Team pitching -- 2018 Boston Red Sox
Regular season -- as of 9/25/2018
| Primary |
 | Name | P | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP | BF |
| | Curtiss | mr | 0.00 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| n | O'Day | mr | 2.77 | 5 | 4 | 1 | 50 | 0 | 0 | 0 | 78.0 | 48 | 29 | 24 | 28 | 95 | 7 | 10 | 306 |
| | Merritt* | sp | 2.82 | 0 | 1 | 3 | 15 | 0 | 0 | 0 | 22.1 | 31 | 8 | 7 | 4 | 8 | 0 | 10 | 96 |
| n | Davis,W | cl | 3.35 | 3 | 3 | 14 | 41 | 0 | 0 | 0 | 51.0 | 42 | 21 | 19 | 27 | 61 | 4 | 7 | 219 |
| | Bradford | mr | 3.71 | 1 | 0 | 0 | 14 | 0 | 0 | 0 | 17.0 | 19 | 7 | 7 | 8 | 11 | 0 | 2 | 78 |
| n | Hudson | mr | 3.77 | 2 | 2 | 0 | 29 | 0 | 0 | 0 | 43.0 | 32 | 20 | 18 | 29 | 41 | 5 | 9 | 186 |
| f | Stanek | mr | 4.20 | 0 | 1 | 0 | 13 | 0 | 0 | 0 | 15.0 | 15 | 7 | 7 | 4 | 27 | 2 | 0 | 64 |
| f | Lynn | sp | 4.41 | 6 | 15 | 0 | 33 | 33 | 1 | 0 | 185.2 | 183 | 100 | 91 | 82 | 147 | 33 | 29 | 802 |
| n | Greinke | sp | 4.44 | 7 | 5 | 0 | 17 | 17 | 1 | 0 | 107.1 | 110 | 55 | 53 | 28 | 129 | 13 | 8 | 451 |
| | Heller | mr | 4.50 | 1 | 2 | 2 | 6 | 0 | 0 | 0 | 8.0 | 6 | 6 | 4 | 10 | 5 | 1 | 1 | 40 |
| f | Bridwell | sp | 4.64 | 2 | 13 | 0 | 25 | 24 | 1 | 0 | 139.2 | 147 | 88 | 72 | 32 | 90 | 28 | 11 | 613 |
| f | Jennings* | mr | 4.75 | 2 | 6 | 1 | 51 | 0 | 0 | 0 | 72.0 | 83 | 43 | 38 | 29 | 51 | 9 | 9 | 324 |
| | Barbato | mr | 4.80 | 2 | 0 | 0 | 21 | 0 | 0 | 0 | 30.0 | 28 | 17 | 16 | 16 | 32 | 3 | 1 | 138 |
| f | Johnson,J | cl | 4.85 | 2 | 1 | 6 | 46 | 0 | 0 | 0 | 59.1 | 64 | 36 | 32 | 31 | 55 | 10 | 3 | 273 |
| | Rodriguez,E* | sp | 4.88 | 5 | 13 | 0 | 28 | 28 | 0 | 0 | 151.1 | 159 | 88 | 82 | 59 | 154 | 17 | 7 | 675 |
| | Bettis | sp | 4.91 | 1 | 2 | 0 | 6 | 6 | 0 | 0 | 29.1 | 32 | 20 | 16 | 16 | 13 | 5 | 2 | 136 |
| | Martes | mr | 5.11 | 2 | 4 | 0 | 12 | 6 | 0 | 0 | 44.0 | 39 | 27 | 25 | 16 | 52 | 5 | 1 | 189 |
| | Vargas,J* | sp | 5.24 | 4 | 15 | 0 | 28 | 28 | 0 | 0 | 154.2 | 184 | 108 | 90 | 62 | 124 | 32 | 24 | 695 |
| | Jackson,L | mr | 5.36 | 1 | 4 | 2 | 33 | 0 | 0 | 0 | 40.1 | 53 | 26 | 24 | 13 | 21 | 1 | 2 | 182 |
| | Conley* | sp | 5.42 | 4 | 9 | 0 | 21 | 20 | 0 | 0 | 99.2 | 125 | 71 | 60 | 50 | 70 | 16 | 19 | 466 |
| f | Rondon,B | mr | 6.00 | 1 | 3 | 1 | 21 | 0 | 0 | 0 | 18.0 | 29 | 13 | 12 | 14 | 23 | 1 | 1 | 95 |
| | Grimm | mr | 6.67 | 3 | 3 | 0 | 36 | 0 | 0 | 0 | 56.2 | 70 | 49 | 42 | 36 | 52 | 14 | 11 | 266 |
| | Law | mr | 7.56 | 0 | 2 | 0 | 23 | 0 | 0 | 0 | 33.1 | 42 | 28 | 28 | 13 | 27 | 5 | 4 | 152 |
|   | Total |   | 4.74 | 54 | 108 | 31 | 162 | 162 | 3 | 5 | 1456.2 | 1542 | 867 | 767 | 607 | 1288 | 211 | 171 | 6451 |
| Secondary |
 | Name | P | SB | CS | IW | HBP | WP | BK | SH | SF | CI | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | NP/G | STR% |
| | Curtiss | mr | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0.0 | 18.0 | 0.0 | 0.0 | 0.0 | 19.0 | .632 |
| n | O'Day | mr | 6 | 2 | 1 | 3 | 0 | 9 | 2 | 2 | 0 | 5.5 | 3.2 | 9.1 | 11.0 | 0.8 | 3.4 | 24.4 | .605 |
