| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | Seattle Mariners | 10 | 12 | 29 | 163.2 | 3.85 | 1.31 | 143 | 64 | 16 | 7.86 | 3.52 |
| 2015 |
| Seattle Mariners |
| 5 |
| 8 |
| 22 |
| 115.1 |
| 4.14 |
| 1.30 |
| 97 |
| 44 |
| 15 |
| 7.57 |
| 3.43 |
| 2016 | Boston Red Sox | 0 | 1 | 3 | 7.2 | 12.91 | 2.61 | 3 | 5 | 2 | 3.52 | 5.87 |
| 2017 | Boston Red Sox | 0 | 0 | 1 | 0.1 | 0.00 | 3.00 | 1 | 1 | 0 | 27.00 | 27.00 |
| 2018 | Seattle Mariners | 3 | 1 | 23 | 51.0 | 2.65 | 1.22 | 34 | 16 | 1 | 6.00 | 2.82 |
| 2019 | Seattle Mariners | 4 | 2 | 44 | 47.0 | 3.64 | 1.23 | 45 | 17 | 8 | 8.62 | 3.26 |
| 2019 | Washington Nationals | 0 | 0 | 4 | 3.0 | 9.00 | 2.00 | 2 | 1 | 2 | 6.00 | 3.00 |
| 2019 | 4 | 2 | 48 | 50.0 | 3.96 | 1.28 | 47 | 18 | 10 | 8.46 | 3.24 |
| 2022 | Seattle Mariners | 0 | 0 | 7 | 7.2 | 3.52 | 1.30 | 6 | 3 | 1 | 7.04 | 3.52 |
| Career | — | 22 | 24 | 133 | 395.2 | 3.96 | 1.32 | 331 | 151 | 45 | 7.53 | 3.43 |
