| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | Boston Red Sox | 0 | 1 | 1 | 2.0 | 22.50 | 3.50 | 2 | 2 | 1 | 9.00 | 9.00 |
| 2022 |
| Boston Red Sox |
| 3 |
| 6 |
| 21 |
| 77.1 |
| 5.47 |
| 1.42 |
| 77 |
| 29 |
| 12 |
| 8.96 |
| 3.38 |
| 2023 | Boston Red Sox | 6 | 8 | 31 | 129.1 | 4.04 | 1.11 | 135 | 36 | 17 | 9.39 | 2.51 |
| 2024 | Boston Red Sox | 9 | 16 | 33 | 183.2 | 4.36 | 1.12 | 175 | 51 | 34 | 8.58 | 2.50 |
| Career | — | 18 | 31 | 86 | 392.1 | 4.56 | 1.19 | 389 | 118 | 64 | 8.92 | 2.71 |