| | Merritt* | sp | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 12.5 | 1.6 | 14.9 | 3.2 | 0.0 | 2.0 | 19.3 | .671 |
| n | Davis,W | cl | 1 | 0 | 1 | 2 | 9 | 0 | 2 | 3 | 0 | 7.4 | 4.8 | 12.5 | 10.8 | 0.7 | 2.3 | 21.1 | .595 |
| | Bradford | mr | 1 | 0 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 10.1 | 4.2 | 14.8 | 5.8 | 0.0 | 1.4 | 20.0 | .607 |
| n | Hudson | mr | 4 | 0 | 0 | 3 | 2 | 0 | 2 | 4 | 0 | 6.7 | 6.1 | 13.4 | 8.6 | 1.0 | 1.4 | 25.8 | .558 |
| f | Stanek | mr | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 9.0 | 2.4 | 12.0 | 16.2 | 1.2 | 6.8 | 20.3 | .595 |
| f | Lynn | sp | 9 | 4 | 4 | 9 | 1 | 0 | 0 | 5 | 0 | 8.9 | 4.0 | 13.3 | 7.1 | 1.6 | 1.8 | 94.3 | .603 |
| n | Greinke | sp | 5 | 1 | 1 | 0 | 10 | 0 | 0 | 3 | 0 | 9.2 | 2.3 | 11.6 | 10.8 | 1.1 | 4.6 | 105.0 | .648 |
| | Heller | mr | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 6.8 | 11.3 | 18.0 | 5.6 | 1.1 | 0.5 | 25.2 | .497 |
| f | Bridwell | sp | 4 | 3 | 0 | 12 | 4 | 0 | 0 | 3 | 0 | 9.5 | 2.1 | 12.3 | 5.8 | 1.8 | 2.8 | 86.4 | .635 |
| f | Jennings* | mr | 4 | 1 | 5 | 4 | 5 | 0 | 0 | 4 | 0 | 10.4 | 3.6 | 14.5 | 6.4 | 1.1 | 1.8 | 23.2 | .614 |
| | Barbato | mr | 2 | 0 | 2 | 3 | 1 | 0 | 0 | 2 | 0 | 8.4 | 4.8 | 14.1 | 9.6 | 0.9 | 2.0 | 25.8 | .589 |
| f | Johnson,J | cl | 3 | 2 | 5 | 1 | 3 | 0 | 1 | 1 | 0 | 9.7 | 4.7 | 14.6 | 8.3 | 1.5 | 1.8 | 24.0 | .588 |
| | Rodriguez,E* | sp | 3 | 1 | 4 | 9 | 2 | 0 | 1 | 1 | 0 | 9.5 | 3.5 | 13.5 | 9.2 | 1.0 | 2.6 | 92.5 | .614 |
| | Bettis | sp | 3 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 9.8 | 4.9 | 15.3 | 4.0 | 1.5 | 0.8 | 85.0 | .584 |
| | Martes | mr | 1 | 0 | 0 | 0 | 6 | 0 | 1 | 1 | 0 | 8.0 | 3.3 | 11.3 | 10.6 | 1.0 | 3.3 | 63.5 | .600 |
| | Vargas,J* | sp | 15 | 3 | 4 | 5 | 5 | 1 | 1 | 4 | 0 | 10.7 | 3.6 | 14.6 | 7.2 | 1.9 | 2.0 | 91.8 | .598 |
| | Jackson,L | mr | 2 | 2 | 1 | 3 | 2 | 0 | 0 | 0 | 0 | 11.8 | 2.9 | 15.4 | 4.7 | 0.2 | 1.6 | 19.8 | .621 |
| | Conley* | sp | 0 | 1 | 1 | 7 | 4 | 0 | 0 | 5 | 0 | 11.3 | 4.5 | 16.4 | 6.3 | 1.4 | 1.4 | 86.4 | .598 |
| f | Rondon,B | mr | 0 | 2 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 14.5 | 7.0 | 22.0 | 11.5 | 0.5 | 1.6 | 18.4 | .563 |
| | Grimm | mr | 4 | 1 | 1 | 2 | 6 | 1 | 0 | 2 | 0 | 11.1 | 5.7 | 17.2 | 8.3 | 2.2 | 1.4 | 29.6 | .582 |
| | Law | mr | 1 | 0 | 2 | 2 | 8 | 0 | 0 | 2 | 0 | 11.3 | 3.5 | 15.4 | 7.3 | 1.3 | 2.1 | 25.1 | .622 |
|   | Total |   | 70 | 24 | 41 | 73 | 72 | 11 | 12 | 45 | 0 | 9.5 | 3.8 | 13.7 | 8.0 | 1.3 | 2.1 |   | .606 |
| Analytical |
 | Name | P | OPS | WHIP | BIP | BABIP | TBW | /BF | TBWH | /BF | RC | RC27 | RCERA | CERA |
| | Curtiss | mr | .650 | 1.00 | 4 | .250 | 1 | .200 | 2 | .400 | 0.5 | 4.5 | 4.08 | 5.48 |
| n | O'Day | mr | .529 | 0.97 | 173 | .237 | 101 | .330 | 104 | .340 | 18.8 | 2.1 | 1.96 | 2.05 |
| | Merritt* | sp | .801 | 1.57 | 82 | .378 | 41 | .427 | 43 | .448 | 11.1 | 4.4 | 4.04 | 5.34 |
| n | Davis,W | cl | .695 | 1.35 | 125 | .304 | 95 | .434 | 97 | .443 | 22.9 | 4.0 | 3.64 | 3.58 |
