| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | ||||||||||||||||||||||||||
| Season Total 5-1 | 8 | 53.0 | 35 | 13 | 11 | 2 | 12 | 47 | 1.87 | 0.89 | 7.98 | 2.04 | — | 170 |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | AA | NW Arkansas | Kansas City Royals | 16 | 16 | 81.0 | 86 | 53 | 46 | 34 | 42 | 12 | 3 | 7 | 0 | 5.11 | 1.48 | 4.67 |
| 2010 | AA | NW Arkansas | Kansas City Royals | 27 | 12 | 99.0 | 91 | 39 | 37 | 32 | 113 | 7 | 14 | 3 | 0 | 3.36 | 1.24 | 10.27 |
| 2010 | AAA | Omaha | Kansas City Royals | 1 | 1 | 4.2 | 8 | 7 | 7 | 1 | 4 | 2 | 0 | 1 | 0 | 13.50 | 1.93 | 7.71 |
| 2011 | AAA | Omaha | Kansas City Royals | 16 | 3 | 35.0 | 23 | 14 | 13 | 11 | 33 | 5 | 3 | 2 | 0 | 3.34 | 0.97 | 8.49 |
| 2011 | MLB | Kansas City Royals | Kansas City Royals | 26 | 3 | 44.0 | 36 | 17 | 16 | 14 | 28 | 8 | 2 | 1 | 1 | 3.27 | 1.14 | 5.73 |
| 2012 | AAA | Omaha | Kansas City Royals | 7 | 6 | 33.0 | 24 | 4 | 4 | 8 | 25 | 2 | 4 | 0 | 0 | 1.09 | 0.97 | 6.82 |
| 2012 | MLB | Kansas City Royals | Kansas City Royals | 18 | 5 | 61.1 | 68 | 34 | 34 | 21 | 35 | 11 | 1 | 4 | 0 | 4.99 | 1.45 | 5.14 |
| 2013 | AAA | Omaha | Kansas City Royals | 31 | 14 | 95.1 | 92 | 39 | 37 | 39 | 99 | 7 | 4 | 6 | 0 | 3.49 | 1.37 | 9.35 |
| 2013 | MLB | Kansas City Royals | Kansas City Royals | 1 | 0 | 0.2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 1.50 | — |
| 2015 | AAA | Durham | Tampa Bay Rays | 26 | 19 | 102.2 | 122 | 70 | 61 | 33 | 72 | 12 | 5 | 9 | 0 | 5.35 | 1.51 | 6.31 |
| 2015 | MLB | Tampa Bay Rays | Tampa Bay Rays | 4 | 0 | 5.2 | 5 | 1 | 1 | 3 | 4 | 0 | 0 | 0 | 0 | 1.59 | 1.41 | 6.35 |
| 2011–2015 | MLB | Career (4 yrs) | 49 | 8 | 111.2 | 110 | 52 | 51 | 38 | 67 | 19 | 3 | 5 | 1 | 4.11 | 1.33 | 5.40 | |
| 2010–2015 | AAA | Career (5 yrs) | 81 | 43 | 270.2 | 269 | 134 | 122 | 92 | 233 | 28 | 16 | 18 | 0 | 4.06 | 1.33 | 7.75 | |
| 2009–2010 | AA | Career (2 yrs) | 43 | 28 | 180.0 | 177 | 92 | 83 | 66 | 155 | 19 | 17 | 10 | 0 | 4.15 | 1.35 | 7.75 |