
| Colin Poche* | Mil | mr | 27 | 6 | 2 | 0 | 4 | 5 | 0 | 0 | 3 | 7.5 | 2.3 | 10.3 | 12.7 | 1.8 | 5.5 | 1.09 |
| Cody Ponce | Phi | mr | 27 | 5 | 1 | 1 | 2 | 2 | 0 | 0 | 4 | 9.7 | 3.4 | 13.5 | 5.8 | 1.4 | 1.7 | 1.46 |
| Daniel Ponce De Leon | Col | sp | 29 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 1 | 10.9 | 4.4 | 15.5 | 6.9 | 2.3 | 1.6 | 1.70 |
| Ryan Pressly | Ari | mr | 32 | 2 | 2 | 0 | 2 | 2 | 1 | 0 | 1 | 8.4 | 3.0 | 11.8 | 12.4 | 1.1 | 4.1 | 1.27 |
| David Price* | Mil | sp | 35 | 4 | 7 | 0 | 3 | 3 | 0 | 0 | 0 | 8.2 | 2.2 | 10.6 | 9.0 | 1.1 | 4.0 | 1.16 |
| Jose Quijada* | Pit | mr | 25 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 9.8 | 5.7 | 16.4 | 10.6 | 0.0 | 1.9 | 1.73 |
| Tanner Rainey | SFG | mr | 28 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 5.7 | 9.9 | 17.1 | 15.6 | 0.0 | 1.6 | 1.74 |
| Edubray Ramos | SDP | mr | 28 | 2 | 2 | 0 | 2 | 5 | 1 | 0 | 2 | 9.4 | 3.6 | 13.5 | 7.6 | 0.4 | 2.1 | 1.45 |
| Alex Reyes | Ari | sp | 26 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 10.0 | 5.0 | 16.0 | 12.0 | 2.0 | 2.4 | 1.67 |
| Garrett Richards | Ari | sp | 33 | 3 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 9.8 | 3.0 | 13.3 | 9.3 | 2.6 | 3.1 | 1.42 |
| Dereck Rodriguez | Cin | sp | 29 | 4 | 1 | 1 | 5 | 5 | 0 | 0 | 4 | 9.9 | 4.2 | 14.7 | 6.9 | 1.9 | 1.6 | 1.57 |
| Chaz Roe |   | mr | 34 | 0 | 0 | 1 | 3 | 1 | 0 | 1 | 2 | 12.9 | 3.0 | 17.1 | 10.3 | 0.9 | 3.4 | 1.76 |
| Taylor Rogers* | Ari | cl | 30 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4.0 | 4.0 | 8.8 | 10.8 | 0.0 | 2.7 | 0.90 |
| Hector Rondon | StL | mr | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 1.4 | 7.1 | 9.2 | 1.4 | 6.5 | 0.79 |
| Chris Rusin* | Col | mr | 34 | 1 | 3 | 0 | 3 | 4 | 0 | 0 | 4 | 15.9 | 1.4 | 18.3 | 8.3 | 1.7 | 6.0 | 1.92 |
| Hyun-Jin Ryu* | Col | sp | 34 | 5 | 3 | 0 | 1 | 1 | 1 | 0 | 2 | 8.7 | 1.6 | 10.3 | 8.6 | 1.5 | 5.4 | 1.14 |
| Casey Sadler | Col | mr | 30 | 1 | 2 | 0 | 5 | 1 | 0 | 0 | 2 | 8.1 | 2.2 | 11.0 | 5.8 | 1.2 | 2.6 | 1.14 |
| Aaron Sanchez | SDP | sp | 28 | 4 | 5 | 2 | 9 | 5 | 2 | 0 | 3 | 9.3 | 4.7 | 14.6 | 7.6 | 0.9 | 1.6 | 1.56 |
| Sixto Sanchez | LAD | sp | 22 | 9 | 1 | 0 | 5 | 0 | 0 | 0 | 2 | 9.1 | 2.2 | 11.7 | 6.2 | 1.0 | 2.9 | 1.25 |
| Patrick Sandoval* | Cin | sp | 24 | 3 | 1 | 1 | 3 | 11 | 0 | 0 | 8 | 9.6 | 4.8 | 14.7 | 8.7 | 1.3 | 1.8 | 1.61 |
| Dennis Santana | Atl | sp | 25 | 6 | 2 | 1 | 7 | 6 | 1 | 0 | 2 | 9.9 | 3.6 | 14.3 | 9.3 | 1.6 | 2.6 | 1.51 |
| Ervin Santana | Atl | sp | 38 | 5 | 3 | 0 | 3 | 4 | 1 | 0 | 3 | 8.8 | 2.8 | 11.8 | 7.2 | 1.6 | 2.6 | 1.29 |
| Josh Sborz | StL | mr | 27 | 2 | 2 | 0 | 3 | 3 | 0 | 0 | 1 | 10.6 | 2.9 | 14.0 | 10.0 | 1.4 | 3.4 | 1.51 |
| Max Scherzer | SDP | sp | 36 | 8 | 4 | 1 | 7 | 0 | 0 | 0 | 3 | 6.2 | 2.1 | 8.6 | 11.7 | 1.1 | 5.6 | 0.92 |
| John Schreiber | NYM | mr | 27 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 4.6 | 2.0 | 7.1 | 6.6 | 1.0 | 3.3 | 0.74 |
| Sam Selman* | Atl | mr | 30 | 2 | 0 | 2 | 3 | 6 | 0 | 0 | 0 | 6.1 | 5.5 | 12.2 | 12.4 | 0.7 | 2.2 | 1.29 |
| Antonio Senzatela | Pit | sp | 26 | 3 | 6 | 1 | 5 | 5 | 1 | 0 | 6 | 9.5 | 2.9 | 12.7 | 5.0 | 1.6 | 1.7 | 1.38 |
| Bryan Shaw | SFG | mr | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15.4 | 1.9 | 17.4 | 9.6 | 1.9 | 5.0 | 1.93 |
| Matt Shoemaker | Mia | sp | 34 | 8 | 0 | 0 | 4 | 3 | 0 | 0 | 3 | 8.2 | 4.5 | 13.4 | 8.8 | 0.9 | 2.0 | 1.41 |
| Lucas Sims | Phi | sp | 27 | 8 | 4 | 0 | 0 | 4 | 1 | 0 | 1 | 6.9 | 5.5 | 12.4 | 11.7 | 1.6 | 2.1 | 1.38 |
| Brady Singer | Atl | sp | 24 | 7 | 5 | 1 | 5 | 7 | 0 | 0 | 1 | 8.9 | 3.8 | 13.1 | 5.7 | 1.6 | 1.5 | 1.42 |
| Tarik Skubal* | StL | sp | 24 | 10 | 1 | 1 | 4 | 3 | 0 | 0 | 4 | 8.1 | 3.6 | 12.1 | 9.5 | 1.8 | 2.6 | 1.31 |
| Caleb Smith* | ChC | sp | 29 | 5 | 7 | 0 | 3 | 1 | 1 | 0 | 2 | 8.8 | 2.4 | 11.4 | 9.4 | 1.4 | 3.9 | 1.25 |
| Blake Snell* | StL | sp | 28 | 4 | 1 | 1 | 3 | 14 | 1 | 0 | 5 | 7.3 | 3.7 | 11.1 | 11.1 | 0.9 | 3.0 | 1.21 |
| Joakim Soria | StL | mr | 37 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 1 | 6.6 | 2.1 | 9.2 | 10.8 | 0.8 | 5.2 | 0.96 |
| Mike Soroka | Atl | sp | 23 | 6 | 1 | 0 | 9 | 7 | 1 | 0 | 4 | 8.0 | 2.4 | 10.8 | 7.8 | 1.1 | 3.3 | 1.15 |
| Ryne Stanek |   | mr | 29 | 2 | 1 | 0 | 2 | 4 | 1 | 0 | 5 | 6.3 | 4.0 | 10.5 | 10.9 | 1.5 | 2.8 | 1.14 |
| Josh Staumont | LAD | mr | 27 | 3 | 1 | 0 | 3 | 11 | 1 | 1 | 2 | 6.7 | 6.8 | 13.9 | 8.9 | 0.7 | 1.3 | 1.50 |
| Drew Steckenrider | Col | mr | 30 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 8.1 | 4.7 | 12.9 | 12.9 | 2.1 | 2.7 | 1.43 |
| Kohl Stewart | LAD | sp | 26 | 1 | 2 | 0 | 1 | 6 | 0 | 0 | 1 | 13.0 | 4.0 | 17.3 | 8.6 | 1.1 | 2.2 | 1.88 |
| Matt Strahm* | LAD | mr | 29 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 9.0 | 3.6 | 12.9 | 9.3 | 0.3 | 2.6 | 1.40 |
| Stephen Strasburg | Ari | sp | 32 | 11 | 7 | 1 | 8 | 6 | 0 | 0 | 5 | 6.6 | 2.7 | 9.6 | 9.8 | 1.0 | 3.7 | 1.03 |
| Ross Stripling | Col | mr | 31 | 10 | 3 | 0 | 3 | 0 | 1 | 0 | 7 | 10.2 | 2.1 | 12.6 | 8.3 | 1.1 | 3.9 | 1.36 |
| Marcus Stroman | Hou | sp | 30 | 7 | 6 | 0 | 1 | 6 | 0 | 0 | 7 | 9.2 | 3.0 | 12.3 | 6.4 | 0.9 | 2.1 | 1.36 |
| Pedro Strop |   | mr | 36 | 0 | 2 | 1 | 3 | 6 | 0 | 0 | 0 | 7.5 | 3.4 | 11.6 | 9.6 | 2.1 | 2.8 | 1.21 |
| Jose Suarez* | Cin | sp | 23 | 1 | 1 | 0 | 2 | 6 | 0 | 0 | 1 | 9.3 | 3.1 | 12.7 | 9.3 | 1.3 | 3.0 | 1.37 |
| Ranger Suarez* | Hou | mr | 25 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 10.2 | 2.4 | 13.2 | 6.2 | 1.4 | 2.6 | 1.40 |
| Wander Suero | Mia | mr | 29 | 10 | 3 | 0 | 8 | 4 | 0 | 0 | 4 | 8.1 | 3.0 | 12.2 | 8.4 | 1.5 | 2.8 | 1.24 |
| Brent Suter* | Mil | sp | 31 | 5 | 1 | 0 | 4 | 1 | 1 | 0 | 3 | 9.0 | 1.7 | 11.1 | 6.4 | 1.4 | 3.7 | 1.19 |
| Erik Swanson | SDP | sp | 27 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 10.2 | 2.8 | 13.5 | 7.4 | 3.3 | 2.7 | 1.45 |
| Masahiro Tanaka | NYM | sp | 32 | 6 | 4 | 0 | 4 | 4 | 0 | 0 | 3 | 9.1 | 1.8 | 11.1 | 7.6 | 2.2 | 4.3 | 1.21 |
| Dillon Tate | SFG | mr | 27 | 1 | 1 | 0 | 3 | 4 | 0 | 0 | 2 | 8.7 | 3.1 | 12.4 | 4.3 | 1.2 | 1.4 | 1.32 |
| Blake Taylor* | Pit | mr | 25 | 1 | 0 | 0 | 5 | 10 | 0 | 0 | 1 | 7.0 | 7.0 | 14.7 | 8.7 | 0.6 | 1.3 | 1.55 |
| Josh Taylor* | Mia | mr | 28 | 6 | 2 | 1 | 7 | 7 | 0 | 0 | 3 | 7.1 | 3.6 | 11.6 | 11.5 | 0.3 | 3.2 | 1.19 |
| Blake Treinen | Atl | cl | 33 | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 7.8 | 2.4 | 10.3 | 9.1 | 0.9 | 3.9 | 1.13 |
| Andrew Triggs | Hou | sp | 32 | 7 | 7 | 0 | 5 | 3 | 0 | 0 | 3 | 9.5 | 3.3 | 13.6 | 7.2 | 1.2 | 2.2 | 1.43 |
| Sam Tuivailala | Mia | mr | 28 | 2 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 8.1 | 5.0 | 13.1 | 9.3 | 1.2 | 1.8 | 1.46 |
| Jose Urquidy | SFG | sp | 26 | 3 | 1 | 1 | 2 | 2 | 0 | 0 | 1 | 9.0 | 2.3 | 11.5 | 9.0 | 1.4 | 3.8 | 1.25 |
| Framber Valdez* | Pit | mr | 27 | 0 | 1 | 3 | 4 | 2 | 0 | 3 | 3 | 6.7 | 4.4 | 11.7 | 9.7 | 0.7 | 2.2 | 1.24 |
| Vince Velasquez | StL | sp | 29 | 2 | 1 | 1 | 2 | 4 | 0 | 0 | 2 | 8.5 | 2.6 | 11.3 | 9.2 | 1.8 | 3.5 | 1.23 |
| Pat Venditte* | Atl | mr | 36 | 1 | 2 | 1 | 3 | 1 | 1 | 0 | 4 | 6.2 | 3.4 | 10.3 | 8.5 | 0.8 | 2.5 | 1.07 |
| Alex Vesia* | Col | mr | 25 | 3 | 2 | 1 | 4 | 5 | 0 | 0 | 1 | 8.8 | 4.3 | 13.8 | 11.5 | 1.3 | 2.7 | 1.47 |
| Austin Voth | Mil | sp | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 2.3 | 9.0 | 9.0 | 4.5 | 4.0 | 1.00 |
| Jacob Waguespack | SDP | sp | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13.5 | 0.0 | 13.5 | 0.0 | 0.0 | 0.0 | 1.50 |
| Marcus Walden | Mil | mr | 32 | 6 | 4 | 3 | 2 | 4 | 0 | 0 | 3 | 6.9 | 3.6 | 10.7 | 5.9 | 0.9 | 1.6 | 1.16 |
| Jeremy Walker | ChC | mr | 26 | 4 | 3 | 0 | 4 | 3 | 0 | 1 | 3 | 11.5 | 3.1 | 14.9 | 6.8 | 1.5 | 2.2 | 1.62 |
| Jared Walsh* | Phi | 1b | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21.0 | 3.0 | 24.0 | 9.0 | 0.0 | 3.0 | 2.67 |
| Tony Watson* | Atl | mr | 36 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 1 | 7.6 | 4.2 | 12.1 | 7.9 | 1.3 | 1.9 | 1.30 |
| Luke Weaver | Mia | sp | 27 | 3 | 0 | 0 | 3 | 5 | 0 | 0 | 1 | 8.1 | 2.5 | 10.8 | 8.1 | 0.9 | 3.3 | 1.18 |
| Tyler Webb* | Mil | mr | 30 | 3 | 1 | 1 | 2 | 2 | 0 | 0 | 3 | 7.7 | 3.6 | 11.7 | 8.3 | 1.9 | 2.3 | 1.26 |
| J.B. Wendelken | Mia | mr | 28 | 2 | 1 | 1 | 4 | 6 | 0 | 0 | 3 | 8.9 | 2.1 | 11.5 | 8.3 | 1.8 | 3.9 | 1.22 |
| Zack Wheeler | SFG | sp | 31 | 2 | 5 | 3 | 8 | 1 | 1 | 0 | 5 | 7.2 | 2.2 | 9.8 | 7.3 | 0.8 | 3.3 | 1.04 |
| Mitchell White | Hou | sp | 26 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 13.5 | 2.9 | 16.4 | 7.7 | 1.0 | 2.7 | 1.82 |
| Tyler White | Mia | 1b | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9.7 | 11.9 | 21.6 | 3.2 | 3.2 | 0.3 | 2.40 |
| Rowan Wick | Hou | mr | 28 | 3 | 1 | 1 | 3 | 2 | 0 | 0 | 5 | 11.0 | 5.7 | 17.3 | 8.6 | 1.1 | 1.5 | 1.86 |
| Brad Wieck* | Hou | mr | 29 | 2 | 0 | 1 | 1 | 6 | 1 | 2 | 3 | 6.8 | 5.1 | 12.1 | 14.9 | 1.7 | 2.9 | 1.33 |
| Justin Wilson* | Mia | mr | 33 | 3 | 1 | 1 | 1 | 0 | 1 | 0 | 3 | 6.9 | 3.6 | 10.7 | 12.6 | 1.1 | 3.5 | 1.16 |
| Trey Wingenter | SDP | mr | 27 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 6.6 | 5.2 | 11.8 | 12.3 | 1.2 | 2.4 | 1.32 |
| Jake Woodford | Phi | sp | 24 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 3 | 8.9 | 3.7 | 12.9 | 5.8 | 1.0 | 1.6 | 1.39 |
| Brandon Workman | SDP | cl | 32 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 5.0 | 2.8 | 7.8 | 11.4 | 1.2 | 4.1 | 0.87 |
| Kyle Wright | Mia | sp | 25 | 8 | 4 | 1 | 9 | 13 | 1 | 0 | 3 | 9.1 | 3.4 | 13.0 | 6.9 | 1.5 | 2.0 | 1.39 |
| Miguel Yajure | Pit | sp | 23 | 6 | 1 | 0 | 8 | 3 | 0 | 0 | 0 | 9.8 | 2.7 | 13.4 | 7.3 | 1.5 | 2.7 | 1.39 |
| Kirby Yates | Phi | cl | 34 | 3 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 7.5 | 3.3 | 11.0 | 13.6 | 1.5 | 4.1 | 1.20 |
| Huascar Ynoa | Cin | sp | 23 | 2 | 0 | 1 | 4 | 12 | 1 | 0 | 2 | 10.9 | 7.1 | 18.6 | 9.1 | 2.1 | 1.3 | 1.99 |
| Alex Young* | Atl | sp | 27 | 8 | 1 | 0 | 5 | 2 | 0 | 0 | 3 | 10.6 | 3.8 | 14.8 | 7.4 | 1.8 | 2.0 | 1.60 |
| Daniel Zamora* | StL | mr | 28 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 7.7 | 4.9 | 12.6 | 11.1 | 0.6 | 2.3 | 1.40 |
| Kyle Zimmer | Phi | mr | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 13.5 | 16.9 | 32.1 | 11.8 | 3.4 | 0.7 | 3.38 |
| Bruce Zimmermann* | LAD | sp | 26 | 8 | 1 | 0 | 5 | 9 | 0 | 0 | 4 | 10.3 | 4.4 | 15.1 | 8.8 | 1.8 | 2.0 | 1.63 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | BABIP | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Austin L. Adams | Ari | mr | 30 | .871 | 80 | .400 | 101 | .571 | 101 | .571 | 29.1 | 6.8 | 5.93 | 5.91 |
| Jorge Alcala | Pit | sp | 25 | .695 | 238 | .252 | 148 | .434 | 151 | .443 | 35.4 | 3.9 | 3.55 | 3.93 |
| Sandy Alcantara | Mia | sp | 25 | .738 | 593 | .268 | 401 | .461 | 413 | .475 | 104.8 | 4.6 | 4.25 | 4.09 |
| Tyler John Alexander* | SDP | sp | 29 | .743 | 70 | .300 | 43 | .453 | 44 | .463 | 10.5 | 4.1 | 3.83 | 4.21 |
| Kolby Allard* |   | sp | 23 | .756 | 443 | .300 | 308 | .474 | 312 | .480 | 82.6 | 5.0 | 4.60 | 4.54 |
| Logan Allen* | Pit | sp | 24 | .801 | 324 | .306 | 246 | .498 | 254 | .514 | 65.5 | 5.1 | 4.62 | 4.82 |
| Ian Anderson | NYM | sp | 23 | .771 | 211 | .280 | 186 | .493 | 192 | .509 | 50.9 | 5.4 | 4.87 | 4.76 |
| Nick Anderson | Phi | mr | 30 | .510 | 113 | .221 | 72 | .324 | 76 | .342 | 13.2 | 2.0 | 1.84 | 1.56 |
| Shaun Anderson | Phi | sp | 26 | .787 | 223 | .309 | 146 | .480 | 149 | .490 | 41.9 | 5.3 | 4.85 | 4.63 |
| Tyler Anderson* | SFG | sp | 31 | .766 | 317 | .319 | 244 | .489 | 245 | .491 | 61.3 | 4.6 | 4.18 | 4.17 |
| Victor Arano | Mil | mr | 26 | .615 | 18 | .222 | 13 | .419 | 13 | .419 | 2.6 | 2.9 | 2.58 | 2.26 |
| Jake Arrieta | Mia | sp | 35 | .751 | 528 | .286 | 343 | .468 | 350 | .477 | 92.8 | 4.8 | 4.35 | 4.03 |
| Anthony Banda* | Cin | sp | 27 | .796 | 240 | .296 | 184 | .492 | 192 | .513 | 51.6 | 5.5 | 4.93 | 4.91 |
| Caleb Baragar* | LAD | sp | 27 | .748 | 248 | .250 | 173 | .468 | 179 | .484 | 46.7 | 4.9 | 4.53 | 4.52 |
| Kyle Barraclough | SFG | mr | 31 | .356 | 49 | .122 | 20 | .250 | 20 | .250 | 2.8 | 1.1 | 1.05 | 0.79 |
| Anthony Bass | ChC | mr | 33 | .613 | 27 | .259 | 12 | .387 | 12 | .387 | 2.7 | 3.0 | 2.74 | 1.49 |
| Trevor Bauer | Cin | sp | 30 | .771 | 517 | .317 | 408 | .483 | 420 | .497 | 110.6 | 5.1 | 4.63 | 4.54 |
| Cam Bedrosian |   | mr | 29 | .741 | 90 | .356 | 63 | .447 | 64 | .454 | 15.0 | 4.0 | 3.60 | 4.50 |
| Jose Berrios | LAD | sp | 27 | .729 | 546 | .286 | 394 | .453 | 407 | .468 | 102.9 | 4.5 | 4.13 | 4.21 |