| | Bradford | mr | .771 | 1.59 | 58 | .328 | 36 | .462 | 37 | .474 | 10.1 | 5.3 | 4.82 | 4.01 |
| n | Hudson | mr | .692 | 1.42 | 108 | .250 | 80 | .430 | 83 | .446 | 19.1 | 3.9 | 3.59 | 4.18 |
| f | Stanek | mr | .721 | 1.27 | 30 | .433 | 27 | .422 | 28 | .438 | 7.9 | 4.9 | 4.28 | 4.02 |
| f | Lynn | sp | .786 | 1.43 | 531 | .282 | 396 | .494 | 405 | .505 | 103.3 | 5.0 | 4.51 | 4.97 |
| n | Greinke | sp | .732 | 1.29 | 281 | .345 | 207 | .459 | 207 | .459 | 54.4 | 4.6 | 4.11 | 3.80 |
| | Heller | mr | .700 | 2.00 | 24 | .208 | 19 | .475 | 19 | .475 | 4.4 | 4.8 | 4.50 | 5.82 |
| f | Bridwell | sp | .753 | 1.28 | 451 | .264 | 282 | .460 | 294 | .480 | 76.5 | 4.7 | 4.44 | 4.60 |
| f | Jennings* | mr | .773 | 1.56 | 231 | .320 | 148 | .457 | 152 | .469 | 42.7 | 5.3 | 4.80 | 5.27 |
| | Barbato | mr | .768 | 1.47 | 84 | .298 | 66 | .478 | 69 | .500 | 18.8 | 5.5 | 5.09 | 4.36 |
| f | Johnson,J | cl | .788 | 1.60 | 176 | .307 | 135 | .495 | 136 | .498 | 37.9 | 5.6 | 5.17 | 5.36 |
| | Rodriguez,E* | sp | .783 | 1.44 | 436 | .326 | 329 | .487 | 338 | .501 | 93.8 | 5.6 | 5.02 | 4.54 |
| | Bettis | sp | .825 | 1.64 | 100 | .270 | 70 | .515 | 72 | .529 | 20.7 | 6.3 | 5.72 | 5.92 |
| | Martes | mr | .673 | 1.25 | 116 | .293 | 81 | .429 | 81 | .429 | 20.2 | 4.0 | 3.72 | 3.29 |
| | Vargas,J* | sp | .874 | 1.59 | 472 | .322 | 381 | .548 | 386 | .555 | 111.4 | 6.4 | 5.84 | 6.14 |
| | Jackson,L | mr | .807 | 1.64 | 144 | .361 | 84 | .462 | 87 | .478 | 27.1 | 6.3 | 5.45 | 5.37 |
| | Conley* | sp | .883 | 1.76 | 323 | .337 | 249 | .534 | 256 | .549 | 75.1 | 6.7 | 6.11 | 6.85 |
| f | Rondon,B | mr | .962 | 2.39 | 56 | .500 | 53 | .558 | 54 | .568 | 18.4 | 9.2 | 8.28 | 9.06 |
| | Grimm | mr | .946 | 1.87 | 162 | .346 | 158 | .594 | 160 | .602 | 48.6 | 7.7 | 6.95 | 8.02 |
| | Law | mr | .879 | 1.65 | 105 | .352 | 81 | .533 | 83 | .546 | 25.4 | 6.9 | 6.18 | 6.16 |
|   | Total |   | .785 | 1.48 | 4272 | .312 | 3120 | .484 | 3193 | .495 | 862.6 | 5.3 | 4.80 | 4.96 |
| Start |
 | Name | P | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% |
| | Curtiss | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 |
| n | O'Day | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 7 | .700 |
| | Merritt* | sp | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 |
| n | Davis,W | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 3 | .333 |
| | Bradford | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 |
| n | Hudson | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 3 | .300 |
| f | Stanek | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 |
| f | Lynn | sp | 33 | 1 | .030 | 0 | 16 | .485 | 104 | 3.2 | 26 | 7 | .269 |
| n | Greinke | sp | 17 | 1 | .059 | 0 | 8 | .471 | 79 | 4.6 | 8 | 1 | .125 |
| | Heller | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 |
| f | Bridwell | sp | 24 | 1 | .042 | 0 | 13 | .542 | 76 | 3.2 | 15 | 7 | .467 |
| f | Jennings* | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 24 | 8 | .333 |
