Interpreted as:
best with a minimum of 0.5 IP per team game pitcher on redsox this regular season| NAME | ERA | SEASON | TM | G | W | L | W% | GS | SO | 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 |  | G. Crochet | 2.24 | 2025 |  BOS | 15 | 6 | 4 | .600 | 15 | 117 | 0 | 0 | 0 | 96.1 | 71 | 24 | 27 | 9 | 28 | 0 | 0 | 0 | 382 | 0 | 10.93 | 2.62 | 4.18 | 0.84 | 30.6 | 7.3 | 1.03 | .272 | 2.52 | 53 | 2.73 | 66 | 6.63 | 14.6 |
| 2 |  | S. Newcomb | 3.95 | 2025 | BOS | 12 | 0 | 4 | .000 | 5 | 41 | 0 | 0 | 0 | 41.0 | 55 | 18 | 24 | 3 | 17 | 2 | 5 | 0 | 190 | 2 | 9.00 | 3.73 | 2.41 | 0.66 | 21.6 | 8.9 | 1.76 | .409 | 5.27 | 93 | 3.41 | 83 | 12.07 | 3.1 |
| 3 | | B. Bello | 3.96 | 2025 | BOS | 10 | 2 | 1 | .667 | 10 | 37 | 0 | 0 | 0 | 52.1 | 56 | 23 | 26 | 5 | 25 | 4 | 0 | 0 | 234 | 0 | 6.36 | 4.30 | 1.48 | 0.86 | 15.8 | 10.7 | 1.55 | .313 | 4.47 | 93 | 4.56 | 111 | 9.63 | -2.6 |
| 4 | | H. Dobbins | 4.20 | 2025 | BOS | 10 | 3 | 1 | .750 | 8 | 37 | 0 | 0 | 0 | 49.1 | 53 | 23 | 24 | 6 | 10 | 2 | 0 | 1 | 207 | 0 | 6.75 | 1.82 | 3.70 | 1.09 | 17.9 | 4.8 | 1.28 | .309 | 4.38 | 99 | 3.88 | 95 | 9.67 | 1.2 |
| 5 |  | W. Buehler | 5.01 | 2025 | BOS | 11 | 5 | 4 | .556 | 11 | 51 | 0 | 0 | 0 | 55.2 | 59 | 31 | 33 | 11 | 18 | 6 | 0 | 0 | 244 | 0 | 8.25 | 2.91 | 2.83 | 1.78 | 20.9 | 7.4 | 1.38 | .304 | 5.34 | 118 | 5.10 | 124 | 9.54 | -6.1 |
| 6 | | L. Giolito | 5.45 | 2025 | BOS | 8 | 2 | 1 | .667 | 8 | 31 | 0 | 0 | 0 | 39.2 | 47 | 24 | 25 | 6 | 14 | 0 | 0 | 0 | 173 | 1 | 7.03 | 3.18 | 2.21 | 1.36 | 17.9 | 8.1 | 1.54 | .336 | 5.67 | 129 | 4.53 | 110 | 10.66 | -1.8 |
| 7 | | T. Houck | 8.04 | 2025 | BOS | 9 | 0 | 3 | .000 | 9 | 32 | 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 | 190 | 6.10 | 148 | 11.75 | -9.5 |
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