| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2012 | TEX | 58 | 0 | 65.0 | 47 | 0.41538 | 2.21538 | 1.20000 |
| 2013 | TEX | 65 | 0 | 62.1 | 58 | 0.57754 | 3.03209 | 1.31551 |
| 2014 | TEX | 27 | 12 | 78.1 | 51 | 1.03404 | 6.20426 | 1.69787 |
| 2015 | BOS | 54 | 0 | 60.2 | 53 | 1.03846 | 3.85714 | 1.30220 |
| 2016 | BOS | 54 | 0 | 55.1 | 56 | 0.32530 | 3.25301 | 1.24699 |
| 2017 | BOS | 8 | 0 | 9.0 | 9 | 0.00000 | 7.00000 | 1.88889 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2009 | TEX (A-) | 15 | 15 | 74.1 | 76 | 0.60538 | 2.66368 | 1.14350 |
| 2010 | TEX (A) | 16 | 16 | 94.0 | 62 | 0.19149 | 2.58511 | 1.15957 |
| 2010 | TEX (A+) | 11 | 11 | 52.0 | 49 | 0.69231 | 5.36538 | 1.61538 |
| 2011 | TEX (A+) | 21 | 20 | 123.1 | 98 | 0.07297 | 2.26216 | 1.05405 |
| 2011 | TEX (AA) | 6 | 6 | 38.0 | 36 | 1.18421 | 2.60526 | 1.00000 |
| 2014 | TEX (AAA) | 12 | 9 | 60.1 | 43 | 1.04420 | 4.32597 | 1.35912 |
| 2015 | BOS (AAA) | 4 | 0 | 7.0 | 6 | 0.00000 | 3.85714 | 1.28571 |
| 2017 | BOS (AAA) | 6 | 0 | 6.0 | 7 | 0.00000 | 1.50000 | 0.66667 |
| 2018 | CHW (A) | 1 | 0 | 2.0 | 2 | 0.00000 | 0.00000 | 1.00000 |
| 2018 | CHW (AAA) | 11 | 0 | 10.2 | 11 | 0.00000 | 10.96875 | 2.71875 |
| 2021 | DET (AAA) | 27 | 1 | 32.0 | 26 | 1.68750 | 7.03125 | 1.56250 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2012 | TEX (ST) | 9 | 1 | 12.0 | 11 | 0.75000 | 1.50000 | 1.00000 |
| 2013 | TEX (ST) | 9 | 3 | 19.1 | 14 | 0.93103 | 2.32759 | 1.44828 |
| 2014 | TEX (ST) | 6 | 3 | 22.0 | 13 | 0.81818 | 2.86364 | 1.22727 |
| 2015 | BOS (ST) | 8 | 0 | 8.1 | 8 | 0.00000 | 2.16000 | 1.08000 |
| 2016 | BOS (ST) | 10 | 0 | 11.1 | 14 | 0.00000 | 2.38235 | 1.41177 |
| 2017 | BOS (ST) | 11 | 0 | 10.0 | 9 | 0.00000 | 9.00000 | 2.20000 |
| 2018 | CHW (ST) | 6 | 0 | 6.2 | 8 | 0.00000 | 2.70000 | 0.90000 |
| 2021 | DET (ST) | 4 | 0 | 2.1 | 3 | 0.00000 | 0.00000 | 0.85714 |