| | Barbato | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 2 | .167 |
| f | Johnson,J | cl | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 1 | .059 |
| | Rodriguez,E* | sp | 28 | 0 | .000 | 0 | 9 | .321 | 103 | 3.7 | 20 | 5 | .250 |
| | Bettis | sp | 6 | 0 | .000 | 0 | 2 | .333 | 22 | 3.7 | 6 | 3 | .500 |
| | Martes | mr | 6 | 0 | .000 | 0 | 0 | .000 | 22 | 3.7 | 6 | 3 | .500 |
| | Vargas,J* | sp | 28 | 0 | .000 | 0 | 9 | .321 | 89 | 3.2 | 18 | 7 | .389 |
| | Jackson,L | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 7 | .438 |
| | Conley* | sp | 20 | 0 | .000 | 0 | 6 | .300 | 85 | 4.3 | 22 | 10 | .455 |
| f | Rondon,B | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 4 | .400 |
| | Grimm | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 11 | .500 |
| | Law | mr | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 11 | .688 |
|   | Total |   | 162 | 3 | .019 | 5 | 63 | .389 | 580 | 3.6 | 281 | 103 | .367 |
| Relief |
 | Name | P | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF |
| | Curtiss | mr | 1 | 1 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 |
| n | O'Day | mr | 5 | 1 | .200 | 4 | .800 | 8 | 31 | 7 | .226 | 50 | 50 | 11 |
| | Merritt* | sp | 3 | 3 | 1.000 | 0 | .000 | 2 | 12 | 4 | .333 | 15 | 15 | 8 |
| n | Davis,W | cl | 19 | 14 | .737 | 5 | .263 | 1 | 30 | 15 | .500 | 41 | 41 | 32 |
| | Bradford | mr | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 5 | .625 | 14 | 14 | 2 |
| n | Hudson | mr | 1 | 0 | .000 | 1 | 1.000 | 8 | 20 | 8 | .400 | 29 | 29 | 6 |
| f | Stanek | mr | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 3 | .500 | 13 | 13 | 6 |
| f | Lynn | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 |
| n | Greinke | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 |
| | Heller | mr | 2 | 2 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 6 | 4 |
| f | Bridwell | sp | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 25 | 1 | 1 |
| f | Jennings* | mr | 5 | 1 | .200 | 2 | .400 | 5 | 28 | 13 | .464 | 51 | 51 | 21 |
| | Barbato | mr | 2 | 0 | .000 | 1 | .500 | 0 | 19 | 9 | .474 | 21 | 21 | 3 |
| f | Johnson,J | cl | 10 | 6 | .600 | 4 | .400 | 2 | 32 | 10 | .313 | 46 | 46 | 22 |
| | Rodriguez,E* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 |
| | Bettis | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 |
| | Martes | mr | 1 | 0 | .000 | 1 | 1.000 | 0 | 5 | 1 | .200 | 12 | 6 | 4 |
| | Vargas,J* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 |
| | Jackson,L | mr | 2 | 2 | 1.000 | 0 | .000 | 4 | 19 | 4 | .211 | 33 | 33 | 14 |
| | Conley* | sp | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 1 | 0 |
| f | Rondon,B | mr | 1 | 1 | 1.000 | 0 | .000 | 3 | 15 | 5 | .333 | 21 | 21 | 7 |
| | Grimm | mr | 1 | 0 | .000 | 1 | 1.000 | 7 | 35 | 12 | .343 | 36 | 36 | 9 |
| | Law | mr | 1 | 0 | .000 | 1 | 1.000 | 4 | 20 | 7 | .350 | 23 | 23 | 8 |
|   | Total |   | 54 | 31 | .574 | 20 | .370 | 45 | 281 | 103 | .367 | 162 | 408 | 159 |