| Period | Age | Org | IP | W | L | S | Hld | QS | ERA | WHIP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year to Date | 23 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rest of Year | 23 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Full Year | 23 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Year | Org | Age | IP | ERA | WHIP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | STL | 23 | 67 | 5.67 | 1.70 | 75 | 54 | 38 | 9 | 7.3 | 5.1 | 1.2 | -0.8 |
| 2013 | STL | 24 | 62 | 5.61 | 1.70 | 71 | 51 | 35 | 8 | 7.4 | 5.0 | 1.2 | -0.7 |
| 2014 | STL | 25 | 66 | 5.67 | 1.71 | 77 | 55 | 36 | 9 | 7.5 | 4.9 | 1.2 | -0.8 |
| 2015 | STL | 26 | 65 | 5.61 | 1.68 | 76 | 55 | 34 | 8 | 7.6 | 4.7 | 1.1 | -0.8 |
| 2016 | STL | 27 | 65 | 5.58 | 1.67 | 76 | 55 | 33 | 8 | 7.6 | 4.6 | 1.1 | -0.7 |
| 2017 | STL | 28 | 66 | 5.57 | 1.66 | 77 | 55 | 32 | 8 | 7.5 | 4.4 | 1.1 | -0.7 |
| 2018 | STL | 29 | 66 | 5.57 | 1.66 | 77 | 55 | 32 | 8 | 7.6 | 4.4 | 1.1 | -0.7 |
| Year | Age | Org | Tm | Lg | Class | G | GS | CG | GF | W | L | S | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 19 | CHA | BRI | APP | R+ | 12 | 5 | 0 | 4 | 4 | 1 | 1 | 7.28 | 1.64 | 38 | 49 | 34 | 14 | 3 | 8.0 | 3.3 | 0.7 | -0.8 |
| 2009 | 20 | CHA | KAN | SAL | A | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.00 | 2.00 | 3 | 6 | 3 | 0 | 0 | 9.0 | 0.0 | 0.0 | 0.1 |
| 2009 | 20 | CHA | BRI | APP | R+ | 7 | 4 | 0 | 1 | 0 | 1 | 0 | 5.82 | 1.84 | 22 | 25 | 27 | 15 | 4 | 11.2 | 6.2 | 1.7 | -0.1 |
| 2009 | 20 | HOU | GVL | APP | R+ | 9 | 0 | 0 | 4 | 1 | 2 | 0 | 3.77 | 1.08 | 29 | 23 | 30 | 8 | 3 | 9.4 | 2.5 | 0.9 | 0.5 |
| 2010 | 21 | HOU | TRC | NYP | A- | 18 | 4 | 0 | 1 | 1 | 3 | 0 | 6.30 | 1.58 | 40 | 42 | 56 | 21 | 5 | 12.6 | 4.7 | 1.1 | -0.4 |
| 2011 | 22 | HOU | LEX | SAL | A | 30 | 1 | 0 | 8 | 1 | 3 | 1 | 3.98 | 1.49 | 75 | 82 | 83 | 29 | 4 | 10.0 | 3.5 | 0.5 | 1.2 |
| 2011 | 22 | HOU | TRC | NYP | A- | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 10.13 | 2.22 | 3 | 6 | 3 | 0 | 0 | 10.0 | 0.0 | 0.0 | -0.1 |
| 2012 | 23 | HOU | LEX | SAL | A | 50 | 0 | 0 | 18 | 2 | 7 | 4 | 3.71 | 1.17 | 78 | 63 | 87 | 28 | 12 | 10.1 | 3.2 | 1.4 | 1.5 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 19 | CHA | AL | R+ | 10.21 | 2.23 | 33.12 | 55 | 18 | 19 | 6 | 4.9 | 5.2 | 1.6 | -1.7 |
| 2009 | 20 | HOU | NL | R+ | 8.91 | 2.09 | 45.03 | 63 | 32 | 31 | 12 | 6.4 | 6.2 | 2.4 | -1.7 |
| 2010 | 21 | HOU | NL | A- | 9.41 | 2.28 | 33.8 | 48 | 34 | 29 | 7 | 9.1 | 7.7 | 1.9 | -1.5 |
| 2011 | 22 | HOU | NL | A | 7.21 | 2.00 | 69.48 | 102 | 51 | 37 | 6 | 6.6 | 4.8 | 0.8 | -1.5 |
| 2012 | 23 | STL | NL | A | 6.06 | 1.61 | 70.08 | 76 | 52 | 37 | 17 | 6.7 | 4.8 | 2.2 | -0.7 |