| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | Chicago Cubs | 1 | 1 | 4 | 12.1 | 7.30 | 1.78 | 13 | 9 | 4 | 9.49 | 6.57 |
| 2020 | Chicago Cubs |
| 1 |
| 1 |
| 6 |
| 21.1 |
| 2.95 |
| 1.17 |
| 29 |
| 13 |
| 1 |
| 12.23 |
| 5.48 |
| 2021 | Chicago Cubs | 5 | 13 | 29 | 125.2 | 4.58 | 1.16 | 128 | 34 | 25 | 9.17 | 2.44 |
| 2022 | Chicago Cubs | 2 | 1 | 6 | 13.1 | 3.38 | 0.83 | 19 | 2 | 1 | 12.83 | 1.35 |
| 2023 | Chicago Cubs | 2 | 5 | 58 | 64.0 | 2.67 | 1.02 | 67 | 13 | 5 | 9.42 | 1.83 |
| 2024 | Chicago Cubs | 1 | 4 | 18 | 17.1 | 4.67 | 1.44 | 13 | 6 | 6 | 6.75 | 3.12 |
| Career | — | 12 | 25 | 121 | 254.0 | 4.04 | 1.16 | 269 | 77 | 42 | 9.53 | 2.73 |