| Dellin Betances | Phi | mr | 33 | .510 | 66 | .242 | 46 | .336 | 47 | .343 | 8.5 | 2.1 | 1.93 | 1.56 |
| Shane Bieber | Phi | sp | 26 | .674 | 492 | .317 | 325 | .419 | 331 | .427 | 79.5 | 3.7 | 3.35 | 2.86 |
| Ray Black | SDP | mr | 31 | .766 | 56 | .304 | 62 | .488 | 64 | .504 | 16.0 | 5.0 | 4.52 | 5.30 |
| Paul Blackburn | Pit | sp | 27 | .854 | 199 | .317 | 141 | .515 | 147 | .536 | 42.7 | 6.3 | 5.71 | 6.09 |
| Ronald Bolanos | Pit | sp | 24 | .737 | 332 | .268 | 239 | .467 | 246 | .480 | 61.9 | 4.8 | 4.27 | 4.32 |
| Ryan Borucki* | Cin | sp | 27 | .860 | 383 | .303 | 286 | .541 | 289 | .546 | 82.8 | 6.2 | 5.71 | 5.79 |
| James Bourque |   | mr | 27 | .824 | 129 | .349 | 113 | .518 | 114 | .523 | 33.4 | 6.2 | 5.67 | 5.55 |
| Matt Boyd* | ChC | sp | 30 | .769 | 509 | .330 | 393 | .488 | 397 | .493 | 106.3 | 5.1 | 4.65 | 4.35 |
| Silvino Bracho | SDP | mr | 28 | .647 | 75 | .320 | 57 | .385 | 61 | .412 | 15.6 | 4.0 | 3.64 | 3.26 |
| Ryan Brasier | Ari | mr | 33 | .694 | 142 | .275 | 95 | .430 | 99 | .448 | 24.3 | 4.2 | 3.76 | 3.53 |
| Steven Brault* | NYM | sp | 29 | .719 | 214 | .266 | 151 | .443 | 159 | .466 | 36.9 | 4.2 | 3.81 | 4.56 |
| Jeff Brigham | Atl | mr | 29 | .717 | 109 | .284 | 81 | .458 | 82 | .463 | 21.0 | 4.5 | 3.99 | 3.97 |
| Zack Britton* | NYM | mr | 33 | .676 | 108 | .296 | 72 | .416 | 74 | .428 | 16.3 | 3.5 | 3.14 | 3.51 |
| Rex Brothers* | Mia | mr | 33 | .418 | 17 | .176 | 13 | .317 | 13 | .317 | 1.9 | 1.7 | 1.61 | 1.81 |
| Walker Buehler | SFG | sp | 26 | .590 | 514 | .251 | 284 | .366 | 293 | .377 | 63.5 | 2.9 | 2.63 | 2.18 |
| Aaron Bummer* | Col | mr | 27 | .500 | 62 | .226 | 32 | .311 | 33 | .320 | 6.0 | 2.0 | 1.79 | 1.38 |
| Dylan Bundy | SDP | sp | 28 | .789 | 99 | .313 | 85 | .512 | 86 | .518 | 21.7 | 4.8 | 4.43 | 4.44 |
| Nick Burdi | StL | mr | 28 | .627 | 25 | .200 | 18 | .429 | 18 | .429 | 4.0 | 3.3 | 3.20 | 1.88 |
| Trevor Cahill | ChC | sp | 33 | .875 | 258 | .326 | 204 | .524 | 214 | .550 | 65.3 | 7.1 | 6.53 | 6.95 |
| Griffin Canning | Ari | sp | 25 | .839 | 111 | .315 | 98 | .521 | 103 | .548 | 30.1 | 6.5 | 5.85 | 5.77 |
| Carlos Carrasco | Phi | sp | 34 | .736 | 313 | .300 | 230 | .462 | 236 | .474 | 58.3 | 4.3 | 3.90 | 3.78 |
| Humberto Castellanos | Col | mr | 23 | .797 | 214 | .341 | 143 | .472 | 149 | .492 | 43.1 | 5.7 | 5.13 | 5.16 |
| Luis Castillo | Phi | sp | 28 | .736 | 442 | .301 | 342 | .463 | 349 | .473 | 89.7 | 4.7 | 4.25 | 4.20 |
| Miguel Castro | ChC | mr | 26 | .777 | 243 | .333 | 160 | .466 | 162 | .472 | 45.9 | 5.4 | 4.89 | 5.29 |
| Dylan Cease | Hou | sp | 25 | .703 | 45 | .267 | 38 | .469 | 38 | .469 | 8.5 | 3.8 | 3.50 | 3.54 |
| Andrew Chafin* | SFG | mr | 31 | .720 | 98 | .316 | 77 | .456 | 78 | .462 | 17.9 | 3.9 | 3.55 | 3.63 |
| Aroldis Chapman* | Mil | cl | 33 | .423 | 74 | .270 | 47 | .273 | 48 | .279 | 7.0 | 1.3 | 1.21 | 0.94 |
| Yonny Chirinos | Phi | sp | 27 | .825 | 368 | .296 | 264 | .515 | 272 | .530 | 69.7 | 5.1 | 4.63 | 4.68 |
| Aaron Civale | Mil | sp | 26 | .649 | 439 | .264 | 223 | .389 | 229 | .400 | 55.4 | 3.6 | 3.25 | 3.10 |
| Mike Clevinger | Phi | sp | 30 | .671 | 363 | .303 | 253 | .422 | 256 | .427 | 60.2 | 3.7 | 3.36 | 3.35 |
| Edwar Colina | LAD | sp | 24 | .942 | 203 | .335 | 185 | .585 | 189 | .598 | 58.5 | 8.0 | 7.10 | 7.66 |
| Alex Colome | NYM | mr | 32 | .718 | 158 | .291 | 114 | .460 | 115 | .464 | 27.6 | 4.2 | 3.84 | 3.77 |
| Patrick Corbin* | Ari | sp | 31 | .771 | 415 | .330 | 342 | .488 | 347 | .495 | 88.7 | 4.8 | 4.40 | 4.46 |
| Stefan Crichton | NYM | mr | 29 | .711 | 74 | .243 | 50 | .450 | 51 | .459 | 12.9 | 4.4 | 3.91 | 3.81 |
| Wil Crowe | SFG | sp | 26 | 1.095 | 115 | .461 | 101 | .656 | 103 | .669 | 41.0 | 12.6 | 11.59 | 11.39 |
| Johnny Cueto | NYM | sp | 35 | .730 | 210 | .276 | 134 | .439 | 141 | .462 | 37.6 | 4.7 | 4.40 | 4.35 |
| Yu Darvish | Mil | sp | 34 | .661 | 403 | .293 | 293 | .416 | 299 | .424 | 71.6 | 3.8 | 3.47 | 3.31 |
| Austin Davis* | Pit | mr | 28 | .661 | 146 | .260 | 109 | .413 | 115 | .436 | 26.8 | 3.8 | 3.42 | 3.27 |
| Jacob deGrom | Hou | sp | 33 | .647 | 532 | .297 | 341 | .402 | 345 | .407 | 79.3 | 3.4 | 3.09 | 3.04 |
| Anthony DeSclafani | SFG | sp | 31 | .669 | 419 | .253 | 273 | .429 | 277 | .435 | 63.5 | 3.6 | 3.34 | 3.11 |
| Jairo Diaz |   | mr | 30 | .536 | 181 | .215 | 86 | .330 | 90 | .345 | 16.3 | 2.2 | 1.97 | 1.84 |
| Jake Diekman* | Hou | mr | 34 | .658 | 134 | .299 | 92 | .407 | 94 | .416 | 20.4 | 3.3 | 3.08 | 3.51 |
| Rafael Dolis | NYM | mr | 33 | .683 | 114 | .272 | 80 | .423 | 84 | .444 | 19.3 | 3.8 | 3.45 | 3.46 |
| Sean Doolittle* | Ari | cl | 34 | .547 | 119 | .210 | 69 | .358 | 70 | .363 | 13.2 | 2.4 | 2.13 | 1.67 |
| Oliver Drake | Hou | mr | 34 | .667 | 171 | .316 | 108 | .400 | 112 | .415 | 25.5 | 3.5 | 3.11 | 3.29 |
| Tyler Duffey | Pit | mr | 30 | .769 | 175 | .360 | 134 | .477 | 135 | .480 | 37.2 | 5.2 | 4.57 | 4.56 |
| Sam Dyson | NYM | mr | 33 | .745 | 84 | .345 | 47 | .431 | 47 | .431 | 12.1 | 4.3 | 3.93 | 4.61 |
| Carl Edwards Jr. | Hou | mr | 29 | .461 | 104 | .202 | 50 | .292 | 51 | .298 | 7.7 | 1.5 | 1.35 | 1.37 |
| Nathan Eovaldi | Cin | sp | 31 | .791 | 115 | .278 | 86 | .506 | 88 | .518 | 21.4 | 4.6 | 4.17 | 4.45 |
| Tom Eshelman | Cin | sp | 27 | 1.025 | 120 | .342 | 115 | .665 | 116 | .671 | 36.8 | 8.7 | 7.99 | 8.25 |
| Carlos Estevez | Mia | mr | 28 | .602 | 176 | .205 | 118 | .396 | 121 | .406 | 23.9 | 2.8 | 2.52 | 2.30 |
| Jeurys Familia | SFG | mr | 31 | .676 | 164 | .329 | 101 | .406 | 102 | .410 | 22.2 | 3.3 | 2.97 | 3.62 |
| Erick Fedde | Cin | sp | 28 | .729 | 189 | .291 | 117 | .438 | 122 | .457 | 30.5 | 4.4 | 3.96 | 4.30 |
| Michael Feliz | Pit | mr | 28 | .703 | 76 | .289 | 59 | .444 | 61 | .459 | 14.7 | 4.4 | 4.01 | 4.37 |
| Caleb Ferguson* | Col | mr | 24 | .767 | 167 | .335 | 144 | .478 | 148 | .492 | 39.1 | 5.2 | 4.68 | 4.82 |
| Junior Fernandez | Cin | mr | 24 | .664 | 117 | .205 | 87 | .437 | 90 | .452 | 18.2 | 3.3 | 3.07 | 3.26 |
| Matt Foster | StL | mr | 26 | .478 | 51 | .275 | 22 | .278 | 22 | .278 | 4.5 | 2.0 | 1.77 | 1.43 |
| Giovanny Gallegos | Col | mr | 29 | .679 | 157 | .299 | 117 | .430 | 119 | .438 | 29.0 | 3.9 | 3.58 | 3.19 |
| Bryan Garcia | Cin | mr | 26 | .935 | 110 | .391 | 98 | .590 | 98 | .590 | 30.5 | 7.5 | 6.86 | 7.16 |
| Deivi Garcia | SFG | sp | 22 | .823 | 140 | .286 | 125 | .530 | 127 | .538 | 34.5 | 6.0 | 5.49 | 6.01 |
| Rico Garcia | Pit | sp | 27 | .849 | 317 | .338 | 251 | .526 | 256 | .537 | 76.6 | 6.7 | 6.12 | 6.14 |
| Yimi Garcia | SDP | mr | 30 | .718 | 105 | .286 | 68 | .439 | 71 | .458 | 18.1 | 4.4 | 4.01 | 3.71 |
| Amir Garrett* | Mia | mr | 29 | .652 | 141 | .255 | 110 | .421 | 114 | .437 | 23.8 | 3.3 | 2.97 | 2.87 |
| Braxton Garrett* | Cin | sp | 23 | .714 | 331 | .281 | 230 | .452 | 233 | .458 | 55.3 | 4.0 | 3.66 | 3.54 |
| Kevin Gausman | NYM | sp | 30 | .671 | 416 | .264 | 256 | .417 | 263 | .428 | 61.6 | 3.7 | 3.33 | 3.24 |
| Ken Giles | Hou | cl | 30 | .487 | 27 | .333 | 11 | .262 | 11 | .262 | 1.8 | 1.4 | 1.28 | 1.70 |
| Kevin Ginkel | SDP | mr | 27 | .644 | 29 | .172 | 30 | .448 | 31 | .463 | 6.4 | 3.6 | 3.18 | 3.22 |
| Mychal Givens | SDP | mr | 31 | .798 | 172 | .378 | 137 | .489 | 138 | .493 | 40.0 | 5.6 | 5.15 | 5.23 |
| Tyler Glasnow | Hou | sp | 27 | .719 | 324 | .309 | 256 | .449 | 263 | .461 | 66.0 | 4.5 | 4.04 | 4.27 |
| Tony Gonsolin | LAD | sp | 27 | 1.022 | 165 | .339 | 186 | .664 | 188 | .671 | 62.2 | 9.7 | 9.06 | 9.46 |
| Gio Gonzalez* | Hou | sp | 35 | .730 | 413 | .278 | 301 | .466 | 306 | .474 | 72.7 | 4.2 | 3.85 | 3.98 |
| Victor Gonzalez* | Cin | mr | 25 | .734 | 145 | .290 | 96 | .462 | 98 | .471 | 26.8 | 4.9 | 4.42 | 3.74 |
| MacKenzie Gore* | Mia | sp | 22 | .684 | 97 | .351 | 61 | .407 | 62 | .413 | 16.3 | 4.3 | 3.92 | 3.76 |
| Trevor Gott | Mil | mr | 28 | .687 | 133 | .278 | 90 | .429 | 92 | .438 | 21.2 | 3.8 | 3.41 | 3.59 |
| Jon Gray | Ari | sp | 29 | .727 | 464 | .287 | 313 | .456 | 318 | .464 | 79.7 | 4.3 | 3.90 | 3.79 |
| Sonny Gray | NYM | sp | 31 | .734 | 411 | .287 | 326 | .477 | 328 | .480 | 79.6 | 4.4 | 3.91 | 3.82 |
| Shane Greene | Mil | cl | 32 | .676 | 144 | .229 | 104 | .433 | 108 | .450 | 25.8 | 4.1 | 3.77 | 3.65 |
| Zack Greinke | Col | sp | 37 | .682 | 632 | .307 | 369 | .416 | 371 | .419 | 94.3 | 4.0 | 3.56 | 3.33 |
| Zac Grotz | Hou | mr | 28 | .733 | 207 | .261 | 140 | .459 | 144 | .472 | 35.7 | 4.4 | 4.00 | 4.06 |
| Deolis Guerra | StL | mr | 32 | .580 | 152 | .257 | 77 | .353 | 79 | .362 | 16.3 | 2.6 | 2.37 | 2.10 |
| Javy Guerra | NYM | mr | 35 | .595 | 87 | .299 | 43 | .339 | 45 | .354 | 10.9 | 3.3 | 2.94 | 2.92 |
| Taylor Guilbeau* | Phi | mr | 28 | .625 | 128 | .281 | 71 | .376 | 73 | .386 | 16.1 | 3.1 | 2.87 | 3.10 |
| Blaine Hardy* | Col | mr | 34 | .825 | 178 | .348 | 128 | .504 | 129 | .508 | 39.6 | 6.3 | 5.57 | 5.59 |
| Will Harris | Col | mr | 36 | .599 | 133 | .248 | 69 | .371 | 71 | .382 | 13.9 | 2.6 | 2.34 | 1.97 |
| Thomas Hatch | Cin | sp | 26 | .850 | 433 | .314 | 326 | .531 | 332 | .541 | 98.0 | 6.4 | 5.79 | 5.70 |
| Andrew Heaney* | StL | sp | 30 | .675 | 396 | .285 | 276 | .428 | 282 | .437 | 64.6 | 3.7 | 3.35 | 3.17 |
| Ben Heller | Col | mr | 29 | .792 | 48 | .292 | 36 | .480 | 38 | .507 | 9.7 | 4.9 | 4.37 | 4.57 |
| Liam Hendriks | SFG | cl | 32 | .596 | 146 | .308 | 106 | .381 | 106 | .381 | 22.1 | 2.8 | 2.63 | 2.50 |
| Jordan Hicks | Phi | cl | 24 | .665 | 136 | .257 | 92 | .409 | 97 | .431 | 20.5 | 3.4 | 3.13 | 3.67 |
| Tim Hill* | Ari | mr | 31 | .665 | 11 | .364 | 5 | .357 | 5 | .357 | 1.5 | 4.6 | 4.11 | 4.83 |
| Yoshihisa Hirano | StL | mr | 37 | .681 | 69 | .275 | 50 | .439 | 51 | .447 | 10.3 | 3.2 | 2.89 | 3.01 |
| Adrian Houser | Phi | sp | 28 | .703 | 279 | .269 | 177 | .432 | 185 | .451 | 45.9 | 4.2 | 3.82 | 3.61 |
| Spencer Howard | Hou | sp | 24 | .763 | 247 | .332 | 193 | .466 | 201 | .486 | 54.4 | 5.4 | 4.81 | 5.07 |
| James Hoyt | Atl | mr | 34 | .662 | 95 | .316 | 66 | .412 | 67 | .419 | 15.3 | 3.7 | 3.40 | 4.00 |
| Tommy Hunter | StL | mr | 34 | .594 | 49 | .163 | 23 | .371 | 24 | .387 | 5.0 | 2.9 | 2.64 | 2.65 |
| Raisel Iglesias | Hou | cl | 31 | .701 | 161 | .261 | 127 | .460 | 128 | .464 | 30.0 | 4.0 | 3.59 | 3.36 |
| Kenley Jansen | Atl | cl | 33 | .654 | 132 | .258 | 92 | .424 | 93 | .429 | 21.8 | 3.6 | 3.23 | 2.89 |
| Daulton Jefferies | Phi | sp | 25 | .700 | 222 | .311 | 135 | .419 | 139 | .432 | 36.7 | 4.3 | 3.84 | 3.62 |
| Jeremy Jeffress | Mia | mr | 33 | .643 | 216 | .278 | 118 | .378 | 124 | .397 | 28.6 | 3.4 | 3.07 | 3.25 |
| Pierce Johnson | Cin | mr | 30 | .844 | 147 | .361 | 127 | .531 | 128 | .536 | 36.5 | 6.0 | 5.51 | 5.26 |
| Damon Jones* | Mia | sp | 26 | .721 | 31 | .323 | 26 | .464 | 26 | .464 | 6.3 | 5.0 | 4.54 | 5.91 |
| James Kaprielian | Pit | sp | 27 | .985 | 136 | .353 | 125 | .613 | 128 | .627 | 42.1 | 8.6 | 7.93 | 7.65 |
| James Karinchak | SFG | mr | 25 | .562 | 58 | .293 | 57 | .385 | 57 | .385 | 11.1 | 2.8 | 2.53 | 2.45 |
| Anthony Kay* | SFG | sp | 26 | .874 | 43 | .349 | 39 | .542 | 40 | .556 | 11.8 | 7.2 | 7.00 | 7.99 |
| Kyle Keller | SFG | mr | 28 | .691 | 140 | .243 | 105 | .447 | 109 | .464 | 24.9 | 3.9 | 3.54 | 3.28 |
| Joe Kelly | Col | mr | 33 | .733 | 129 | .287 | 90 | .466 | 90 | .466 | 22.3 | 4.5 | 3.99 | 4.18 |
| Merrill Kelly | Mil | sp | 32 | .801 | 502 | .335 | 341 | .485 | 348 | .495 | 96.6 | 5.4 | 4.93 | 5.06 |
| Ian Kennedy | StL | cl | 36 | .741 | 119 | .269 | 86 | .475 | 87 | .481 | 22.1 | 4.6 | 4.16 | 4.13 |
| Clayton Kershaw* | Atl | sp | 33 | .602 | 501 | .251 | 297 | .385 | 298 | .387 | 62.8 | 2.9 | 2.59 | 2.27 |
| Kwang-hyun Kim* | SFG | sp | 32 | .729 | 113 | .274 | 66 | .446 | 67 | .453 | 18.1 | 4.6 | 4.48 | 4.00 |
| Craig Kimbrel | Atl | cl | 33 | .767 | 81 | .395 | 85 | .483 | 87 | .494 | 24.6 | 5.8 | 5.29 | 5.26 |
| Brandon Kintzler | Atl | mr | 36 | .546 | 128 | .227 | 62 | .335 | 64 | .346 | 10.6 | 2.0 | 1.77 | 2.07 |
| Andrew Kittredge | SDP | mr | 31 | .697 | 222 | .333 | 136 | .418 | 138 | .425 | 33.5 | 3.8 | 3.51 | 3.61 |
| Corey Kluber | Mil | sp | 35 | .720 | 413 | .298 | 291 | .448 | 298 | .458 | 77.5 | 4.6 | 4.18 | 3.88 |
| Corey Knebel |   | cl | 29 | .802 | 101 | .297 | 101 | .521 | 104 | .536 | 28.4 | 5.8 | 5.22 | 4.89 |
| Michael Kopech | Mil | sp | 25 | .804 | 263 | .319 | 206 | .478 | 220 | .510 | 61.1 | 5.8 | 5.28 | 5.65 |
| Dean Kremer | LAD | sp | 25 | 1.033 | 276 | .359 | 299 | .660 | 303 | .669 | 102.8 | 10.0 | 8.95 | 9.00 |
