| NAME | R | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | 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 |  | L. Castillo | 26 | 2022 |  SEA | 11 | 4 | 2 | .667 | 11 | 3.17 | 77 | 0 | 0 | 0 | 65.1 | 55 | 23 | 6 | 17 | 4 | 0 | 0 | 266 | 0 | 10.61 | 2.34 | 4.53 | 0.83 | 28.9 | 6.4 | 1.10 | .302 | 3.58 | 85 | 2.91 | 76 | 7.58 | 6.7 |
| 2 | | L. Castillo | 81 | 2023 | SEA | 33 | 13 | 9 | .591 | 33 | 3.34 | 219 | 0 | 0 | 0 | 197.0 | 160 | 73 | 28 | 56 | 5 | 0 | 0 | 802 | 3 | 10.01 | 2.56 | 3.91 | 1.28 | 27.3 | 7.0 | 1.10 | .267 | 3.70 | 83 | 3.80 | 93 | 7.31 | 6.6 |
| 3 | | L. Castillo | 73 | 2024 | SEA | 30 | 11 | 12 | .478 | 30 | 3.64 | 175 | 0 | 0 | 0 | 175.1 | 158 | 71 | 25 | 47 | 5 | 0 | 2 | 719 | 0 | 8.98 | 2.41 | 3.72 | 1.28 | 24.3 | 6.5 | 1.17 | .285 | 3.75 | 97 | 3.91 | 100 | 8.11 | 0 |
| 4 | | L. Castillo | 23 | 2025 | SEA | 12 | 4 | 3 | .571 | 12 | 3.03 | 55 | 0 | 0 | 0 | 68.1 | 64 | 23 | 4 | 23 | 1 | 0 | 0 | 288 | 0 | 7.24 | 3.03 | 2.39 | 0.53 | 19.1 | 8.0 | 1.27 | .293 | 3.03 | 81 | 3.27 | 84 | 8.43 | 4.8 |
| Total | 203 | 86 | 32 | 26 | .552 | 86 | 3.38 | 526 | 0 | 0 | 0 | 506.0 | 437 | 190 | 63 | 143 | 15 | 0 | 2 | 2,075 | 3 | 9.36 | 2.54 | 3.68 | 1.12 | 25.3 | 6.9 | 1.15 | .282 | 3.61 | 88 | 3.65 | 92 | 7.77 | 18.2 |
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