| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | Kansas City Royals | 0 | 0 | 4 | 6.0 | 4.50 | 1.33 | 3 | 3 | 0 | 4.50 | 4.50 |
| 2016 |
| Kansas City Royals |
| 0 |
| 0 |
| 17 |
| 19.0 |
| 3.32 |
| 1.63 |
| 16 |
| 7 |
| 1 |
| 7.58 |
| 3.32 |
| 2017 | Kansas City Royals | 5 | 4 | 58 | 69.0 | 2.48 | 1.30 | 59 | 28 | 3 | 7.70 | 3.65 |
| 2018 | Los Angeles Dodgers | 2 | 1 | 73 | 66.0 | 3.68 | 1.27 | 56 | 27 | 4 | 7.64 | 3.68 |
| 2019 | Los Angeles Dodgers | 3 | 2 | 28 | 17.1 | 3.63 | 1.38 | 9 | 7 | 2 | 4.67 | 3.63 |
| 2020 | Los Angeles Dodgers | 2 | 0 | 13 | 12.1 | 2.92 | 1.46 | 9 | 9 | 2 | 6.57 | 6.57 |
| 2021 | Los Angeles Dodgers | 0 | 2 | 18 | 15.1 | 2.93 | 1.24 | 8 | 4 | 2 | 4.70 | 2.35 |
| 2022 | San Francisco Giants | 0 | 0 | 17 | 17.1 | 1.04 | 0.75 | 10 | 1 | 1 | 5.19 | 0.52 |
| 2023 | San Francisco Giants | 7 | 3 | 55 | 48.1 | 4.66 | 1.37 | 31 | 11 | 2 | 5.77 | 2.05 |
| 2024 | Oakland Athletics | 1 | 3 | 45 | 38.2 | 2.56 | 1.19 | 31 | 15 | 3 | 7.22 | 3.49 |
| 2025 | Colorado Rockies | 1 | 1 | 19 | 16.1 | 6.06 | 1.65 | 6 | 7 | 4 | 3.31 | 3.86 |
| 2025 | San Francisco Giants | 0 | 0 | 2 | 1.1 | 6.75 | 3.75 | 2 | 2 | 1 | 13.50 | 13.50 |
| 2025 | 1 | 1 | 21 | 17.2 | 6.11 | 1.81 | 8 | 9 | 5 | 4.08 | 4.58 |
| Career | — | 21 | 16 | 349 | 327.0 | 3.36 | 1.32 | 240 | 121 | 25 | 6.61 | 3.33 |