| Joel Kuhnel | Ari | mr | 26 | .790 | 19 | .158 | 14 | .483 | 16 | .552 | 3.1 | 3.9 | 3.48 | 4.28 |
| Derek Law | NYM | mr | 30 | .745 | 58 | .241 | 46 | .465 | 49 | .495 | 12.4 | 4.9 | 4.44 | 4.28 |
| Josh Lindblom | ChC | sp | 34 | .758 | 404 | .324 | 264 | .465 | 270 | .475 | 75.0 | 5.1 | 4.60 | 4.03 |
| Jonathan Loaisiga | Hou | sp | 26 | .787 | 128 | .352 | 107 | .493 | 109 | .502 | 29.3 | 5.2 | 4.72 | 4.78 |
| Walker Lockett | Col | sp | 27 | .967 | 212 | .321 | 182 | .623 | 184 | .630 | 57.0 | 7.9 | 7.21 | 7.01 |
| Reynaldo Lopez | SFG | sp | 27 | .750 | 394 | .310 | 284 | .472 | 287 | .477 | 76.0 | 4.9 | 4.46 | 4.14 |
| Michael Lorenzen | Hou | mr | 29 | .688 | 197 | .244 | 133 | .438 | 137 | .451 | 30.0 | 3.6 | 3.27 | 3.55 |
| Joey Lucchesi* |   | sp | 28 | .807 | 440 | .320 | 343 | .511 | 346 | .516 | 95.2 | 5.5 | 5.09 | 4.94 |
| Lance Lynn | Ari | sp | 34 | .855 | 440 | .345 | 355 | .527 | 364 | .540 | 107.1 | 6.3 | 5.72 | 5.89 |
| Kenta Maeda |   | sp | 33 | .705 | 361 | .283 | 255 | .451 | 258 | .457 | 63.9 | 4.2 | 3.82 | 3.43 |
| Tyler Mahle | Ari | sp | 26 | .845 | 172 | .267 | 136 | .544 | 139 | .556 | 35.5 | 5.4 | 4.99 | 5.22 |
| Matt Manning | Mia | sp | 23 | .700 | 429 | .282 | 280 | .437 | 286 | .446 | 72.0 | 4.2 | 3.80 | 3.52 |
| German Marquez | Atl | sp | 26 | .694 | 570 | .272 | 363 | .432 | 372 | .443 | 90.0 | 4.0 | 3.66 | 3.61 |
| Brett Martin* | NYM | mr | 26 | .786 | 199 | .327 | 145 | .488 | 146 | .492 | 39.8 | 5.4 | 4.91 | 5.08 |
| Chris Martin | Mil | mr | 35 | .606 | 121 | .306 | 63 | .350 | 65 | .361 | 14.9 | 2.9 | 2.65 | 2.44 |
| Carlos Martinez | Cin | sp | 29 | .650 | 142 | .310 | 91 | .396 | 93 | .404 | 20.6 | 3.4 | 3.00 | 3.47 |
| Phil Maton | StL | mr | 28 | .626 | 157 | .299 | 98 | .386 | 99 | .390 | 22.8 | 3.3 | 2.91 | 2.62 |
| Tyler Matzek* | Atl | mr | 30 | 1.147 | 11 | .455 | 17 | .739 | 17 | .739 | 6.4 | 15.8 | 14.22 | 11.61 |
| Dustin May | LAD | sp | 23 | .732 | 253 | .300 | 161 | .446 | 165 | .457 | 42.0 | 4.3 | 3.91 | 3.87 |
| Trevor May | SFG | mr | 31 | .542 | 116 | .224 | 67 | .337 | 71 | .357 | 14.6 | 2.6 | 2.42 | 2.05 |
| Chris Mazza | Phi | sp | 31 | .598 | 64 | .266 | 28 | .354 | 28 | .354 | 6.0 | 2.7 | 2.52 | 2.65 |
| Lance McCullers Jr. | StL | sp | 27 | .751 | 305 | .308 | 214 | .465 | 221 | .480 | 57.6 | 4.8 | 4.36 | 4.09 |
| Collin McHugh | Ari | mr | 34 | .761 | 243 | .313 | 168 | .468 | 173 | .482 | 48.0 | 5.2 | 4.83 | 4.26 |
| Triston McKenzie | LAD | sp | 23 | .807 | 148 | .311 | 103 | .495 | 105 | .505 | 27.9 | 5.1 | 4.55 | 4.86 |
| John Means* | NYM | sp | 28 | .709 | 443 | .257 | 291 | .460 | 292 | .462 | 69.8 | 4.0 | 3.62 | 3.27 |
| Trevor Megill | NYM | mr | 27 | .959 | 123 | .374 | 140 | .619 | 142 | .628 | 44.0 | 8.0 | 7.13 | 6.98 |
| Ryan Meisinger | StL | mr | 27 | .648 | 105 | .200 | 72 | .431 | 74 | .443 | 15.2 | 3.2 | 2.95 | 2.60 |
| Conner Menez* | Mia | sp | 26 | .773 | 79 | .291 | 62 | .488 | 63 | .496 | 15.5 | 4.8 | 4.28 | 5.06 |
| Daniel Mengden | SDP | sp | 28 | .751 | 367 | .300 | 233 | .460 | 238 | .470 | 62.9 | 4.7 | 4.29 | 4.12 |
| Miles Mikolas | ChC | sp | 32 | .704 | 596 | .284 | 340 | .421 | 352 | .436 | 86.7 | 4.0 | 3.62 | 3.74 |
| Alec Mills | ChC | sp | 29 | .789 | 293 | .314 | 218 | .495 | 219 | .498 | 58.4 | 5.2 | 4.68 | 4.99 |
| Hoby Milner* | Ari | mr | 30 | .589 | 144 | .292 | 83 | .364 | 84 | .368 | 17.8 | 2.8 | 2.57 | 2.21 |
| Mike Minor* | SDP | sp | 33 | .647 | 121 | .256 | 75 | .417 | 76 | .422 | 15.9 | 3.1 | 2.78 | 2.47 |
| Casey Mize | StL | sp | 24 | .684 | 415 | .267 | 238 | .422 | 242 | .429 | 57.3 | 3.7 | 3.37 | 3.33 |
| Frankie Montas | Col | sp | 28 | .856 | 348 | .325 | 285 | .537 | 291 | .548 | 81.4 | 6.0 | 5.59 | 5.62 |
| Mike Montgomery* | ChC | mr | 31 | .789 | 259 | .328 | 172 | .487 | 172 | .487 | 49.3 | 5.6 | 5.04 | 4.94 |
| Adrian Morejon* | Pit | sp | 22 | .758 | 213 | .305 | 179 | .485 | 183 | .496 | 46.7 | 4.9 | 4.55 | 4.44 |
| Brandon Morrow | Mil | mr | 36 | .905 | 87 | .333 | 70 | .551 | 73 | .575 | 22.0 | 7.0 | 6.30 | 6.68 |
| Charlie Morton | Col | sp | 37 | .761 | 434 | .348 | 340 | .474 | 347 | .484 | 89.7 | 4.8 | 4.36 | 4.24 |
| Joe Musgrove | LAD | sp | 28 | .638 | 465 | .262 | 264 | .396 | 269 | .404 | 59.9 | 3.2 | 2.95 | 2.74 |
| Nick Neidert | Pit | sp | 24 | .739 | 233 | .262 | 151 | .465 | 156 | .480 | 41.1 | 4.8 | 4.46 | 4.02 |
| Jimmy Nelson | ChC | sp | 32 | .851 | 189 | .354 | 148 | .517 | 151 | .528 | 45.2 | 6.5 | 5.85 | 6.21 |
| Kyle Nelson* | SDP | mr | 24 | 1.026 | 91 | .407 | 100 | .629 | 106 | .667 | 35.7 | 9.7 | 8.68 | 8.63 |
| Hector Neris | StL | cl | 32 | .671 | 138 | .319 | 111 | .410 | 118 | .435 | 28.7 | 4.1 | 3.70 | 3.71 |
| Sean Newcomb* | Ari | mr | 28 | .674 | 242 | .240 | 164 | .430 | 168 | .441 | 39.0 | 3.9 | 3.59 | 3.71 |
| Juan Nicasio | Mil | mr | 34 | .731 | 136 | .331 | 93 | .451 | 94 | .456 | 23.1 | 4.1 | 3.72 | 3.72 |
| John Nogowski* | SDP | 1b | 28 | .672 | 40 | .300 | 22 | .400 | 22 | .400 | 5.0 | 3.4 | 3.12 | 3.58 |
| Aaron Nola | SDP | sp | 28 | .655 | 574 | .277 | 349 | .408 | 354 | .414 | 82.4 | 3.5 | 3.21 | 3.06 |
| Daniel Norris* | ChC | sp | 28 | .839 | 421 | .337 | 329 | .525 | 333 | .531 | 95.8 | 6.1 | 5.63 | 5.59 |
| Emilio Pagan | SDP | cl | 30 | .690 | 179 | .330 | 122 | .422 | 125 | .433 | 33.1 | 4.4 | 4.02 | 3.50 |
| James Paxton* | Ari | sp | 32 | .588 | 156 | .231 | 95 | .377 | 98 | .389 | 19.6 | 2.7 | 2.49 | 2.12 |
| Brad Peacock | SDP | sp | 33 | .813 | 233 | .339 | 201 | .519 | 202 | .522 | 59.0 | 6.2 | 5.71 | 5.40 |
| Nate Pearson | ChC | sp | 24 | .888 | 393 | .351 | 327 | .548 | 337 | .564 | 104.5 | 7.2 | 6.58 | 6.47 |
| Freddy Peralta | Cin | mr | 25 | .759 | 248 | .274 | 201 | .499 | 202 | .501 | 51.1 | 4.9 | 4.48 | 4.22 |
| Luis Perdomo | Ari | mr | 28 | .738 | 198 | .298 | 135 | .458 | 137 | .464 | 34.3 | 4.4 | 3.93 | 4.15 |
| Cionel Perez* | Mia | sp | 25 | .965 | 30 | .367 | 30 | .612 | 30 | .612 | 9.8 | 9.2 | 8.24 | 8.97 |
| Martin Perez* | Pit | sp | 30 | .691 | 321 | .262 | 198 | .435 | 198 | .435 | 45.3 | 3.7 | 3.38 | 3.80 |
| David Peterson* | StL | sp | 25 | .680 | 429 | .263 | 266 | .429 | 270 | .435 | 63.4 | 3.9 | 3.49 | 3.51 |
| Yusmeiro Petit | SFG | mr | 36 | .545 | 176 | .205 | 87 | .344 | 89 | .352 | 17.1 | 2.3 | 2.11 | 1.83 |
| Zach Plesac | Pit | sp | 26 | .784 | 523 | .331 | 355 | .478 | 360 | .485 | 101.7 | 5.4 | 4.89 | 4.90 |
| Colin Poche* | Mil | mr | 27 | .736 | 144 | .306 | 132 | .473 | 136 | .487 | 31.2 | 4.0 | 3.61 | 3.54 |
| Cody Ponce | Phi | mr | 27 | .770 | 170 | .288 | 110 | .470 | 112 | .479 | 31.7 | 5.3 | 4.87 | 4.92 |
| Daniel Ponce De Leon | Col | sp | 29 | .930 | 170 | .306 | 153 | .602 | 154 | .606 | 46.9 | 7.7 | 6.95 | 6.97 |
| Ryan Pressly | Ari | mr | 32 | .739 | 137 | .336 | 115 | .473 | 117 | .481 | 30.1 | 4.7 | 4.30 | 3.70 |
| David Price* | Mil | sp | 35 | .668 | 414 | .292 | 260 | .416 | 263 | .421 | 60.1 | 3.5 | 3.19 | 3.21 |
| Jose Quijada* | Pit | mr | 25 | .718 | 30 | .400 | 21 | .412 | 22 | .431 | 5.4 | 4.3 | 3.95 | 5.18 |
| Tanner Rainey | SFG | mr | 28 | .582 | 11 | .364 | 11 | .367 | 12 | .400 | 2.2 | 3.2 | 2.85 | 4.53 |
| Edubray Ramos | SDP | mr | 28 | .719 | 122 | .328 | 75 | .426 | 77 | .438 | 20.5 | 4.6 | 4.16 | 4.19 |
| Alex Reyes | Ari | sp | 26 | .909 | 22 | .364 | 24 | .571 | 25 | .595 | 7.5 | 7.5 | 6.78 | 6.84 |
| Garrett Richards | Ari | sp | 33 | .928 | 103 | .301 | 104 | .615 | 106 | .627 | 30.3 | 7.0 | 6.34 | 5.89 |
| Dereck Rodriguez | Cin | sp | 29 | .862 | 243 | .296 | 197 | .540 | 202 | .553 | 59.1 | 6.6 | 5.94 | 6.08 |
| Chaz Roe |   | mr | 34 | .944 | 64 | .438 | 54 | .540 | 57 | .570 | 18.3 | 7.7 | 7.07 | 6.89 |
| Taylor Rogers* | Ari | cl | 30 | .437 | 28 | .214 | 14 | .275 | 15 | .294 | 1.9 | 1.2 | 1.14 | 1.30 |
| Hector Rondon | StL | mr | 33 | .604 | 29 | .207 | 19 | .413 | 19 | .413 | 3.0 | 2.2 | 1.95 | 1.75 |
| Chris Rusin* | Col | mr | 34 | 1.047 | 91 | .451 | 77 | .606 | 80 | .630 | 28.7 | 9.7 | 8.93 | 9.19 |
| Hyun-Jin Ryu* | Col | sp | 34 | .712 | 425 | .292 | 282 | .451 | 283 | .453 | 68.9 | 4.0 | 3.63 | 3.46 |
| Casey Sadler | Col | mr | 30 | .692 | 206 | .243 | 119 | .428 | 124 | .446 | 28.5 | 3.7 | 3.51 | 3.37 |
| Aaron Sanchez | SDP | sp | 28 | .778 | 407 | .307 | 295 | .480 | 304 | .495 | 82.6 | 5.4 | 4.98 | 4.97 |
| Sixto Sanchez | LAD | sp | 22 | .697 | 348 | .282 | 196 | .421 | 201 | .431 | 52.6 | 4.3 | 3.92 | 3.69 |
| Patrick Sandoval* | Cin | sp | 24 | .839 | 297 | .323 | 250 | .530 | 253 | .536 | 72.8 | 6.3 | 5.67 | 5.46 |
| Dennis Santana | Atl | sp | 25 | .828 | 232 | .328 | 190 | .511 | 197 | .530 | 58.0 | 6.4 | 5.71 | 5.60 |
| Ervin Santana | Atl | sp | 38 | .739 | 344 | .273 | 232 | .466 | 235 | .472 | 60.4 | 4.6 | 4.17 | 4.22 |
| Josh Sborz | StL | mr | 27 | .827 | 159 | .377 | 128 | .502 | 131 | .514 | 36.9 | 5.7 | 5.13 | 5.57 |
| Max Scherzer | SDP | sp | 36 | .562 | 434 | .256 | 271 | .353 | 278 | .362 | 55.4 | 2.5 | 2.29 | 2.12 |
| John Schreiber | NYM | mr | 27 | .512 | 44 | .159 | 21 | .328 | 22 | .344 | 2.9 | 1.5 | 1.33 | 1.44 |
| Sam Selman* | Atl | mr | 30 | .598 | 102 | .284 | 78 | .379 | 81 | .393 | 16.9 | 3.1 | 2.81 | 3.23 |
| Antonio Senzatela | Pit | sp | 26 | .807 | 426 | .282 | 289 | .503 | 294 | .511 | 74.8 | 4.9 | 4.44 | 4.90 |
| Bryan Shaw | SFG | mr | 33 | .981 | 15 | .467 | 13 | .591 | 13 | .591 | 3.9 | 7.0 | 6.77 | 8.86 |
| Matt Shoemaker | Mia | sp | 34 | .708 | 140 | .293 | 96 | .430 | 100 | .448 | 26.8 | 4.8 | 4.32 | 4.24 |
| Lucas Sims | Phi | sp | 27 | .723 | 206 | .267 | 194 | .486 | 194 | .486 | 47.9 | 4.7 | 4.18 | 4.12 |
| Brady Singer | Atl | sp | 24 | .772 | 423 | .262 | 292 | .490 | 297 | .498 | 77.6 | 5.1 | 4.62 | 4.81 |
| Tarik Skubal* | StL | sp | 24 | .742 | 338 | .269 | 266 | .479 | 270 | .486 | 70.5 | 4.9 | 4.45 | 4.25 |
| Caleb Smith* | ChC | sp | 29 | .737 | 397 | .305 | 289 | .468 | 292 | .472 | 74.3 | 4.5 | 4.07 | 3.89 |
| Blake Snell* | StL | sp | 28 | .651 | 376 | .290 | 270 | .415 | 273 | .420 | 64.0 | 3.7 | 3.34 | 3.11 |
| Joakim Soria | StL | mr | 37 | .575 | 137 | .263 | 80 | .356 | 83 | .369 | 17.5 | 2.8 | 2.53 | 2.17 |
| Mike Soroka | Atl | sp | 23 | .674 | 555 | .272 | 337 | .416 | 346 | .427 | 80.1 | 3.6 | 3.30 | 3.28 |
| Ryne Stanek |   | mr | 29 | .649 | 167 | .234 | 128 | .425 | 130 | .432 | 29.2 | 3.6 | 3.25 | 3.12 |
| Josh Staumont | LAD | mr | 27 | .701 | 162 | .265 | 128 | .452 | 131 | .463 | 31.4 | 4.5 | 3.94 | 4.11 |
| Drew Steckenrider | Col | mr | 30 | .732 | 49 | .286 | 46 | .484 | 46 | .484 | 11.6 | 4.8 | 4.49 | 4.72 |
| Kohl Stewart | LAD | sp | 26 | .934 | 82 | .402 | 69 | .570 | 70 | .579 | 23.1 | 8.2 | 7.49 | 7.19 |
| Matt Strahm* | LAD | mr | 29 | .706 | 93 | .366 | 61 | .421 | 62 | .428 | 14.9 | 3.9 | 3.45 | 3.87 |
| Stephen Strasburg | Ari | sp | 32 | .596 | 524 | .254 | 318 | .374 | 326 | .383 | 67.2 | 2.8 | 2.55 | 2.47 |
| Ross Stripling | Col | mr | 31 | .773 | 246 | .329 | 165 | .469 | 168 | .477 | 47.4 | 5.2 | 4.76 | 4.40 |
| Marcus Stroman | Hou | sp | 30 | .730 | 572 | .295 | 355 | .453 | 356 | .454 | 92.3 | 4.5 | 4.08 | 4.00 |
| Pedro Strop |   | mr | 36 | .796 | 97 | .258 | 89 | .520 | 92 | .538 | 20.9 | 4.5 | 4.03 | 4.42 |
| Jose Suarez* | Cin | sp | 23 | .757 | 155 | .316 | 114 | .473 | 116 | .481 | 31.2 | 5.0 | 4.56 | 4.44 |
| Ranger Suarez* | Hou | mr | 25 | .770 | 145 | .303 | 92 | .465 | 95 | .480 | 25.4 | 5.0 | 4.58 | 4.94 |
| Wander Suero | Mia | mr | 29 | .700 | 208 | .264 | 136 | .422 | 144 | .447 | 37.0 | 4.4 | 4.05 | 4.07 |
| Brent Suter* | Mil | sp | 31 | .744 | 281 | .281 | 177 | .462 | 181 | .473 | 45.9 | 4.4 | 3.99 | 3.81 |
| Erik Swanson | SDP | sp | 27 | .933 | 57 | .263 | 54 | .621 | 55 | .632 | 16.0 | 7.3 | 6.72 | 6.51 |
| Masahiro Tanaka | NYM | sp | 32 | .792 | 490 | .269 | 368 | .515 | 372 | .520 | 94.6 | 4.9 | 4.46 | 4.39 |
| Dillon Tate | SFG | mr | 27 | .702 | 154 | .253 | 85 | .423 | 88 | .438 | 22.5 | 4.3 | 3.94 | 4.11 |
| Blake Taylor* | Pit | mr | 25 | .696 | 160 | .275 | 122 | .440 | 127 | .458 | 28.9 | 4.2 | 3.77 | 4.37 |
| Josh Taylor* | Mia | mr | 28 | .601 | 172 | .320 | 106 | .351 | 113 | .374 | 25.9 | 3.2 | 2.91 | 2.83 |
| Blake Treinen | Atl | cl | 33 | .657 | 159 | .296 | 100 | .410 | 101 | .414 | 22.2 | 3.3 | 2.95 | 2.97 |
| Andrew Triggs | Hou | sp | 32 | .779 | 180 | .311 | 123 | .468 | 128 | .487 | 34.4 | 5.1 | 4.62 | 4.92 |
| Sam Tuivailala | Mia | mr | 28 | .728 | 63 | .286 | 48 | .466 | 48 | .466 | 12.1 | 4.5 | 4.20 | 4.22 |
