| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | San Diego Padres | 0 | 0 | 4 | 3.0 | 3.00 | 1.67 | 2 | 1 | 0 | 6.00 | 3.00 |
| 2021 | Washington Nationals |
| 1 |
| 3 |
| 27 |
| 21.2 |
| 4.15 |
| 1.94 |
| 21 |
| 14 |
| 4 |
| 8.72 |
| 5.82 |
| 2021 | 2 teams | 1 | 3 | 31 | 24.2 | 4.01 | 1.91 | 23 | 15 | 4 | 8.39 | 5.47 |
| 2022 | Washington Nationals | 1 | 1 | 24 | 24.2 | 2.92 | 1.14 | 15 | 9 | 2 | 5.47 | 3.28 |
| 2023 | Washington Nationals | 4 | 4 | 51 | 54.0 | 5.50 | 1.56 | 44 | 22 | 4 | 7.33 | 3.67 |
| 2025 | Washington Nationals | 1 | 1 | 14 | 10.2 | 11.81 | 2.63 | 11 | 12 | 1 | 9.28 | 10.13 |
| Career | — | 7 | 9 | 120 | 114.0 | 5.21 | 1.64 | 93 | 58 | 11 | 7.34 | 4.58 |
