| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2011 | MIN | 7 | 7 | 39.0 | 19 | 0.69231 | 5.07692 | 1.74359 |
| 2012 | MIN | 27 | 27 | 173.0 | 90 | 0.88439 | 3.53757 | 1.24277 |
| 2013 | MIN | 24 | 24 | 131.0 | 52 | 1.44275 | 5.42748 | 1.51908 |
| 2016 | TOR | 1 | 0 | 1.0 | 0 | 0.00000 | 27.00000 | 4.00000 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2008 | ATL (A) | 9 | 9 | 52.2 | 38 | 0.34177 | 3.07595 | 1.10127 |
| 2008 | ATL (A+) | 17 | 15 | 100.0 | 85 | 0.54000 | 2.79000 | 1.23000 |
| 2009 | ATL (AA) | 23 | 23 | 131.0 | 111 | 0.34351 | 3.50382 | 1.56489 |
| 2010 | ATL (AA) | 17 | 17 | 102.1 | 90 | 0.35179 | 3.51792 | 1.48534 |
| 2010 | ATL (AAA) | 10 | 10 | 56.1 | 33 | 0.31953 | 3.35503 | 1.20710 |
| 2011 | MIN (AAA) | 23 | 23 | 123.0 | 90 | 0.80488 | 5.56098 | 1.57724 |
| 2012 | MIN (AAA) | 6 | 6 | 34.2 | 26 | 0.25962 | 2.59615 | 1.21154 |
| 2013 | MIN (A+) | 1 | 1 | 5.0 | 3 | 1.80000 | 7.20000 | 1.20000 |
| 2013 | MIN (AAA) | 6 | 6 | 41.0 | 19 | 0.87805 | 2.41463 | 1.02439 |
| 2014 | MIN (AAA) | 17 | 15 | 80.0 | 47 | 1.12500 | 6.52500 | 1.63750 |
| 2014 | CIN (AAA) | 9 | 7 | 43.1 | 19 | 1.03846 | 6.64615 | 1.73077 |
| 2015 | TBR (AAA) | 28 | 25 | 150.1 | 91 | 0.77827 | 3.71175 | 1.37029 |
| 2016 | TOR (AAA) | 28 | 28 | 166.0 | 100 | 0.59639 | 4.50000 | 1.34337 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2011 | MIN (ST) | 5 | 0 | 6.0 | 2 | 0.00000 | 1.50000 | 2.00000 |
| 2012 | MIN (ST) | 3 | 0 | 3.0 | 1 | 0.00000 | 3.00000 | 1.66667 |
| 2014 | MIN (ST) | 6 | 3 | 17.0 | 13 | 1.05882 | 5.29412 | 1.76471 |
| 2016 | TOR (ST) | 4 | 0 | 4.0 | 1 | 0.00000 | 0.00000 | 0.25000 |