| Jose Urquidy | SFG | sp | 26 | .734 | 220 | .295 | 154 | .465 | 156 | .471 | 41.1 | 4.7 | 4.30 | 3.86 |
| Framber Valdez* | Pit | mr | 27 | .644 | 155 | .271 | 104 | .395 | 108 | .411 | 24.1 | 3.5 | 3.10 | 3.12 |
| Vince Velasquez | StL | sp | 29 | .770 | 267 | .277 | 212 | .505 | 214 | .510 | 53.7 | 4.8 | 4.37 | 4.03 |
| Pat Venditte* | Atl | mr | 36 | .578 | 114 | .237 | 63 | .350 | 66 | .367 | 12.5 | 2.4 | 2.27 | 2.58 |
| Alex Vesia* | Col | mr | 25 | .792 | 145 | .345 | 131 | .496 | 135 | .511 | 37.0 | 5.7 | 5.00 | 4.97 |
| Austin Voth | Mil | sp | 29 | .850 | 9 | .111 | 10 | .625 | 10 | .625 | 2.3 | 5.2 | 4.69 | 4.39 |
| Jacob Waguespack | SDP | sp | 27 | .667 | 3 | .333 | 1 | .333 | 1 | .333 | 0.3 | 4.5 | 4.05 | 4.47 |
| Marcus Walden | Mil | mr | 32 | .624 | 202 | .233 | 111 | .389 | 113 | .396 | 22.6 | 2.8 | 2.59 | 2.91 |
| Jeremy Walker | ChC | mr | 26 | .865 | 325 | .342 | 241 | .529 | 245 | .537 | 74.6 | 6.7 | 6.05 | 6.18 |
| Jared Walsh* | Phi | 1b | 27 | 1.033 | 13 | .538 | 10 | .588 | 10 | .588 | 4.4 | 13.1 | 11.77 | 11.27 |
| Tony Watson* | Atl | mr | 36 | .718 | 129 | .256 | 93 | .460 | 95 | .470 | 21.7 | 4.0 | 3.69 | 3.84 |
| Luke Weaver | Mia | sp | 27 | .648 | 359 | .284 | 208 | .398 | 211 | .403 | 50.2 | 3.6 | 3.22 | 3.12 |
| Tyler Webb* | Mil | mr | 30 | .733 | 140 | .243 | 104 | .468 | 106 | .477 | 27.0 | 4.7 | 4.18 | 4.15 |
| J.B. Wendelken | Mia | mr | 28 | .734 | 185 | .270 | 126 | .457 | 130 | .471 | 33.0 | 4.5 | 4.18 | 4.13 |
| Zack Wheeler | SFG | sp | 31 | .607 | 534 | .249 | 281 | .372 | 289 | .383 | 61.4 | 2.9 | 2.66 | 2.47 |
| Mitchell White | Hou | sp | 26 | .914 | 33 | .394 | 25 | .556 | 25 | .556 | 8.3 | 7.7 | 7.19 | 6.64 |
| Tyler White | Mia | 1b | 30 | 1.111 | 27 | .222 | 32 | .727 | 32 | .727 | 11.1 | 12.5 | 10.77 | 11.00 |
| Rowan Wick | Hou | mr | 28 | .915 | 147 | .367 | 131 | .560 | 134 | .573 | 41.0 | 7.4 | 6.77 | 6.83 |
| Brad Wieck* | Hou | mr | 29 | .732 | 103 | .301 | 114 | .485 | 115 | .489 | 28.2 | 4.6 | 4.21 | 3.95 |
| Justin Wilson* | Mia | mr | 33 | .644 | 111 | .297 | 86 | .411 | 87 | .416 | 19.6 | 3.4 | 3.13 | 2.98 |
| Trey Wingenter | SDP | mr | 27 | .690 | 82 | .280 | 74 | .460 | 74 | .460 | 16.9 | 4.0 | 3.61 | 3.55 |
| Jake Woodford | Phi | sp | 24 | .733 | 144 | .285 | 89 | .445 | 91 | .455 | 23.4 | 4.5 | 4.06 | 4.31 |
| Brandon Workman | SDP | cl | 32 | .526 | 124 | .194 | 79 | .354 | 79 | .354 | 14.8 | 2.3 | 2.08 | 1.73 |
| Kyle Wright | Mia | sp | 25 | .775 | 449 | .281 | 316 | .485 | 325 | .498 | 86.6 | 5.2 | 4.73 | 4.68 |
| Miguel Yajure | Pit | sp | 23 | .813 | 223 | .309 | 162 | .494 | 170 | .518 | 47.2 | 5.7 | 5.05 | 5.21 |
| Kirby Yates | Phi | cl | 34 | .696 | 104 | .317 | 93 | .454 | 94 | .459 | 21.1 | 3.7 | 3.48 | 3.52 |
| Huascar Ynoa | Cin | sp | 23 | .977 | 166 | .349 | 179 | .615 | 183 | .629 | 57.1 | 8.7 | 7.75 | 8.53 |
| Alex Young* | Atl | sp | 27 | .871 | 353 | .317 | 287 | .549 | 292 | .558 | 88.0 | 6.9 | 6.21 | 6.12 |
| Daniel Zamora* | StL | mr | 28 | .662 | 105 | .314 | 77 | .421 | 77 | .421 | 18.3 | 3.9 | 3.52 | 3.58 |
| Kyle Zimmer | Phi | mr | 29 | 1.210 | 15 | .400 | 26 | .743 | 27 | .771 | 10.2 | 17.3 | 15.55 | 17.74 |
| Bruce Zimmermann* | LAD | sp | 26 | .856 | 287 | .324 | 245 | .536 | 250 | .547 | 76.0 | 6.9 | 6.24 | 6.22 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | NP/G | STR% |
| Austin L. Adams | Ari | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 22.5 | .598 |
| Jorge Alcala | Pit | sp | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 8 | .400 | 23.5 | .592 |
| Sandy Alcantara | Mia | sp | 25 | 33 | 3 | .091 | 1 | 17 | .515 | 157 | 4.8 | 22 | 8 | .364 | 92.8 | .604 |
| Tyler John Alexander* | SDP | sp | 29 | 4 | 0 | .000 | 0 | 2 | .500 | 16 | 4.0 | 5 | 0 | .000 | 84.8 | .661 |
| Kolby Allard* |   | sp | 23 | 28 | 0 | .000 | 0 | 8 | .286 | 108 | 3.9 | 28 | 10 | .357 | 89.0 | .599 |
| Logan Allen* | Pit | sp | 24 | 22 | 1 | .045 | 0 | 8 | .364 | 109 | 5.0 | 12 | 6 | .500 | 85.8 | .601 |
| Ian Anderson | NYM | sp | 23 | 19 | 0 | .000 | 0 | 2 | .105 | 84 | 4.4 | 12 | 3 | .250 | 80.9 | .579 |
| Nick Anderson | Phi | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 4 | .286 | 20.1 | .647 |
| Shaun Anderson | Phi | sp | 26 | 8 | 2 | .250 | 0 | 4 | .500 | 38 | 4.8 | 17 | 1 | .059 | 45.8 | .626 |
| Tyler Anderson* | SFG | sp | 31 | 19 | 3 | .158 | 1 | 13 | .684 | 75 | 3.9 | 12 | 3 | .250 | 98.5 | .619 |
| Victor Arano | Mil | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 21.8 | .618 |
| Jake Arrieta | Mia | sp | 35 | 28 | 0 | .000 | 0 | 16 | .571 | 105 | 3.8 | 19 | 6 | .316 | 97.7 | .623 |
| Anthony Banda* | Cin | sp | 27 | 15 | 1 | .067 | 0 | 4 | .267 | 87 | 5.8 | 13 | 6 | .462 | 93.5 | .598 |
| Caleb Baragar* | LAD | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 6 | .250 | 21.6 | .586 |
| Kyle Barraclough | SFG | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 18.6 | .607 |
| Anthony Bass | ChC | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 33.0 | .707 |
| Trevor Bauer | Cin | sp | 30 | 31 | 3 | .097 | 0 | 14 | .452 | 120 | 3.9 | 23 | 10 | .435 | 104.1 | .622 |
| Cam Bedrosian |   | mr | 29 | 4 | 0 | .000 | 0 | 0 | .000 | 9 | 2.3 | 16 | 4 | .250 | 26.0 | .618 |
| Jose Berrios | LAD | sp | 27 | 31 | 0 | .000 | 0 | 13 | .419 | 115 | 3.7 | 25 | 3 | .120 | 107.2 | .614 |
| Dellin Betances | Phi | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 18.2 | .632 |
| Shane Bieber | Phi | sp | 26 | 30 | 1 | .033 | 0 | 18 | .600 | 182 | 6.1 | 16 | 3 | .188 | 94.1 | .680 |
| Ray Black | SDP | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 21.2 | .552 |
| Paul Blackburn | Pit | sp | 27 | 7 | 1 | .143 | 1 | 3 | .429 | 26 | 3.7 | 16 | 5 | .313 | 45.6 | .610 |
| Ronald Bolanos | Pit | sp | 24 | 11 | 0 | .000 | 0 | 5 | .455 | 45 | 4.1 | 27 | 13 | .481 | 40.2 | .575 |
| Ryan Borucki* | Cin | sp | 27 | 23 | 0 | .000 | 0 | 7 | .304 | 100 | 4.3 | 18 | 4 | .222 | 85.6 | .606 |
| James Bourque |   | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 28.5 | .596 |
| Matt Boyd* | ChC | sp | 30 | 31 | 2 | .065 | 0 | 13 | .419 | 128 | 4.1 | 14 | 6 | .429 | 96.8 | .652 |
| Silvino Bracho | SDP | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 9 | .529 | 28.0 | .643 |
| Ryan Brasier | Ari | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 18.3 | .633 |
| Steven Brault* | NYM | sp | 29 | 5 | 0 | .000 | 0 | 1 | .200 | 20 | 4.0 | 32 | 9 | .281 | 28.8 | .554 |
| Jeff Brigham | Atl | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 21.4 | .604 |
| Zack Britton* | NYM | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 30 | 7 | .233 | 13.5 | .571 |
| Rex Brothers* | Mia | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 38.4 | .531 |
| Walker Buehler | SFG | sp | 26 | 28 | 2 | .071 | 1 | 21 | .750 | 139 | 5.0 | 6 | 3 | .500 | 103.0 | .646 |
| Aaron Bummer* | Col | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 19.3 | .632 |
| Dylan Bundy | SDP | sp | 28 | 6 | 0 | .000 | 0 | 4 | .667 | 32 | 5.3 | 3 | 2 | .667 | 101.3 | .660 |
| Nick Burdi | StL | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 29.0 | .592 |
| Trevor Cahill | ChC | sp | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 41 | 11 | .268 | 22.2 | .595 |
| Griffin Canning | Ari | sp | 25 | 8 | 0 | .000 | 0 | 2 | .250 | 51 | 6.4 | 8 | 3 | .375 | 93.4 | .605 |
| Carlos Carrasco | Phi | sp | 34 | 21 | 1 | .048 | 0 | 11 | .524 | 80 | 3.8 | 7 | 1 | .143 | 89.8 | .669 |
| Humberto Castellanos | Col | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 26.8 | .661 |
| Luis Castillo | Phi | sp | 28 | 29 | 0 | .000 | 0 | 12 | .414 | 174 | 6.0 | 31 | 15 | .484 | 101.7 | .613 |
| Miguel Castro | ChC | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 20.5 | .589 |
| Dylan Cease | Hou | sp | 25 | 3 | 0 | .000 | 0 | 1 | .333 | 18 | 6.0 | 4 | 0 | .000 | 105.7 | .662 |
| Andrew Chafin* | SFG | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 13.9 | .624 |
| Aroldis Chapman* | Mil | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 17.6 | .620 |
| Yonny Chirinos | Phi | sp | 27 | 10 | 2 | .200 | 0 | 4 | .400 | 57 | 5.7 | 17 | 4 | .235 | 38.9 | .655 |
| Aaron Civale | Mil | sp | 26 | 23 | 1 | .043 | 1 | 12 | .522 | 119 | 5.2 | 15 | 1 | .067 | 87.0 | .639 |
| Mike Clevinger | Phi | sp | 30 | 25 | 0 | .000 | 0 | 12 | .480 | 134 | 5.4 | 6 | 1 | .167 | 93.6 | .627 |
| Edwar Colina | LAD | sp | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 38 | 11 | .289 | 23.1 | .570 |
| Alex Colome | NYM | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 5 | .294 | 16.8 | .626 |
| Patrick Corbin* | Ari | sp | 31 | 28 | 0 | .000 | 0 | 12 | .429 | 120 | 4.3 | 12 | 1 | .083 | 99.5 | .615 |
| Stefan Crichton | NYM | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 27.3 | .622 |
| Wil Crowe | SFG | sp | 26 | 7 | 0 | .000 | 0 | 1 | .143 | 31 | 4.4 | 11 | 4 | .364 | 78.4 | .627 |
| Johnny Cueto | NYM | sp | 35 | 12 | 0 | .000 | 0 | 3 | .250 | 65 | 5.4 | 8 | 0 | .000 | 94.0 | .626 |
| Yu Darvish | Mil | sp | 34 | 27 | 0 | .000 | 0 | 18 | .667 | 146 | 5.4 | 21 | 6 | .286 | 100.1 | .623 |
| Austin Davis* | Pit | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 6 | .316 | 23.5 | .574 |
| Jacob deGrom | Hou | sp | 33 | 29 | 2 | .069 | 1 | 19 | .655 | 158 | 5.4 | 23 | 5 | .217 | 114.2 | .651 |
| Anthony DeSclafani | SFG | sp | 31 | 26 | 0 | .000 | 0 | 17 | .654 | 121 | 4.7 | 10 | 1 | .100 | 89.6 | .643 |
| Jairo Diaz |   | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 5 | .217 | 18.3 | .605 |
| Jake Diekman* | Hou | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 34 | 5 | .147 | 16.2 | .590 |
| Rafael Dolis | NYM | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 10 | .476 | 16.8 | .628 |
| Sean Doolittle* | Ari | cl | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 11.9 | .682 |
| Oliver Drake | Hou | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 1 | .111 | 19.1 | .635 |
| Tyler Duffey | Pit | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 1 | .143 | 19.2 | .661 |
| Sam Dyson | NYM | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 12.2 | .648 |
| Carl Edwards Jr. | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 20.7 | .611 |
| Nathan Eovaldi | Cin | sp | 31 | 2 | 0 | .000 | 0 | 1 | .500 | 8 | 4.0 | 10 | 2 | .200 | 32.6 | .643 |
| Tom Eshelman | Cin | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 25.2 | .653 |
| Carlos Estevez | Mia | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 5 | .294 | 25.6 | .615 |
| Jeurys Familia | SFG | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 2 | .095 | 17.0 | .599 |
| Erick Fedde | Cin | sp | 28 | 6 | 0 | .000 | 0 | 3 | .500 | 44 | 7.3 | 17 | 4 | .235 | 36.8 | .600 |
| Michael Feliz | Pit | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 6 | .462 | 20.0 | .576 |
| Caleb Ferguson* | Col | mr | 24 | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 21 | 7 | .333 | 20.8 | .601 |
| Junior Fernandez | Cin | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 1 | .059 | 21.2 | .572 |
| Matt Foster | StL | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 33.1 | .661 |
| Giovanny Gallegos | Col | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 17.4 | .655 |
| Bryan Garcia | Cin | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 8 | .667 | 22.1 | .625 |
| Deivi Garcia | SFG | sp | 22 | 10 | 0 | .000 | 0 | 3 | .300 | 36 | 3.6 | 10 | 4 | .400 | 83.6 | .578 |
| Rico Garcia | Pit | sp | 27 | 20 | 0 | .000 | 0 | 7 | .350 | 103 | 5.2 | 9 | 2 | .222 | 89.2 | .602 |
| Yimi Garcia | SDP | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 22.0 | .678 |
| Amir Garrett* | Mia | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 3 | .250 | 18.9 | .626 |
| Braxton Garrett* | Cin | sp | 23 | 22 | 0 | .000 | 0 | 9 | .409 | 100 | 4.5 | 13 | 5 | .385 | 91.2 | .606 |
| Kevin Gausman | NYM | sp | 30 | 26 | 0 | .000 | 0 | 14 | .538 | 113 | 4.3 | 16 | 8 | .500 | 89.1 | .633 |
| Ken Giles | Hou | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 17.5 | .663 |
| Kevin Ginkel | SDP | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 21.9 | .561 |
| Mychal Givens | SDP | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 7 | .389 | 24.1 | .640 |
| Tyler Glasnow | Hou | sp | 27 | 22 | 1 | .045 | 0 | 11 | .500 | 109 | 5.0 | 18 | 4 | .222 | 101.6 | .611 |
| Tony Gonsolin | LAD | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 7 | .259 | 21.4 | .590 |
