| NAME | SO | SEASON | TM | G | W | L | W% | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | T. Houck | 21 | 2020 |  BOS | 3 | 3 | 0 | 1.000 | 3 | 0.53 | 0 | 0 | 0 | 17.0 | 6 | 1 | 2 | 1 | 9 | 1 | 0 | 0 | 63 | 1 | 11.12 | 4.76 | 2.33 | 0.53 | 33.3 | 14.3 | 0.88 | .161 | 1.06 | 11 | 3.24 | 73 | 3.18 | 2.3 |
| 2 | | T. Houck | 87 | 2021 | BOS | 18 | 1 | 5 | .167 | 13 | 3.52 | 0 | 0 | 1 | 69.0 | 57 | 27 | 32 | 4 | 21 | 6 | 2 | 1 | 285 | 3 | 11.35 | 2.74 | 4.14 | 0.52 | 30.5 | 7.4 | 1.13 | .317 | 4.17 | 77 | 2.57 | 59 | 7.43 | 13.3 |
| 3 | | T. Houck | 56 | 2022 | BOS | 32 | 5 | 4 | .556 | 4 | 3.15 | 0 | 0 | 8 | 60.0 | 49 | 21 | 22 | 3 | 22 | 6 | 14 | 3 | 247 | 3 | 8.40 | 3.30 | 2.55 | 0.45 | 22.7 | 8.9 | 1.18 | .288 | 3.30 | 77 | 3.29 | 83 | 7.35 | 4.6 |
| 4 | | T. Houck | 99 | 2023 | BOS | 21 | 6 | 10 | .375 | 21 | 5.01 | 0 | 0 | 0 | 106.0 | 104 | 59 | 61 | 14 | 41 | 6 | 0 | 0 | 463 | 1 | 8.41 | 3.48 | 2.41 | 1.19 | 21.4 | 8.9 | 1.37 | .297 | 5.18 | 110 | 4.43 | 102 | 8.83 | -1.2 |
| 5 | | T. Houck | 154 | 2024 | BOS | 30 | 9 | 10 | .474 | 30 | 3.12 | 1 | 1 | 0 | 178.2 | 156 | 62 | 75 | 11 | 48 | 16 | 0 | 1 | 743 | 2 | 7.76 | 2.42 | 3.21 | 0.55 | 20.7 | 6.5 | 1.14 | .282 | 3.78 | 73 | 3.31 | 80 | 7.86 | 16.1 |
| 6 | | T. Houck | 32 | 2025 | BOS | 9 | 0 | 3 | .000 | 9 | 8.04 | 0 | 0 | 0 | 43.2 | 57 | 39 | 41 | 10 | 17 | 5 | 0 | 0 | 203 | 2 | 6.60 | 3.50 | 1.88 | 2.06 | 15.8 | 8.4 | 1.69 | .338 | 8.45 | 193 | 6.09 | 149 | 11.75 | -9.6 |
| Total | 449 | 113 | 24 | 32 | .429 | 80 | 3.97 | 1 | 1 | 9 | 474.1 | 429 | 209 | 233 | 43 | 158 | 40 | 16 | 5 | 2,004 | 12 | 8.52 | 3.00 | 2.84 | 0.82 | 22.4 | 7.9 | 1.24 | .294 | 4.42 | 91 | 3.70 | 89 | 8.14 | 25.5 |
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