| TEAM | BB | SEASON | G | W% | W | L | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Red Sox | 580 | 2010 | 162 | .549 | 89 | 73 | 162 | 4.20 | 1,207 | 3 | 1 | 44 | 1456.2 | 1,402 | 679 | 744 | 152 | 53 | 30 | 6,267 | 58 | 7.46 | 3.58 | 2.08 | 0.94 | 19.3 | 9.3 | 1.36 | .292 | 4.60 | 8.66 | |
| 2 | Red Sox | 540 | 2011 | 162 | .556 | 90 | 72 | 162 | 4.20 | 1,213 | 2 | 1 | 36 | 1457.1 | 1,366 | 680 | 737 | 156 | 90 | 11 | 6,242 | 58 | 7.49 | 3.33 | 2.25 | 0.96 | 19.4 | 8.7 | 1.31 | .285 | 4.55 | 8.44 | |
| 3 | Red Sox | 529 | 2012 | 162 | .426 | 69 | 93 | 162 | 4.70 | 1,176 | 6 | 2 | 35 | 1443.0 | 1,449 | 754 | 806 | 190 | 66 | 33 | 6,209 | 42 | 7.33 | 3.30 | 2.22 | 1.19 | 18.9 | 8.5 | 1.37 | .296 | 5.03 | 9.04 | |
| 4 | Red Sox | 524 | 2013 | 162 | .599 | 97 | 65 | 162 | 3.79 | 1,294 | 5 | 2 | 33 | 1454.0 | 1,366 | 613 | 656 | 156 | 47 | 10 | 6,143 | 47 | 8.01 | 3.24 | 2.47 | 0.97 | 21.1 | 8.5 | 1.30 | .294 | 4.06 | 8.46 | |
| 5 | Red Sox | 482 | 2014 | 162 | .438 | 71 | 91 | 162 | 4.01 | 1,213 | 3 | 2 | 36 | 1465.2 | 1,458 | 653 | 715 | 154 | 47 | 19 | 6,231 | 51 | 7.45 | 2.96 | 2.52 | 0.95 | 19.5 | 7.7 | 1.32 | .301 | 4.39 | 8.95 | |
| 6 | Red Sox | 478 | 2015 | 162 | .481 | 78 | 84 | 162 | 4.31 | 1,218 | 3 | 1 | 40 | 1448.1 | 1,486 | 694 | 753 | 178 | 62 | 17 | 6,225 | 79 | 7.57 | 2.97 | 2.55 | 1.11 | 19.6 | 7.7 | 1.36 | .305 | 4.68 | 9.23 | |
| 7 | Red Sox | 490 | 2016 | 162 | .574 | 93 | 69 | 162 | 4.00 | 1,362 | 9 | 1 | 43 | 1439.2 | 1,342 | 640 | 694 | 176 | 65 | 16 | 6,073 | 52 | 8.51 | 3.06 | 2.78 | 1.10 | 22.4 | 8.1 | 1.27 | .293 | 4.34 | 8.39 | |
| 8 | Red Sox | 465 | 2017 | 162 | .574 | 93 | 69 | 162 | 3.70 | 1,580 | 5 | 1 | 39 | 1482.1 | 1,384 | 610 | 668 | 195 | 49 | 18 | 6,217 | 43 | 9.59 | 2.82 | 3.40 | 1.18 | 25.4 | 7.5 | 1.25 | .303 | 4.06 | 8.40 | |
| 9 | Red Sox | 512 | 2018 | 162 | .667 | 108 | 54 | 162 | 3.75 | 1,558 | 2 | 0 | 46 | 1458.2 | 1,305 | 608 | 647 | 176 | 84 | 8 | 6,166 | 51 | 9.61 | 3.16 | 3.04 | 1.09 | 25.3 | 8.3 | 1.25 | .294 | 3.99 | 8.05 | |
| 10 | Red Sox | 605 | 2019 | 162 | .519 | 84 | 78 | 162 | 4.70 | 1,633 | 1 | 1 | 33 | 1471.0 | 1,423 | 768 | 828 | 215 | 76 | 22 | 6,399 | 81 | 9.99 | 3.70 | 2.70 | 1.32 | 25.5 | 9.5 | 1.38 | .312 | 5.07 | 8.71 | |
| 11 | Red Sox | 252 | 2020 | 60 | .400 | 24 | 36 | 60 | 5.58 | 537 | 0 | 0 | 14 | 524.0 | 587 | 325 | 351 | 98 | 31 | 4 | 2,389 | 28 | 9.22 | 4.33 | 2.13 | 1.68 | 22.5 | 10.5 | 1.60 | .332 | 6.03 | 10.08 | |
| 12 | Red Sox | 546 | 2021 | 162 | .568 | 92 | 70 | 162 | 4.26 | 1,527 | 0 | 0 | 49 | 1419.0 | 1,409 | 671 | 749 | 176 | 79 | 31 | 6,147 | 63 | 9.68 | 3.46 | 2.80 | 1.12 | 24.8 | 8.9 | 1.38 | .323 | 4.75 | 8.94 | |
| 13 | Red Sox | 526 | 2022 | 162 | .481 | 78 | 84 | 162 | 4.53 | 1,346 | 5 | 2 | 39 | 1431.0 | 1,411 | 721 | 787 | 185 | 72 | 17 | 6,167 | 60 | 8.47 | 3.31 | 2.56 | 1.16 | 21.8 | 8.5 | 1.35 | .304 | 4.95 | 8.87 | |
| 14 | Red Sox | 497 | 2023 | 162 | .481 | 78 | 84 | 162 | 4.52 | 1,423 | 0 | 0 | 42 | 1430.0 | 1,416 | 718 | 776 | 208 | 83 | 21 | 6,168 | 49 | 8.96 | 3.13 | 2.86 | 1.31 | 23.1 | 8.1 | 1.34 | .305 | 4.88 | 8.91 | |
| 15 | Red Sox | 461 | 2024 | 162 | .500 | 81 | 81 | 162 | 4.04 | 1,353 | 1 | 1 | 40 | 1452.2 | 1,363 | 652 | 747 | 189 | 76 | 26 | 6,154 | 49 | 8.38 | 2.86 | 2.93 | 1.17 | 22.0 | 7.5 | 1.26 | .288 | 4.63 | 8.44 | |
| 16 | Red Sox | 530 | 2025 | 162 | .549 | 89 | 73 | 162 | 3.70 | 1,361 | 2 | 1 | 45 | 1448.1 | 1,333 | 596 | 676 | 164 | 73 | 17 | 6,150 | 53 | 8.46 | 3.29 | 2.57 | 1.02 | 22.1 | 8.6 | 1.29 | .291 | 4.20 | 8.28 | |
| Total | 8,017 | 2,490 | .528 | 1,314 | 1,176 | 2,490 | 4.19 | 21,001 | 47 | 16 | 614 | 22281.2 | 21,500 | 10,382 | 11,334 | 2,768 | 1,053 | 300 | 95,347 | 864 | 8.48 | 3.24 | 2.62 | 1.12 | 22.0 | 8.4 | 1.32 | .300 | 4.58 | 8.68 |