| Gio Gonzalez* | Hou | sp | 35 | 26 | 1 | .038 | 1 | 13 | .500 | 141 | 5.4 | 20 | 7 | .350 | 95.1 | .605 |
| Victor Gonzalez* | Cin | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 4 | .200 | 17.4 | .607 |
| MacKenzie Gore* | Mia | sp | 22 | 6 | 0 | .000 | 0 | 2 | .333 | 13 | 2.2 | 6 | 0 | .000 | 98.3 | .598 |
| Trevor Gott | Mil | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 8 | .615 | 21.4 | .596 |
| Jon Gray | Ari | sp | 29 | 27 | 1 | .037 | 0 | 14 | .519 | 155 | 5.7 | 13 | 4 | .308 | 94.7 | .619 |
| Sonny Gray | NYM | sp | 31 | 28 | 0 | .000 | 0 | 16 | .571 | 144 | 5.1 | 17 | 5 | .294 | 96.9 | .615 |
| Shane Greene | Mil | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 4 | .211 | 16.6 | .608 |
| Zack Greinke | Col | sp | 37 | 30 | 8 | .267 | 1 | 18 | .600 | 188 | 6.3 | 15 | 6 | .400 | 108.1 | .663 |
| Zac Grotz | Hou | mr | 28 | 7 | 0 | .000 | 0 | 3 | .429 | 49 | 7.0 | 11 | 5 | .455 | 40.7 | .631 |
| Deolis Guerra | StL | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 19.7 | .645 |
| Javy Guerra | NYM | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 27.6 | .643 |
| Taylor Guilbeau* | Phi | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 6 | .250 | 18.4 | .602 |
| Blaine Hardy* | Col | mr | 34 | 1 | 0 | .000 | 0 | 0 | .000 | 2 | 2.0 | 21 | 7 | .333 | 18.3 | .641 |
| Will Harris | Col | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 15.3 | .654 |
| Thomas Hatch | Cin | sp | 26 | 26 | 0 | .000 | 0 | 9 | .346 | 130 | 5.0 | 18 | 5 | .278 | 89.2 | .606 |
| Andrew Heaney* | StL | sp | 30 | 24 | 2 | .083 | 0 | 17 | .708 | 111 | 4.6 | 19 | 5 | .263 | 104.3 | .628 |
| Ben Heller | Col | mr | 29 | 2 | 0 | .000 | 0 | 0 | .000 | 9 | 4.5 | 8 | 2 | .250 | 41.3 | .623 |
| Liam Hendriks | SFG | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 20.9 | .638 |
| Jordan Hicks | Phi | cl | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 18.7 | .584 |
| Tim Hill* | Ari | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 9.2 | .630 |
| Yoshihisa Hirano | StL | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 21.5 | .615 |
| Adrian Houser | Phi | sp | 28 | 2 | 0 | .000 | 0 | 2 | 1.000 | 19 | 9.5 | 43 | 19 | .442 | 25.1 | .645 |
| Spencer Howard | Hou | sp | 24 | 19 | 0 | .000 | 0 | 5 | .263 | 109 | 5.7 | 22 | 9 | .409 | 89.7 | .584 |
| James Hoyt | Atl | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 8 | .308 | 22.5 | .578 |
| Tommy Hunter | StL | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 12.6 | .627 |
| Raisel Iglesias | Hou | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 3 | .176 | 19.2 | .637 |
| Kenley Jansen | Atl | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 16.6 | .663 |
| Daulton Jefferies | Phi | sp | 25 | 11 | 0 | .000 | 0 | 3 | .273 | 57 | 5.2 | 13 | 2 | .154 | 49.6 | .657 |
| Jeremy Jeffress | Mia | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 3 | .167 | 17.3 | .627 |
| Pierce Johnson | Cin | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 7 | .368 | 21.1 | .592 |
| Damon Jones* | Mia | sp | 26 | 2 | 0 | .000 | 0 | 0 | .000 | 16 | 8.0 | 3 | 1 | .333 | 80.0 | .521 |
| James Kaprielian | Pit | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 7 | .389 | 21.0 | .611 |
| James Karinchak | SFG | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 24.5 | .560 |
| Anthony Kay* | SFG | sp | 26 | 4 | 0 | .000 | 0 | 0 | .000 | 18 | 4.5 | 4 | 4 | 1.000 | 74.8 | .585 |
| Kyle Keller | SFG | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 25.5 | .608 |
| Joe Kelly | Col | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 21.0 | .587 |
| Merrill Kelly | Mil | sp | 32 | 27 | 1 | .037 | 0 | 12 | .444 | 156 | 5.8 | 26 | 7 | .269 | 94.2 | .621 |
| Ian Kennedy | StL | cl | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 2 | .333 | 20.8 | .646 |
| Clayton Kershaw* | Atl | sp | 33 | 27 | 5 | .185 | 3 | 18 | .667 | 142 | 5.3 | 11 | 3 | .273 | 104.9 | .664 |
| Kwang-hyun Kim* | SFG | sp | 32 | 6 | 0 | .000 | 0 | 3 | .500 | 38 | 6.3 | 3 | 2 | .667 | 85.0 | .655 |
| Craig Kimbrel | Atl | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 34 | 7 | .206 | 14.8 | .584 |
| Brandon Kintzler | Atl | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 3 | .375 | 15.8 | .634 |
| Andrew Kittredge | SDP | mr | 31 | 5 | 0 | .000 | 0 | 3 | .600 | 29 | 5.8 | 21 | 4 | .190 | 29.4 | .654 |
| Corey Kluber | Mil | sp | 35 | 24 | 2 | .083 | 1 | 15 | .625 | 108 | 4.5 | 17 | 5 | .294 | 102.3 | .623 |
| Corey Knebel |   | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 5 | .313 | 19.1 | .600 |
| Michael Kopech | Mil | sp | 25 | 20 | 0 | .000 | 0 | 2 | .100 | 101 | 5.1 | 26 | 13 | .500 | 85.9 | .571 |
| Dean Kremer | LAD | sp | 25 | 18 | 0 | .000 | 0 | 5 | .278 | 60 | 3.3 | 7 | 0 | .000 | 89.8 | .588 |
| Joel Kuhnel | Ari | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 14.7 | .545 |
| Derek Law | NYM | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 0 | .000 | 18.4 | .596 |
| Josh Lindblom | ChC | sp | 34 | 24 | 0 | .000 | 0 | 11 | .458 | 101 | 4.2 | 15 | 7 | .467 | 87.5 | .650 |
| Jonathan Loaisiga | Hou | sp | 26 | 8 | 0 | .000 | 0 | 1 | .125 | 41 | 5.1 | 11 | 4 | .364 | 69.3 | .632 |
| Walker Lockett | Col | sp | 27 | 12 | 0 | .000 | 0 | 4 | .333 | 56 | 4.7 | 5 | 3 | .600 | 85.8 | .638 |
| Reynaldo Lopez | SFG | sp | 27 | 24 | 1 | .042 | 0 | 7 | .292 | 120 | 5.0 | 18 | 7 | .389 | 93.8 | .617 |
| Michael Lorenzen | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 9 | .321 | 18.9 | .615 |
| Joey Lucchesi* |   | sp | 28 | 28 | 1 | .036 | 1 | 10 | .357 | 145 | 5.2 | 19 | 8 | .421 | 92.1 | .627 |
| Lance Lynn | Ari | sp | 34 | 26 | 0 | .000 | 0 | 8 | .308 | 133 | 5.1 | 17 | 4 | .235 | 99.3 | .637 |
| Kenta Maeda |   | sp | 33 | 24 | 0 | .000 | 0 | 13 | .542 | 126 | 5.3 | 14 | 5 | .357 | 91.3 | .641 |
| Tyler Mahle | Ari | sp | 26 | 10 | 0 | .000 | 0 | 5 | .500 | 40 | 4.0 | 2 | 1 | .500 | 93.5 | .624 |
| Matt Manning | Mia | sp | 23 | 26 | 1 | .038 | 1 | 13 | .500 | 116 | 4.5 | 11 | 3 | .273 | 86.8 | .630 |
| German Marquez | Atl | sp | 26 | 30 | 2 | .067 | 1 | 21 | .700 | 183 | 6.1 | 23 | 5 | .217 | 104.8 | .644 |
| Brett Martin* | NYM | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 28 | 4 | .143 | 17.1 | .628 |
| Chris Martin | Mil | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 6 | .333 | 15.8 | .710 |
| Carlos Martinez | Cin | sp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 | 18.6 | .617 |
| Phil Maton | StL | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 21.2 | .649 |
| Tyler Matzek* | Atl | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 2 | .286 | 17.7 | .500 |
| Dustin May | LAD | sp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 3 | .167 | 21.5 | .645 |
| Trevor May | SFG | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 3 | .188 | 18.6 | .596 |
| Chris Mazza | Phi | sp | 31 | 1 | 0 | .000 | 0 | 1 | 1.000 | 6 | 6.0 | 5 | 1 | .200 | 27.5 | .647 |
| Lance McCullers Jr. | StL | sp | 27 | 18 | 0 | .000 | 0 | 8 | .444 | 123 | 6.8 | 11 | 1 | .091 | 97.1 | .631 |
| Collin McHugh | Ari | mr | 34 | 11 | 0 | .000 | 0 | 4 | .364 | 78 | 7.1 | 13 | 2 | .154 | 44.4 | .618 |
| Triston McKenzie | LAD | sp | 23 | 8 | 0 | .000 | 0 | 3 | .375 | 26 | 3.3 | 5 | 3 | .600 | 94.0 | .624 |
| John Means* | NYM | sp | 28 | 27 | 1 | .037 | 1 | 13 | .481 | 131 | 4.9 | 12 | 3 | .250 | 84.0 | .663 |
| Trevor Megill | NYM | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 5 | .417 | 30.3 | .591 |
| Ryan Meisinger | StL | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 2 | .250 | 23.1 | .611 |
| Conner Menez* | Mia | sp | 26 | 6 | 0 | .000 | 0 | 2 | .333 | 16 | 2.7 | 7 | 3 | .429 | 86.3 | .583 |
| Daniel Mengden | SDP | sp | 28 | 20 | 0 | .000 | 0 | 11 | .550 | 85 | 4.3 | 12 | 4 | .333 | 79.3 | .636 |
| Miles Mikolas | ChC | sp | 32 | 29 | 2 | .069 | 1 | 17 | .586 | 111 | 3.8 | 23 | 12 | .522 | 98.1 | .664 |
| Alec Mills | ChC | sp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 32 | 12 | .375 | 26.8 | .615 |
| Hoby Milner* | Ari | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 8 | .320 | 15.5 | .665 |
| Mike Minor* | SDP | sp | 33 | 6 | 2 | .333 | 0 | 4 | .667 | 32 | 5.3 | 0 | 0 | .000 | 114.7 | .657 |
| Casey Mize | StL | sp | 24 | 21 | 1 | .048 | 0 | 15 | .714 | 85 | 4.0 | 9 | 3 | .333 | 92.6 | .650 |
| Frankie Montas | Col | sp | 28 | 23 | 0 | .000 | 0 | 7 | .304 | 130 | 5.7 | 19 | 9 | .474 | 84.3 | .643 |
| Mike Montgomery* | ChC | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 7 | .259 | 22.6 | .628 |
| Adrian Morejon* | Pit | sp | 22 | 18 | 0 | .000 | 0 | 2 | .111 | 84 | 4.7 | 7 | 4 | .571 | 75.8 | .593 |
| Brandon Morrow | Mil | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 17.3 | .632 |
| Charlie Morton | Col | sp | 37 | 28 | 1 | .036 | 0 | 13 | .464 | 172 | 6.1 | 12 | 9 | .750 | 100.5 | .641 |
| Joe Musgrove | LAD | sp | 28 | 26 | 0 | .000 | 0 | 18 | .692 | 104 | 4.0 | 15 | 4 | .267 | 93.2 | .648 |
| Nick Neidert | Pit | sp | 24 | 14 | 1 | .071 | 0 | 5 | .357 | 58 | 4.1 | 12 | 7 | .583 | 88.6 | .598 |
| Jimmy Nelson | ChC | sp | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 10 | .385 | 24.1 | .599 |
| Kyle Nelson* | SDP | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 5 | .455 | 20.4 | .635 |
| Hector Neris | StL | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 | 21.5 | .592 |
| Sean Newcomb* | Ari | mr | 28 | 5 | 0 | .000 | 0 | 1 | .200 | 33 | 6.6 | 26 | 9 | .346 | 28.5 | .581 |
| Juan Nicasio | Mil | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 10 | .500 | 16.9 | .655 |
| John Nogowski* | SDP | 1b | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 4 | 1.000 | 31.9 | .565 |
| Aaron Nola | SDP | sp | 28 | 32 | 3 | .094 | 0 | 19 | .594 | 136 | 4.3 | 19 | 4 | .211 | 103.7 | .624 |
| Daniel Norris* | ChC | sp | 28 | 27 | 0 | .000 | 0 | 9 | .333 | 92 | 3.4 | 25 | 9 | .360 | 86.1 | .628 |
| Emilio Pagan | SDP | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 0 | .000 | 21.2 | .628 |
| James Paxton* | Ari | sp | 32 | 10 | 0 | .000 | 0 | 8 | .800 | 48 | 4.8 | 4 | 1 | .250 | 97.0 | .630 |
| Brad Peacock | SDP | sp | 33 | 16 | 0 | .000 | 0 | 4 | .250 | 79 | 4.9 | 14 | 5 | .357 | 78.9 | .615 |
| Nate Pearson | ChC | sp | 24 | 26 | 1 | .038 | 0 | 5 | .192 | 137 | 5.3 | 15 | 3 | .200 | 84.8 | .639 |
| Freddy Peralta | Cin | mr | 25 | 16 | 0 | .000 | 0 | 6 | .375 | 60 | 3.8 | 10 | 4 | .400 | 76.8 | .605 |
| Luis Perdomo | Ari | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 28.3 | .616 |
| Cionel Perez* | Mia | sp | 25 | 2 | 0 | .000 | 0 | 0 | .000 | 5 | 2.5 | 3 | 3 | 1.000 | 93.0 | .591 |
| Martin Perez* | Pit | sp | 30 | 18 | 2 | .111 | 0 | 12 | .667 | 59 | 3.3 | 11 | 3 | .273 | 92.2 | .600 |
| David Peterson* | StL | sp | 25 | 25 | 2 | .080 | 0 | 13 | .520 | 144 | 5.8 | 14 | 5 | .357 | 94.1 | .609 |
| Yusmeiro Petit | SFG | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 2 | .154 | 23.1 | .700 |
| Zach Plesac | Pit | sp | 26 | 28 | 2 | .071 | 1 | 13 | .464 | 114 | 4.1 | 19 | 5 | .263 | 96.6 | .633 |
| Colin Poche* | Mil | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 4 | .182 | 17.5 | .638 |
| Cody Ponce | Phi | mr | 27 | 5 | 0 | .000 | 0 | 3 | .600 | 24 | 4.8 | 15 | 3 | .200 | 32.3 | .596 |
| Daniel Ponce De Leon | Col | sp | 29 | 10 | 0 | .000 | 0 | 2 | .200 | 57 | 5.7 | 10 | 4 | .400 | 63.4 | .605 |
| Ryan Pressly | Ari | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 18.9 | .653 |
| David Price* | Mil | sp | 35 | 23 | 0 | .000 | 0 | 17 | .739 | 144 | 6.3 | 16 | 2 | .125 | 105.3 | .637 |
| Jose Quijada* | Pit | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 21.2 | .561 |
| Tanner Rainey | SFG | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 | 19.1 | .507 |
| Edubray Ramos | SDP | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 4 | .250 | 20.4 | .608 |
| Alex Reyes | Ari | sp | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 4 | 1.000 | 21.6 | .557 |
| Garrett Richards | Ari | sp | 33 | 7 | 0 | .000 | 0 | 2 | .286 | 42 | 6.0 | 1 | 1 | 1.000 | 93.0 | .607 |
| Dereck Rodriguez | Cin | sp | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 26.6 | .608 |
| Chaz Roe |   | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 1 | .067 | 15.5 | .608 |
| Taylor Rogers* | Ari | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 15.4 | .616 |
| Hector Rondon | StL | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 30.8 | .654 |
