| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | Los Angeles Angels | 4 | 2 | 48 | 47.2 | 3.02 | 1.24 | 27 | 16 | 2 | 5.10 | 3.02 |
| 2016 | Washington Nationals |
| 0 |
| 0 |
| 9 |
| 6.0 |
| 1.50 |
| 1.50 |
| 6 |
| 3 |
| 0 |
| 9.00 |
| 4.50 |
| 2017 | Washington Nationals | 1 | 0 | 4 | 3.0 | 30.00 | 4.67 | 3 | 3 | 1 | 9.00 | 9.00 |
| 2018 | Washington Nationals | 0 | 2 | 20 | 19.0 | 5.68 | 1.53 | 15 | 10 | 4 | 7.11 | 4.74 |
| 2019 | San Francisco Giants | 7 | 0 | 50 | 52.2 | 4.44 | 1.10 | 57 | 17 | 4 | 9.74 | 2.91 |
| 2020 | San Francisco Giants | 1 | 2 | 15 | 11.2 | 10.03 | 1.80 | 8 | 8 | 7 | 6.17 | 6.17 |
| 2022 | Milwaukee Brewers | 3 | 4 | 45 | 45.2 | 4.14 | 1.03 | 44 | 12 | 8 | 8.67 | 2.36 |
| 2023 | Seattle Mariners | 0 | 3 | 30 | 29.0 | 4.03 | 1.41 | 32 | 8 | 2 | 9.93 | 2.48 |
| 2023 | New York Mets | 0 | 2 | 34 | 29.0 | 4.34 | 1.41 | 30 | 11 | 2 | 9.31 | 3.41 |
| 2023 | 2 teams | 0 | 5 | 64 | 58.0 | 4.19 | 1.41 | 62 | 19 | 4 | 9.62 | 2.95 |
| Career | — | 16 | 15 | 255 | 243.2 | 4.65 | 1.31 | 222 | 88 | 30 | 8.20 | 3.25 |
