| 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 | 24 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rest of Year | 24 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Full Year | 24 | 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 | 24 | 60 | 4.92 | 1.54 | 64 | 35 | 28 | 5 | 5.3 | 4.2 | 0.8 | -0.2 |
| 2013 | STL | 25 | 103 | 4.87 | 1.54 | 112 | 62 | 47 | 8 | 5.4 | 4.1 | 0.7 | -0.3 |
| 2014 | STL | 26 | 98 | 4.92 | 1.55 | 108 | 59 | 43 | 8 | 5.4 | 4.0 | 0.7 | -0.4 |
| 2015 | STL | 27 | 91 | 4.91 | 1.54 | 102 | 55 | 38 | 7 | 5.4 | 3.8 | 0.7 | -0.3 |
| 2016 | STL | 28 | 96 | 4.92 | 1.53 | 108 | 58 | 39 | 7 | 5.4 | 3.7 | 0.7 | -0.4 |
| 2017 | STL | 29 | 95 | 4.95 | 1.54 | 108 | 58 | 38 | 7 | 5.5 | 3.6 | 0.7 | -0.4 |
| 2018 | STL | 30 | 94 | 4.99 | 1.54 | 108 | 57 | 37 | 7 | 5.5 | 3.5 | 0.7 | -0.4 |
| 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 | 20 | STL | CDS | GCL | R | 9 | 3 | 0 | 1 | 2 | 2 | 0 | 1.74 | 1.06 | 31 | 27 | 19 | 6 | 1 | 5.5 | 1.7 | 0.3 | 1.3 |
| 2008 | 20 | STL | JCY | APP | R+ | 2 | 1 | 0 | 1 | 0 | 1 | 1 | 2.57 | 1.14 | 7 | 5 | 6 | 3 | 0 | 7.7 | 3.9 | 0.0 | 0.2 |
| 2009 | 21 | STL | BAT | NYP | A- | 8 | 5 | 0 | 0 | 4 | 0 | 0 | 2.15 | 0.77 | 38 | 23 | 14 | 6 | 0 | 3.3 | 1.4 | 0.0 | 1.4 |
| 2009 | 21 | STL | QCS | MID | A | 7 | 6 | 0 | 1 | 0 | 5 | 0 | 5.24 | 1.55 | 34 | 42 | 11 | 11 | 2 | 2.9 | 2.9 | 0.5 | 0.1 |
| 2010 | 22 | STL | QCS | MID | A | 28 | 28 | 0 | 0 | 7 | 15 | 0 | 5.26 | 1.57 | 140 | 161 | 100 | 59 | 13 | 6.4 | 3.8 | 0.8 | 0.3 |
| 2011 | 23 | STL | PMB | FSL | A+ | 26 | 26 | 3 | 0 | 7 | 13 | 0 | 3.67 | 1.38 | 145 | 150 | 116 | 50 | 7 | 7.2 | 3.1 | 0.4 | 2.8 |
| 2012 | 24 | STL | SPR | TEX | AA | 57 | 0 | 0 | 17 | 3 | 3 | 5 | 2.39 | 1.06 | 68 | 55 | 41 | 17 | 1 | 5.5 | 2.3 | 0.1 | 2.3 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 20 | STL | NL | R+ | 4.18 | 1.37 | 37.28 | 37 | 14 | 14 | 3 | 3.4 | 3.4 | 0.7 | 0.6 |
| 2009 | 21 | STL | NL | A | 4.23 | 1.29 | 68.87 | 67 | 16 | 22 | 3 | 2.1 | 2.9 | 0.4 | 1.0 |
| 2010 | 22 | STL | NL | A | 7.09 | 1.86 | 132.48 | 171 | 68 | 75 | 19 | 4.6 | 5.1 | 1.3 | -2.4 |
| 2011 | 23 | STL | NL | A+ | 5.80 | 1.66 | 136.48 | 160 | 88 | 66 | 13 | 5.8 | 4.4 | 0.9 | -0.7 |
| 2012 | 24 | STL | NL | AA | 2.94 | 1.19 | 67.12 | 59 | 29 | 21 | 1 | 3.9 | 2.8 | 0.1 | 1.7 |