| Chris Rusin* | Col | mr | 34 | 4 | 0 | .000 | 0 | 0 | .000 | 14 | 3.5 | 6 | 3 | .500 | 65.9 | .644 |
| Hyun-Jin Ryu* | Col | sp | 34 | 24 | 1 | .042 | 0 | 18 | .750 | 80 | 3.3 | 8 | 1 | .125 | 92.7 | .671 |
| Casey Sadler | Col | mr | 30 | 3 | 0 | .000 | 0 | 1 | .333 | 20 | 6.7 | 12 | 9 | .750 | 28.2 | .617 |
| Aaron Sanchez | SDP | sp | 28 | 25 | 0 | .000 | 0 | 10 | .400 | 112 | 4.5 | 18 | 8 | .444 | 94.1 | .588 |
| Sixto Sanchez | LAD | sp | 22 | 18 | 0 | .000 | 0 | 13 | .722 | 66 | 3.7 | 12 | 2 | .167 | 92.4 | .651 |
| Patrick Sandoval* | Cin | sp | 24 | 21 | 0 | .000 | 0 | 5 | .238 | 100 | 4.8 | 14 | 9 | .643 | 89.3 | .599 |
| Dennis Santana | Atl | sp | 25 | 12 | 0 | .000 | 0 | 2 | .167 | 59 | 4.9 | 20 | 10 | .500 | 48.9 | .599 |
| Ervin Santana | Atl | sp | 38 | 19 | 2 | .105 | 1 | 6 | .316 | 69 | 3.6 | 14 | 4 | .286 | 97.7 | .631 |
| Josh Sborz | StL | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 4 | .174 | 23.1 | .624 |
| Max Scherzer | SDP | sp | 36 | 27 | 3 | .111 | 3 | 18 | .667 | 132 | 4.9 | 11 | 4 | .364 | 113.9 | .652 |
| John Schreiber | NYM | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 15.5 | .642 |
| Sam Selman* | Atl | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 34 | 7 | .206 | 16.8 | .576 |
| Antonio Senzatela | Pit | sp | 26 | 22 | 4 | .182 | 1 | 10 | .455 | 85 | 3.9 | 13 | 4 | .308 | 89.2 | .611 |
| Bryan Shaw | SFG | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 25.0 | .653 |
| Matt Shoemaker | Mia | sp | 34 | 8 | 0 | .000 | 0 | 3 | .375 | 25 | 3.1 | 8 | 0 | .000 | 104.9 | .570 |
| Lucas Sims | Phi | sp | 27 | 12 | 0 | .000 | 0 | 5 | .417 | 69 | 5.8 | 19 | 5 | .263 | 47.3 | .587 |
| Brady Singer | Atl | sp | 24 | 26 | 0 | .000 | 0 | 9 | .346 | 123 | 4.7 | 26 | 11 | .423 | 84.5 | .601 |
| Tarik Skubal* | StL | sp | 24 | 24 | 0 | .000 | 0 | 7 | .292 | 106 | 4.4 | 22 | 8 | .364 | 87.9 | .606 |
| Caleb Smith* | ChC | sp | 29 | 25 | 0 | .000 | 0 | 14 | .560 | 86 | 3.4 | 18 | 2 | .111 | 97.7 | .627 |
| Blake Snell* | StL | sp | 28 | 26 | 0 | .000 | 0 | 14 | .538 | 145 | 5.6 | 14 | 8 | .571 | 99.7 | .609 |
| Joakim Soria | StL | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 18.8 | .644 |
| Mike Soroka | Atl | sp | 23 | 31 | 3 | .097 | 2 | 18 | .581 | 180 | 5.8 | 24 | 5 | .208 | 94.6 | .639 |
| Ryne Stanek |   | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 1 | .111 | 19.7 | .603 |
| Josh Staumont | LAD | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 14 | .452 | 22.8 | .540 |
| Drew Steckenrider | Col | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 21.2 | .605 |
| Kohl Stewart | LAD | sp | 26 | 4 | 0 | .000 | 0 | 0 | .000 | 7 | 1.8 | 7 | 1 | .143 | 55.0 | .606 |
| Matt Strahm* | LAD | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 4 | .200 | 16.1 | .617 |
| Stephen Strasburg | Ari | sp | 32 | 30 | 4 | .133 | 2 | 25 | .833 | 178 | 5.9 | 18 | 4 | .222 | 110.9 | .633 |
| Ross Stripling | Col | mr | 31 | 15 | 0 | .000 | 0 | 7 | .467 | 57 | 3.8 | 12 | 3 | .250 | 87.3 | .652 |
| Marcus Stroman | Hou | sp | 30 | 29 | 1 | .034 | 0 | 16 | .552 | 115 | 4.0 | 29 | 13 | .448 | 95.9 | .621 |
| Pedro Strop |   | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 2 | .118 | 11.4 | .611 |
| Jose Suarez* | Cin | sp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 23.7 | .606 |
| Ranger Suarez* | Hou | mr | 25 | 5 | 0 | .000 | 0 | 1 | .200 | 38 | 7.6 | 10 | 5 | .500 | 39.2 | .634 |
| Wander Suero | Mia | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 7 | .389 | 21.3 | .625 |
| Brent Suter* | Mil | sp | 31 | 14 | 0 | .000 | 0 | 6 | .429 | 67 | 4.8 | 11 | 5 | .455 | 64.3 | .650 |
| Erik Swanson | SDP | sp | 27 | 5 | 0 | .000 | 0 | 0 | .000 | 25 | 5.0 | 1 | 1 | 1.000 | 66.8 | .620 |
| Masahiro Tanaka | NYM | sp | 32 | 29 | 0 | .000 | 0 | 12 | .414 | 107 | 3.7 | 9 | 2 | .222 | 92.3 | .646 |
| Dillon Tate | SFG | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 4 | .400 | 25.6 | .612 |
| Blake Taylor* | Pit | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 3 | .143 | 20.2 | .535 |
| Josh Taylor* | Mia | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 21.8 | .609 |
| Blake Treinen | Atl | cl | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 7 | .304 | 17.9 | .613 |
| Andrew Triggs | Hou | sp | 32 | 12 | 0 | .000 | 0 | 5 | .417 | 74 | 6.2 | 9 | 5 | .556 | 84.6 | .609 |
| Sam Tuivailala | Mia | mr | 28 | 3 | 0 | .000 | 0 | 1 | .333 | 23 | 7.7 | 7 | 1 | .143 | 44.3 | .566 |
| Jose Urquidy | SFG | sp | 26 | 11 | 1 | .091 | 0 | 4 | .364 | 34 | 3.1 | 11 | 5 | .455 | 74.0 | .640 |
| Framber Valdez* | Pit | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 30 | 6 | .200 | 22.9 | .593 |
| Vince Velasquez | StL | sp | 29 | 20 | 0 | .000 | 0 | 8 | .400 | 129 | 6.4 | 14 | 6 | .429 | 81.1 | .621 |
| Pat Venditte* | Atl | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 2 | .069 | 16.0 | .586 |
| Alex Vesia* | Col | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 23.9 | .600 |
| Austin Voth | Mil | sp | 29 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 0 | 0 | .000 | 63.0 | .556 |
| Jacob Waguespack | SDP | sp | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 9.0 | .778 |
| Marcus Walden | Mil | mr | 32 | 3 | 0 | .000 | 0 | 2 | .667 | 10 | 3.3 | 22 | 9 | .409 | 22.9 | .604 |
| Jeremy Walker | ChC | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 8 | .348 | 25.4 | .616 |
| Jared Walsh* | Phi | 1b | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 31.5 | .603 |
| Tony Watson* | Atl | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 34 | 5 | .147 | 13.8 | .619 |
| Luke Weaver | Mia | sp | 27 | 20 | 0 | .000 | 0 | 13 | .650 | 106 | 5.3 | 13 | 4 | .308 | 99.4 | .633 |
| Tyler Webb* | Mil | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 9 | .290 | 14.6 | .616 |
| J.B. Wendelken | Mia | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 23.2 | .634 |
| Zack Wheeler | SFG | sp | 31 | 27 | 5 | .185 | 1 | 20 | .741 | 100 | 3.7 | 5 | 2 | .400 | 101.4 | .640 |
| Mitchell White | Hou | sp | 26 | 2 | 0 | .000 | 0 | 0 | .000 | 20 | 10.0 | 1 | 1 | 1.000 | 82.5 | .624 |
| Tyler White | Mia | 1b | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 5 | .556 | 19.3 | .506 |
| Rowan Wick | Hou | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 9 | .409 | 24.7 | .575 |
| Brad Wieck* | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 7 | .292 | 17.5 | .595 |
| Justin Wilson* | Mia | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 9 | .429 | 18.8 | .617 |
| Trey Wingenter | SDP | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 21.1 | .592 |
| Jake Woodford | Phi | sp | 24 | 8 | 0 | .000 | 0 | 2 | .250 | 49 | 6.1 | 8 | 7 | .875 | 93.5 | .590 |
| Brandon Workman | SDP | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 21.4 | .608 |
| Kyle Wright | Mia | sp | 25 | 28 | 0 | .000 | 0 | 13 | .464 | 120 | 4.3 | 15 | 3 | .200 | 87.9 | .616 |
| Miguel Yajure | Pit | sp | 23 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 23 | 10 | .435 | 20.1 | .627 |
| Kirby Yates | Phi | cl | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 18.1 | .626 |
| Huascar Ynoa | Cin | sp | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 14 | .519 | 27.1 | .553 |
| Alex Young* | Atl | sp | 27 | 17 | 0 | .000 | 0 | 3 | .176 | 83 | 4.9 | 19 | 7 | .368 | 50.0 | .601 |
| Daniel Zamora* | StL | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 2 | .087 | 19.7 | .606 |
| Kyle Zimmer | Phi | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 3 | .333 | 19.0 | .493 |
| Bruce Zimmermann* | LAD | sp | 26 | 18 | 1 | .056 | 0 | 6 | .333 | 79 | 4.4 | 15 | 3 | .200 | 95.1 | .602 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | NP/G | STR% |
| Austin L. Adams | Ari | mr | 30 | 5 | 0 | .000 | 5 | 1.000 | 6 | 22 | 9 | .409 | 34 | 34 | 11 | 22.5 | .598 |
| Jorge Alcala | Pit | sp | 25 | 3 | 0 | .000 | 2 | .667 | 10 | 49 | 22 | .449 | 56 | 56 | 15 | 23.5 | .592 |
| Sandy Alcantara | Mia | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 36 | 3 | 1 | 92.8 | .604 |
| Tyler John Alexander* | SDP | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 84.8 | .661 |
| Kolby Allard* |   | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 89.0 | .599 |
| Logan Allen* | Pit | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 85.8 | .601 |
| Ian Anderson | NYM | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 80.9 | .579 |
| Nick Anderson | Phi | mr | 30 | 10 | 8 | .800 | 1 | .100 | 22 | 26 | 7 | .269 | 45 | 45 | 13 | 20.1 | .647 |
| Shaun Anderson | Phi | sp | 26 | 2 | 1 | .500 | 1 | .500 | 3 | 7 | 4 | .571 | 24 | 16 | 5 | 45.8 | .626 |
| Tyler Anderson* | SFG | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 98.5 | .619 |
| Victor Arano | Mil | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 1 | 3 | 3 | 1.000 | 6 | 6 | 1 | 21.8 | .618 |
| Jake Arrieta | Mia | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 97.7 | .623 |
| Anthony Banda* | Cin | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 93.5 | .598 |
| Caleb Baragar* | LAD | sp | 27 | 8 | 5 | .625 | 3 | .375 | 7 | 51 | 15 | .294 | 66 | 66 | 30 | 21.6 | .586 |
| Kyle Barraclough | SFG | mr | 31 | 5 | 4 | .800 | 0 | .000 | 4 | 21 | 7 | .333 | 16 | 16 | 8 | 18.6 | .607 |
| Anthony Bass | ChC | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 2 | .400 | 3 | 3 | 2 | 33.0 | .707 |
| Trevor Bauer | Cin | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 104.1 | .622 |
| Cam Bedrosian |   | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 4 | 15 | 1 | .067 | 22 | 18 | 1 | 26.0 | .618 |
| Jose Berrios | LAD | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 107.2 | .614 |
| Dellin Betances | Phi | mr | 33 | 2 | 1 | .500 | 1 | .500 | 8 | 18 | 2 | .111 | 31 | 31 | 7 | 18.2 | .632 |
| Shane Bieber | Phi | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 94.1 | .680 |
| Ray Black | SDP | mr | 31 | 3 | 0 | .000 | 2 | .667 | 3 | 21 | 10 | .476 | 25 | 25 | 9 | 21.2 | .552 |
| Paul Blackburn | Pit | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 12 | 3 | .250 | 21 | 14 | 5 | 45.6 | .610 |
| Ronald Bolanos | Pit | sp | 24 | 2 | 0 | .000 | 1 | .500 | 4 | 23 | 5 | .217 | 50 | 39 | 3 | 40.2 | .575 |
| Ryan Borucki* | Cin | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 85.6 | .606 |
| James Bourque |   | mr | 27 | 3 | 1 | .333 | 2 | .667 | 1 | 24 | 7 | .292 | 30 | 30 | 15 | 28.5 | .596 |
| Matt Boyd* | ChC | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 96.8 | .652 |
| Silvino Bracho | SDP | mr | 28 | 2 | 1 | .500 | 0 | .000 | 2 | 15 | 2 | .133 | 23 | 23 | 9 | 28.0 | .643 |
| Ryan Brasier | Ari | mr | 33 | 7 | 3 | .429 | 3 | .429 | 9 | 22 | 7 | .318 | 46 | 46 | 18 | 18.3 | .633 |
| Steven Brault* | NYM | sp | 29 | 1 | 0 | .000 | 1 | 1.000 | 5 | 15 | 4 | .267 | 46 | 41 | 11 | 28.8 | .554 |
| Jeff Brigham | Atl | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 2 | 26 | 6 | .231 | 30 | 30 | 13 | 21.4 | .604 |
| Zack Britton* | NYM | mr | 33 | 4 | 1 | .250 | 2 | .500 | 18 | 31 | 5 | .161 | 52 | 52 | 10 | 13.5 | .571 |
| Rex Brothers* | Mia | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 5 | 5 | 0 | 38.4 | .531 |
| Walker Buehler | SFG | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 103.0 | .646 |
| Aaron Bummer* | Col | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 0 | .000 | 21 | 21 | 6 | 19.3 | .632 |
| Dylan Bundy | SDP | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 101.3 | .660 |
| Nick Burdi | StL | mr | 28 | 3 | 2 | .667 | 1 | .333 | 2 | 2 | 1 | .500 | 6 | 6 | 2 | 29.0 | .592 |
| Trevor Cahill | ChC | sp | 33 | 6 | 1 | .167 | 3 | .500 | 15 | 39 | 12 | .308 | 64 | 64 | 20 | 22.2 | .595 |
| Griffin Canning | Ari | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 93.4 | .605 |
| Carlos Carrasco | Phi | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 89.8 | .669 |
| Humberto Castellanos | Col | mr | 23 | 0 | 0 | .000 | 0 | .000 | 3 | 17 | 8 | .471 | 39 | 39 | 8 | 26.8 | .661 |
| Luis Castillo | Phi | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 101.7 | .613 |
| Miguel Castro | ChC | mr | 26 | 43 | 31 | .721 | 12 | .279 | 2 | 54 | 15 | .278 | 62 | 62 | 51 | 20.5 | .589 |
| Dylan Cease | Hou | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 105.7 | .662 |
| Andrew Chafin* | SFG | mr | 31 | 5 | 4 | .800 | 0 | .000 | 12 | 29 | 3 | .103 | 48 | 48 | 10 | 13.9 | .624 |
| Aroldis Chapman* | Mil | cl | 33 | 28 | 27 | .964 | 1 | .036 | 2 | 23 | 2 | .087 | 43 | 43 | 36 | 17.6 | .620 |
