Regular season · Batting
| 2016 | BOS | 25 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | .000 | .000 | .000 |
| 2015 | BOS | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 |
| Career | TOTAL | 41 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | .000 | .000 | .000 |
Regular season · Pitching
| 2019 | BOS | 6 | 0 | 1 | 0 | 6.1 | 11 | 6 | 4 | 5 | 8.53 | 2.37 |
| 2018 | BOS | 20 | 3 | 1 | 1 | 53.2 | 41 | 16 | 26 | 42 | 2.68 | 1.25 |
| 2017 | BOS | 5 | 1 | 3 | 0 | 24.0 | 40 | 22 | 5 | 13 | 8.25 | 1.88 |
| 2016 | BOS | 24 | 13 | 6 | 0 | 156.2 | 138 | 58 | 57 | 127 | 3.33 | 1.24 |
| 2015 | BOS | 16 | 5 | 4 | 0 | 72.2 | 67 | 33 | 27 | 52 | 4.09 | 1.29 |
| 2014 | BOS | 6 | 0 | 1 | 0 | 21.0 | 21 | 6 | 4 | 22 | 2.57 | 1.19 |
| 2013 | BOS | 4 | 2 | 0 | 0 | 13.1 | 12 | 8 | 9 | 10 | 5.40 | 1.57 |
| Career | TOTAL | 81 | 24 | 16 | 1 | 347.2 | 330 | 149 | 132 | 271 | 3.86 | 1.33 |