| Yonny Chirinos | Phi | sp | 27 | 8 | 4 | .500 | 4 | .500 | 7 | 30 | 9 | .300 | 46 | 36 | 17 | 38.9 | .655 |
| Aaron Civale | Mil | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 87.0 | .639 |
| Mike Clevinger | Phi | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 93.6 | .627 |
| Edwar Colina | LAD | sp | 24 | 11 | 3 | .273 | 4 | .364 | 4 | 35 | 10 | .286 | 50 | 50 | 14 | 23.1 | .570 |
| Alex Colome | NYM | mr | 32 | 35 | 28 | .800 | 7 | .200 | 2 | 33 | 8 | .242 | 54 | 54 | 41 | 16.8 | .626 |
| Patrick Corbin* | Ari | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 99.5 | .615 |
| Stefan Crichton | NYM | mr | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 12 | 6 | .500 | 15 | 15 | 4 | 27.3 | .622 |
| Wil Crowe | SFG | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 78.4 | .627 |
| Johnny Cueto | NYM | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 94.0 | .626 |
| Yu Darvish | Mil | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 100.1 | .623 |
| Austin Davis* | Pit | mr | 28 | 5 | 1 | .200 | 3 | .600 | 9 | 25 | 4 | .160 | 46 | 46 | 7 | 23.5 | .574 |
| Jacob deGrom | Hou | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 114.2 | .651 |
| Anthony DeSclafani | SFG | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 89.6 | .643 |
| Jairo Diaz |   | mr | 30 | 5 | 4 | .800 | 1 | .200 | 18 | 30 | 9 | .300 | 55 | 55 | 11 | 18.3 | .605 |
| Jake Diekman* | Hou | mr | 34 | 10 | 2 | .200 | 5 | .500 | 16 | 43 | 15 | .349 | 56 | 56 | 10 | 16.2 | .590 |
| Rafael Dolis | NYM | mr | 33 | 4 | 1 | .250 | 2 | .500 | 7 | 30 | 4 | .133 | 44 | 44 | 6 | 16.8 | .628 |
| Sean Doolittle* | Ari | cl | 34 | 15 | 10 | .667 | 3 | .200 | 18 | 46 | 6 | .130 | 59 | 59 | 18 | 11.9 | .682 |
| Oliver Drake | Hou | mr | 34 | 22 | 16 | .727 | 4 | .182 | 5 | 38 | 8 | .211 | 55 | 55 | 41 | 19.1 | .635 |
| Tyler Duffey | Pit | mr | 30 | 28 | 22 | .786 | 6 | .214 | 0 | 29 | 8 | .276 | 53 | 53 | 41 | 19.2 | .661 |
| Sam Dyson | NYM | mr | 33 | 1 | 0 | .000 | 0 | .000 | 8 | 22 | 6 | .273 | 31 | 31 | 9 | 12.2 | .648 |
| Carl Edwards Jr. | Hou | mr | 29 | 4 | 3 | .750 | 1 | .250 | 6 | 22 | 3 | .136 | 34 | 34 | 13 | 20.7 | .611 |
| Nathan Eovaldi | Cin | sp | 31 | 0 | 0 | .000 | 0 | .000 | 1 | 10 | 3 | .300 | 18 | 16 | 6 | 32.6 | .643 |
| Tom Eshelman | Cin | sp | 27 | 0 | 0 | .000 | 0 | .000 | 3 | 16 | 8 | .500 | 23 | 23 | 10 | 25.2 | .653 |
| Carlos Estevez | Mia | mr | 28 | 5 | 1 | .200 | 3 | .600 | 5 | 35 | 19 | .543 | 48 | 48 | 14 | 25.6 | .615 |
| Jeurys Familia | SFG | mr | 31 | 6 | 4 | .667 | 0 | .000 | 15 | 26 | 4 | .154 | 58 | 58 | 18 | 17.0 | .599 |
| Erick Fedde | Cin | sp | 28 | 3 | 1 | .333 | 2 | .667 | 3 | 18 | 7 | .389 | 26 | 20 | 7 | 36.8 | .600 |
| Michael Feliz | Pit | mr | 28 | 5 | 3 | .600 | 2 | .400 | 4 | 8 | 4 | .500 | 26 | 26 | 8 | 20.0 | .576 |
| Caleb Ferguson* | Col | mr | 24 | 3 | 2 | .667 | 0 | .000 | 10 | 36 | 16 | .444 | 60 | 59 | 16 | 20.8 | .601 |
| Junior Fernandez | Cin | mr | 24 | 4 | 1 | .250 | 2 | .500 | 8 | 32 | 6 | .188 | 37 | 37 | 16 | 21.2 | .572 |
| Matt Foster | StL | mr | 26 | 0 | 0 | .000 | 0 | .000 | 3 | 4 | 3 | .750 | 9 | 9 | 1 | 33.1 | .661 |
| Giovanny Gallegos | Col | mr | 29 | 45 | 35 | .778 | 10 | .222 | 0 | 25 | 5 | .200 | 59 | 59 | 54 | 17.4 | .655 |
| Bryan Garcia | Cin | mr | 26 | 1 | 0 | .000 | 1 | 1.000 | 5 | 15 | 8 | .533 | 28 | 28 | 9 | 22.1 | .625 |
| Deivi Garcia | SFG | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 11 | 1 | 0 | 83.6 | .578 |
| Rico Garcia | Pit | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 89.2 | .602 |
| Yimi Garcia | SDP | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 9 | 12 | 3 | .250 | 23 | 23 | 6 | 22.0 | .678 |
| Amir Garrett* | Mia | mr | 29 | 4 | 3 | .750 | 0 | .000 | 14 | 32 | 6 | .188 | 56 | 56 | 16 | 18.9 | .626 |
| Braxton Garrett* | Cin | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 91.2 | .606 |
| Kevin Gausman | NYM | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 89.1 | .633 |
| Ken Giles | Hou | cl | 30 | 2 | 2 | 1.000 | 0 | .000 | 1 | 6 | 2 | .333 | 10 | 10 | 8 | 17.5 | .663 |
| Kevin Ginkel | SDP | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 3 | 8 | 2 | .250 | 13 | 13 | 5 | 21.9 | .561 |
| Mychal Givens | SDP | mr | 31 | 2 | 1 | .500 | 1 | .500 | 8 | 26 | 14 | .538 | 45 | 45 | 17 | 24.1 | .640 |
| Tyler Glasnow | Hou | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 101.6 | .611 |
| Tony Gonsolin | LAD | sp | 27 | 6 | 3 | .500 | 3 | .500 | 1 | 41 | 15 | .366 | 51 | 51 | 22 | 21.4 | .590 |
| Gio Gonzalez* | Hou | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 95.1 | .605 |
| Victor Gonzalez* | Cin | mr | 25 | 9 | 1 | .111 | 6 | .667 | 6 | 31 | 12 | .387 | 44 | 44 | 9 | 17.4 | .607 |
| MacKenzie Gore* | Mia | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 98.3 | .598 |
| Trevor Gott | Mil | mr | 28 | 4 | 3 | .750 | 1 | .250 | 5 | 33 | 13 | .394 | 37 | 37 | 12 | 21.4 | .596 |
| Jon Gray | Ari | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 94.7 | .619 |
| Sonny Gray | NYM | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 96.9 | .615 |
| Shane Greene | Mil | cl | 32 | 7 | 3 | .429 | 1 | .143 | 11 | 37 | 11 | .297 | 55 | 55 | 20 | 16.6 | .608 |
| Zack Greinke | Col | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 108.1 | .663 |
| Zac Grotz | Hou | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 4 | 12 | 4 | .333 | 27 | 20 | 7 | 40.7 | .631 |
| Deolis Guerra | StL | mr | 32 | 7 | 5 | .714 | 2 | .286 | 6 | 29 | 6 | .207 | 41 | 41 | 22 | 19.7 | .645 |
| Javy Guerra | NYM | mr | 35 | 2 | 2 | 1.000 | 0 | .000 | 1 | 6 | 2 | .333 | 17 | 17 | 7 | 27.6 | .643 |
| Taylor Guilbeau* | Phi | mr | 28 | 5 | 1 | .200 | 2 | .400 | 6 | 38 | 9 | .237 | 39 | 39 | 9 | 18.4 | .602 |
| Blaine Hardy* | Col | mr | 34 | 2 | 0 | .000 | 1 | .500 | 9 | 30 | 16 | .533 | 50 | 49 | 15 | 18.3 | .641 |
| Will Harris | Col | mr | 36 | 8 | 3 | .375 | 4 | .500 | 10 | 24 | 7 | .292 | 45 | 45 | 14 | 15.3 | .654 |
| Thomas Hatch | Cin | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 89.2 | .606 |
| Andrew Heaney* | StL | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 104.3 | .628 |
| Ben Heller | Col | mr | 29 | 0 | 0 | .000 | 0 | .000 | 1 | 3 | 2 | .667 | 7 | 5 | 2 | 41.3 | .623 |
| Liam Hendriks | SFG | cl | 32 | 35 | 30 | .857 | 5 | .143 | 1 | 20 | 7 | .350 | 56 | 56 | 47 | 20.9 | .638 |
| Jordan Hicks | Phi | cl | 24 | 13 | 7 | .538 | 4 | .308 | 17 | 18 | 4 | .222 | 46 | 46 | 10 | 18.7 | .584 |
| Tim Hill* | Ari | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 5 | 5 | 1 | 9.2 | .630 |
| Yoshihisa Hirano | StL | mr | 37 | 2 | 1 | .500 | 1 | .500 | 6 | 15 | 0 | .000 | 20 | 20 | 4 | 21.5 | .615 |
| Adrian Houser | Phi | sp | 28 | 7 | 3 | .429 | 3 | .429 | 10 | 52 | 16 | .308 | 60 | 58 | 18 | 25.1 | .645 |
| Spencer Howard | Hou | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 89.7 | .584 |
| James Hoyt | Atl | mr | 34 | 1 | 0 | .000 | 1 | 1.000 | 1 | 26 | 4 | .154 | 28 | 28 | 8 | 22.5 | .578 |
| Tommy Hunter | StL | mr | 34 | 3 | 1 | .333 | 2 | .667 | 3 | 6 | 1 | .167 | 14 | 14 | 5 | 12.6 | .627 |
| Raisel Iglesias | Hou | cl | 31 | 11 | 6 | .545 | 2 | .182 | 14 | 37 | 13 | .351 | 54 | 54 | 20 | 19.2 | .637 |
| Kenley Jansen | Atl | cl | 33 | 33 | 28 | .848 | 5 | .152 | 2 | 31 | 13 | .419 | 46 | 46 | 35 | 16.6 | .663 |
| Daulton Jefferies | Phi | sp | 25 | 3 | 1 | .333 | 1 | .333 | 4 | 14 | 6 | .429 | 24 | 13 | 7 | 49.6 | .657 |
| Jeremy Jeffress | Mia | mr | 33 | 13 | 10 | .769 | 3 | .231 | 11 | 30 | 5 | .167 | 65 | 65 | 23 | 17.3 | .627 |
| Pierce Johnson | Cin | mr | 30 | 13 | 7 | .538 | 6 | .462 | 6 | 16 | 5 | .313 | 45 | 45 | 22 | 21.1 | .592 |
| Damon Jones* | Mia | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 3 | 1 | 1 | 80.0 | .521 |
| James Kaprielian | Pit | sp | 27 | 3 | 2 | .667 | 1 | .333 | 5 | 33 | 14 | .424 | 36 | 36 | 11 | 21.0 | .611 |
| James Karinchak | SFG | mr | 25 | 0 | 0 | .000 | 0 | .000 | 13 | 3 | 0 | .000 | 27 | 27 | 2 | 24.5 | .560 |
| Anthony Kay* | SFG | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 74.8 | .585 |
| Kyle Keller | SFG | mr | 28 | 3 | 2 | .667 | 0 | .000 | 3 | 20 | 7 | .350 | 37 | 37 | 13 | 25.5 | .608 |
| Joe Kelly | Col | mr | 33 | 0 | 0 | .000 | 0 | .000 | 3 | 26 | 10 | .385 | 36 | 36 | 6 | 21.0 | .587 |
| Merrill Kelly | Mil | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 94.2 | .621 |
| Ian Kennedy | StL | cl | 36 | 7 | 3 | .429 | 4 | .571 | 4 | 24 | 8 | .333 | 32 | 32 | 13 | 20.8 | .646 |
| Clayton Kershaw* | Atl | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 104.9 | .664 |
| Kwang-hyun Kim* | SFG | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 85.0 | .655 |
| Craig Kimbrel | Atl | cl | 33 | 13 | 5 | .385 | 4 | .308 | 10 | 34 | 9 | .265 | 51 | 51 | 11 | 14.8 | .584 |
| Brandon Kintzler | Atl | mr | 36 | 3 | 3 | 1.000 | 0 | .000 | 8 | 27 | 5 | .185 | 42 | 42 | 18 | 15.8 | .634 |
| Andrew Kittredge | SDP | mr | 31 | 3 | 1 | .333 | 2 | .667 | 4 | 24 | 6 | .250 | 41 | 36 | 9 | 29.4 | .654 |
| Corey Kluber | Mil | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 102.3 | .623 |
| Corey Knebel |   | cl | 29 | 7 | 3 | .429 | 4 | .571 | 12 | 17 | 5 | .294 | 43 | 43 | 19 | 19.1 | .600 |
| Michael Kopech | Mil | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 85.9 | .571 |
| Dean Kremer | LAD | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 0 | .000 | 20 | 2 | 2 | 89.8 | .588 |
| Joel Kuhnel | Ari | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 1 | .250 | 6 | 6 | 4 | 14.7 | .545 |
| Derek Law | NYM | mr | 30 | 3 | 0 | .000 | 1 | .333 | 4 | 13 | 5 | .385 | 21 | 21 | 5 | 18.4 | .596 |
| Josh Lindblom | ChC | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 87.5 | .650 |
| Jonathan Loaisiga | Hou | sp | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 2 | 0 | .000 | 12 | 4 | 0 | 69.3 | .632 |
| Walker Lockett | Col | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 85.8 | .638 |
| Reynaldo Lopez | SFG | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 93.8 | .617 |
| Michael Lorenzen | Hou | mr | 29 | 8 | 2 | .250 | 5 | .625 | 17 | 46 | 17 | .370 | 63 | 63 | 15 | 18.9 | .615 |
| Joey Lucchesi* |   | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 92.1 | .627 |
| Lance Lynn | Ari | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 99.3 | .637 |
| Kenta Maeda |   | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 91.3 | .641 |
| Tyler Mahle | Ari | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 93.5 | .624 |
| Matt Manning | Mia | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 1 | 1 | 86.8 | .630 |
| German Marquez | Atl | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 104.8 | .644 |
| Brett Martin* | NYM | mr | 26 | 10 | 4 | .400 | 5 | .500 | 11 | 51 | 21 | .412 | 62 | 62 | 19 | 17.1 | .628 |
| Chris Martin | Mil | mr | 35 | 11 | 6 | .545 | 3 | .273 | 11 | 27 | 7 | .259 | 39 | 39 | 12 | 15.8 | .710 |
| Carlos Martinez | Cin | sp | 29 | 23 | 21 | .913 | 1 | .043 | 2 | 31 | 8 | .258 | 48 | 48 | 40 | 18.6 | .617 |
| Phil Maton | StL | mr | 28 | 7 | 4 | .571 | 1 | .143 | 8 | 38 | 6 | .158 | 46 | 46 | 17 | 21.2 | .649 |
| Tyler Matzek* | Atl | mr | 30 | 0 | 0 | .000 | 0 | .000 | 1 | 1 | 1 | 1.000 | 6 | 6 | 1 | 17.7 | .500 |
| Dustin May | LAD | sp | 23 | 4 | 1 | .250 | 3 | .750 | 12 | 35 | 10 | .286 | 58 | 58 | 23 | 21.5 | .645 |
| Trevor May | SFG | mr | 31 | 8 | 2 | .250 | 6 | .750 | 8 | 20 | 11 | .550 | 42 | 42 | 15 | 18.6 | .596 |
| Chris Mazza | Phi | sp | 31 | 3 | 2 | .667 | 1 | .333 | 2 | 9 | 3 | .333 | 10 | 9 | 6 | 27.5 | .647 |
| Lance McCullers Jr. | StL | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 97.1 | .631 |
| Collin McHugh | Ari | mr | 34 | 0 | 0 | .000 | 0 | .000 | 2 | 8 | 4 | .500 | 31 | 20 | 11 | 44.4 | .618 |
| Triston McKenzie | LAD | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 94.0 | .624 |
| John Means* | NYM | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 84.0 | .663 |
| Trevor Megill | NYM | mr | 27 | 2 | 1 | .500 | 1 | .500 | 0 | 16 | 1 | .063 | 32 | 32 | 13 | 30.3 | .591 |
| Ryan Meisinger | StL | mr | 27 | 4 | 3 | .750 | 1 | .250 | 1 | 17 | 7 | .412 | 28 | 28 | 12 | 23.1 | .611 |
| Conner Menez* | Mia | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 86.3 | .583 |
| Daniel Mengden | SDP | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 23 | 3 | 2 | 79.3 | .636 |
| Miles Mikolas | ChC | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 98.1 | .664 |
| Alec Mills | ChC | sp | 29 | 1 | 0 | .000 | 1 | 1.000 | 5 | 48 | 9 | .188 | 62 | 62 | 18 | 26.8 | .615 |
| Hoby Milner* | Ari | mr | 30 | 10 | 3 | .300 | 3 | .300 | 12 | 37 | 11 | .297 | 55 | 55 | 15 | 15.5 | .665 |
| Mike Minor* | SDP | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 114.7 | .657 |
| Casey Mize | StL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 92.6 | .650 |
| Frankie Montas | Col | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 84.3 | .643 |
| Mike Montgomery* | ChC | mr | 31 | 6 | 2 | .333 | 3 | .500 | 12 | 47 | 22 | .468 | 55 | 55 | 20 | 22.6 | .628 |
| Adrian Morejon* | Pit | sp | 22 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 0 | .000 | 20 | 2 | 2 | 75.8 | .593 |
| Brandon Morrow | Mil | mr | 36 | 3 | 2 | .667 | 0 | .000 | 6 | 20 | 10 | .500 | 27 | 27 | 11 | 17.3 | .632 |
| Charlie Morton | Col | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 100.5 | .641 |
| Joe Musgrove | LAD | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 93.2 | .648 |
| Nick Neidert | Pit | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 88.6 | .598 |
| Jimmy Nelson | ChC | sp | 32 | 4 | 0 | .000 | 3 | .750 | 8 | 26 | 10 | .385 | 47 | 47 | 17 | 24.1 | .599 |
| Kyle Nelson* | SDP | mr | 24 | 0 | 0 | .000 | 0 | .000 | 5 | 15 | 7 | .467 | 28 | 28 | 9 | 20.4 | .635 |
| Hector Neris | StL | cl | 32 | 21 | 15 | .714 | 6 | .286 | 6 | 27 | 8 | .296 | 53 | 53 | 32 | 21.5 | .592 |
| Sean Newcomb* | Ari | mr | 28 | 5 | 4 | .800 | 1 | .200 | 8 | 30 | 12 | .400 | 54 | 49 | 11 | 28.5 | .581 |
| Juan Nicasio | Mil | mr | 34 | 1 | 0 | .000 | 0 | .000 | 5 | 25 | 6 | .240 | 43 | 43 | 23 | 16.9 | .655 |
| John Nogowski* | SDP | 1b | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 7 | 7 | 3 | 31.9 | .565 |
| Aaron Nola | SDP | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 103.7 | .624 |
| Daniel Norris* | ChC | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 86.1 | .628 |
| Emilio Pagan | SDP | cl | 30 | 17 | 13 | .765 | 4 | .235 | 5 | 31 | 9 | .290 | 53 | 53 | 31 | 21.2 | .628 |
| James Paxton* | Ari | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 10 | 0 | 0 | 97.0 | .630 |
| Brad Peacock | SDP | sp | 33 | 2 | 1 | .500 | 1 | .500 | 0 | 0 | 0 | .000 | 19 | 3 | 2 | 78.9 | .615 |
| Nate Pearson | ChC | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 84.8 | .639 |
| Freddy Peralta | Cin | mr | 25 | 2 | 1 | .500 | 1 | .500 | 0 | 6 | 3 | .500 | 20 | 4 | 1 | 76.8 | .605 |
| Luis Perdomo | Ari | mr | 28 | 0 | 0 | .000 | 0 | .000 | 4 | 26 | 7 | .269 | 41 | 41 | 12 | 28.3 | .616 |
| Cionel Perez* | Mia | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 93.0 | .591 |
| Martin Perez* | Pit | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 92.2 | .600 |
| David Peterson* | StL | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.1 | .609 |
| Yusmeiro Petit | SFG | mr | 36 | 5 | 4 | .800 | 1 | .200 | 1 | 22 | 6 | .273 | 38 | 38 | 19 | 23.1 | .700 |
| Zach Plesac | Pit | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 96.6 | .633 |
| Colin Poche* | Mil | mr | 27 | 8 | 2 | .250 | 2 | .250 | 14 | 32 | 10 | .313 | 61 | 61 | 15 | 17.5 | .638 |
| Cody Ponce | Phi | mr | 27 | 6 | 2 | .333 | 2 | .333 | 4 | 18 | 10 | .556 | 27 | 22 | 8 | 32.3 | .596 |
| Daniel Ponce De Leon | Col | sp | 29 | 0 | 0 | .000 | 0 | .000 | 2 | 1 | 0 | .000 | 16 | 6 | 1 | 63.4 | .605 |
| Ryan Pressly | Ari | mr | 32 | 19 | 15 | .789 | 4 | .211 | 13 | 27 | 7 | .259 | 49 | 49 | 24 | 18.9 | .653 |
| David Price* | Mil | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 105.3 | .637 |
| Jose Quijada* | Pit | mr | 25 | 2 | 1 | .500 | 0 | .000 | 1 | 9 | 3 | .333 | 10 | 10 | 4 | 21.2 | .561 |
| Tanner Rainey | SFG | mr | 28 | 0 | 0 | .000 | 0 | .000 | 2 | 4 | 0 | .000 | 7 | 7 | 2 | 19.1 | .507 |
| Edubray Ramos | SDP | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 2 | 20 | 8 | .400 | 33 | 33 | 12 | 20.4 | .608 |
| Alex Reyes | Ari | sp | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 2 | 0 | .000 | 9 | 9 | 3 | 21.6 | .557 |
| Garrett Richards | Ari | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 7 | 0 | 0 | 93.0 | .607 |
| Dereck Rodriguez | Cin | sp | 29 | 2 | 1 | .500 | 1 | .500 | 6 | 35 | 14 | .400 | 50 | 50 | 13 | 26.6 | .608 |
| Chaz Roe |   | mr | 34 | 1 | 0 | .000 | 0 | .000 | 3 | 13 | 6 | .462 | 24 | 24 | 4 | 15.5 | .608 |
| Taylor Rogers* | Ari | cl | 30 | 7 | 7 | 1.000 | 0 | .000 | 2 | 7 | 1 | .143 | 12 | 12 | 10 | 15.4 | .616 |
| Hector Rondon | StL | mr | 33 | 1 | 0 | .000 | 1 | 1.000 | 0 | 3 | 1 | .333 | 6 | 6 | 4 | 30.8 | .654 |
| Chris Rusin* | Col | mr | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 7 | 3 | 0 | 65.9 | .644 |
| Hyun-Jin Ryu* | Col | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 92.7 | .671 |
| Casey Sadler | Col | mr | 30 | 0 | 0 | .000 | 0 | .000 | 6 | 14 | 5 | .357 | 36 | 33 | 5 | 28.2 | .617 |
| Aaron Sanchez | SDP | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 94.1 | .588 |
| Sixto Sanchez | LAD | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 92.4 | .651 |
| Patrick Sandoval* | Cin | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 89.3 | .599 |
| Dennis Santana | Atl | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 10 | 4 | .400 | 30 | 18 | 9 | 48.9 | .599 |
| Ervin Santana | Atl | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 97.7 | .631 |
| Josh Sborz | StL | mr | 27 | 2 | 1 | .500 | 1 | .500 | 5 | 26 | 8 | .308 | 43 | 43 | 17 | 23.1 | .624 |
| Max Scherzer | SDP | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 113.9 | .652 |
| John Schreiber | NYM | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 9 | 1 | .111 | 15 | 15 | 6 | 15.5 | .642 |
| Sam Selman* | Atl | mr | 30 | 9 | 4 | .444 | 1 | .111 | 15 | 31 | 4 | .129 | 50 | 50 | 12 | 16.8 | .576 |
| Antonio Senzatela | Pit | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 89.2 | .611 |
| Bryan Shaw | SFG | mr | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 3 | 3 | 3 | 25.0 | .653 |
| Matt Shoemaker | Mia | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 104.9 | .570 |
| Lucas Sims | Phi | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 12 | 3 | .250 | 36 | 24 | 11 | 47.3 | .587 |
| Brady Singer | Atl | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 84.5 | .601 |
| Tarik Skubal* | StL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 87.9 | .606 |
| Caleb Smith* | ChC | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 25 | 0 | 0 | 97.7 | .627 |
| Blake Snell* | StL | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 26 | 0 | 0 | 99.7 | .609 |
| Joakim Soria | StL | mr | 37 | 14 | 10 | .714 | 1 | .071 | 10 | 29 | 9 | .310 | 46 | 46 | 19 | 18.8 | .644 |
| Mike Soroka | Atl | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 94.6 | .639 |
| Ryne Stanek |   | mr | 29 | 25 | 22 | .880 | 3 | .120 | 3 | 39 | 11 | .282 | 61 | 61 | 41 | 19.7 | .603 |
| Josh Staumont | LAD | mr | 27 | 9 | 6 | .667 | 3 | .333 | 9 | 43 | 10 | .233 | 51 | 51 | 16 | 22.8 | .540 |
| Drew Steckenrider | Col | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 4 | 11 | 5 | .455 | 18 | 18 | 1 | 21.2 | .605 |
| Kohl Stewart | LAD | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 1 | .200 | 9 | 5 | 1 | 55.0 | .606 |
| Matt Strahm* | LAD | mr | 29 | 3 | 1 | .333 | 1 | .333 | 5 | 28 | 6 | .214 | 33 | 33 | 9 | 16.1 | .617 |
| Stephen Strasburg | Ari | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 110.9 | .633 |
| Ross Stripling | Col | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 87.3 | .652 |
| Marcus Stroman | Hou | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 1 | 1 | 95.9 | .621 |
| Pedro Strop |   | mr | 36 | 9 | 2 | .222 | 4 | .444 | 11 | 47 | 9 | .191 | 58 | 58 | 17 | 11.4 | .611 |
| Jose Suarez* | Cin | sp | 23 | 2 | 2 | 1.000 | 0 | .000 | 4 | 34 | 6 | .176 | 38 | 38 | 17 | 23.7 | .606 |
| Ranger Suarez* | Hou | mr | 25 | 0 | 0 | .000 | 0 | .000 | 3 | 11 | 2 | .182 | 18 | 13 | 5 | 39.2 | .634 |
| Wander Suero | Mia | mr | 29 | 2 | 1 | .500 | 0 | .000 | 7 | 31 | 11 | .355 | 57 | 57 | 29 | 21.3 | .625 |
| Brent Suter* | Mil | sp | 31 | 0 | 0 | .000 | 0 | .000 | 1 | 4 | 0 | .000 | 21 | 7 | 1 | 64.3 | .650 |
| Erik Swanson | SDP | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 0 | 0 | 66.8 | .620 |
| Masahiro Tanaka | NYM | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 92.3 | .646 |
| Dillon Tate | SFG | mr | 27 | 1 | 1 | 1.000 | 0 | .000 | 2 | 27 | 10 | .370 | 29 | 29 | 9 | 25.6 | .612 |
| Blake Taylor* | Pit | mr | 25 | 7 | 4 | .571 | 1 | .143 | 4 | 38 | 19 | .500 | 55 | 55 | 26 | 20.2 | .535 |
| Josh Taylor* | Mia | mr | 28 | 27 | 22 | .815 | 5 | .185 | 6 | 23 | 7 | .304 | 56 | 56 | 37 | 21.8 | .609 |
| Blake Treinen | Atl | cl | 33 | 5 | 3 | .600 | 2 | .400 | 14 | 32 | 7 | .219 | 53 | 53 | 10 | 17.9 | .613 |
| Andrew Triggs | Hou | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 84.6 | .609 |
| Sam Tuivailala | Mia | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 1 | 9 | 3 | .333 | 9 | 6 | 2 | 44.3 | .566 |
| Jose Urquidy | SFG | sp | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 1 | .500 | 17 | 6 | 1 | 74.0 | .640 |
| Framber Valdez* | Pit | mr | 27 | 2 | 0 | .000 | 1 | .500 | 10 | 21 | 5 | .238 | 46 | 45 | 12 | 22.9 | .593 |
| Vince Velasquez | StL | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 81.1 | .621 |
| Pat Venditte* | Atl | mr | 36 | 5 | 3 | .600 | 2 | .400 | 7 | 54 | 14 | .259 | 45 | 45 | 9 | 16.0 | .586 |
| Alex Vesia* | Col | mr | 25 | 5 | 2 | .400 | 3 | .600 | 6 | 27 | 9 | .333 | 43 | 43 | 24 | 23.9 | .600 |
| Austin Voth | Mil | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 63.0 | .556 |
| Jacob Waguespack | SDP | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 1 | 1 | 1 | 9.0 | .778 |
| Marcus Walden | Mil | mr | 32 | 7 | 5 | .714 | 1 | .143 | 8 | 27 | 9 | .333 | 47 | 44 | 12 | 22.9 | .604 |
| Jeremy Walker | ChC | mr | 26 | 4 | 3 | .750 | 1 | .250 | 3 | 53 | 21 | .396 | 65 | 65 | 29 | 25.4 | .616 |
| Jared Walsh* | Phi | 1b | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 2 | 1 | 31.5 | .603 |
| Tony Watson* | Atl | mr | 36 | 4 | 1 | .250 | 1 | .250 | 13 | 55 | 17 | .309 | 55 | 55 | 12 | 13.8 | .619 |
| Luke Weaver | Mia | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 99.4 | .633 |
| Tyler Webb* | Mil | mr | 30 | 7 | 3 | .429 | 2 | .286 | 14 | 55 | 15 | .273 | 55 | 55 | 11 | 14.6 | .616 |
| J.B. Wendelken | Mia | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 8 | 34 | 11 | .324 | 46 | 46 | 17 | 23.2 | .634 |
| Zack Wheeler | SFG | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 101.4 | .640 |
| Mitchell White | Hou | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 82.5 | .624 |
| Tyler White | Mia | 1b | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 5 | .833 | 9 | 9 | 2 | 19.3 | .506 |
| Rowan Wick | Hou | mr | 28 | 4 | 2 | .500 | 2 | .500 | 4 | 34 | 9 | .265 | 38 | 38 | 14 | 24.7 | .575 |
| Brad Wieck* | Hou | mr | 29 | 11 | 5 | .455 | 5 | .455 | 16 | 43 | 15 | .349 | 57 | 57 | 13 | 17.5 | .595 |
| Justin Wilson* | Mia | mr | 33 | 2 | 1 | .500 | 1 | .500 | 6 | 28 | 4 | .143 | 46 | 46 | 15 | 18.8 | .617 |
| Trey Wingenter | SDP | mr | 27 | 2 | 1 | .500 | 1 | .500 | 6 | 24 | 7 | .292 | 31 | 31 | 9 | 21.1 | .592 |
| Jake Woodford | Phi | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 0 | 0 | 93.5 | .590 |
| Brandon Workman | SDP | cl | 32 | 21 | 13 | .619 | 8 | .381 | 0 | 28 | 3 | .107 | 43 | 43 | 30 | 21.4 | .608 |
| Kyle Wright | Mia | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 87.9 | .616 |
| Miguel Yajure | Pit | sp | 23 | 7 | 2 | .286 | 2 | .286 | 9 | 35 | 10 | .286 | 59 | 58 | 17 | 20.1 | .627 |
| Kirby Yates | Phi | cl | 34 | 35 | 31 | .886 | 4 | .114 | 1 | 27 | 6 | .222 | 48 | 48 | 41 | 18.1 | .626 |
| Huascar Ynoa | Cin | sp | 23 | 3 | 1 | .333 | 2 | .667 | 5 | 39 | 19 | .487 | 44 | 44 | 8 | 27.1 | .553 |
| Alex Young* | Atl | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 16 | 4 | .250 | 40 | 23 | 12 | 50.0 | .601 |
| Daniel Zamora* | StL | mr | 28 | 6 | 4 | .667 | 1 | .167 | 13 | 20 | 5 | .250 | 39 | 39 | 9 | 19.7 | .606 |
| Kyle Zimmer | Phi | mr | 29 | 2 | 0 | .000 | 0 | .000 | 1 | 6 | 4 | .667 | 8 | 8 | 3 | 19.0 | .493 |
| Bruce Zimmermann* | LAD | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 95.1 | .602 |