| 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 | 74 | 5.16 | 1.60 | 76 | 58 | 43 | 9 | 7.0 | 5.2 | 1.1 | -0.5 |
| 2013 | STL | 24 | 101 | 5.11 | 1.58 | 104 | 81 | 56 | 12 | 7.2 | 5.0 | 1.1 | -0.6 |
| 2014 | STL | 25 | 103 | 5.11 | 1.58 | 107 | 83 | 55 | 13 | 7.3 | 4.8 | 1.1 | -0.6 |
| 2015 | STL | 26 | 96 | 5.04 | 1.56 | 101 | 78 | 49 | 12 | 7.3 | 4.6 | 1.1 | -0.5 |
| 2016 | STL | 27 | 100 | 4.99 | 1.54 | 105 | 82 | 49 | 12 | 7.4 | 4.4 | 1.1 | -0.5 |
| 2017 | STL | 28 | 100 | 4.98 | 1.53 | 105 | 82 | 48 | 12 | 7.4 | 4.3 | 1.1 | -0.4 |
| 2018 | STL | 29 | 99 | 4.97 | 1.53 | 105 | 82 | 47 | 12 | 7.4 | 4.3 | 1.1 | -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 | 19 | STL | JCY | APP | R+ | 13 | 9 | 0 | 0 | 1 | 4 | 0 | 5.05 | 1.40 | 46 | 49 | 47 | 16 | 4 | 9.1 | 3.1 | 0.8 | 0.2 |
| 2009 | 20 | STL | BAT | NYP | A- | 15 | 12 | 0 | 1 | 4 | 9 | 0 | 4.50 | 1.52 | 64 | 73 | 62 | 24 | 3 | 8.7 | 3.4 | 0.4 | 0.7 |
| 2010 | 21 | STL | QCS | MID | A | 32 | 11 | 0 | 6 | 8 | 4 | 3 | 2.71 | 1.06 | 103 | 78 | 104 | 31 | 5 | 9.1 | 2.7 | 0.4 | 3.1 |
| 2010 | 21 | STL | PMB | FSL | A+ | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 12.46 | 3.26 | 4 | 9 | 2 | 5 | 0 | 4.2 | 10.5 | 0.0 | -0.3 |
| 2011 | 22 | STL | SPR | TEX | AA | 24 | 24 | 0 | 0 | 11 | 6 | 0 | 5.45 | 1.59 | 134 | 148 | 128 | 64 | 25 | 8.6 | 4.3 | 1.7 | 0.0 |
| 2011 | 22 | STL | MEM | PCL | AAA | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 3.75 | 1.42 | 12 | 8 | 6 | 9 | 1 | 4.5 | 6.8 | 0.8 | 0.2 |
| 2012 | 23 | STL | SPR | TEX | AA | 40 | 7 | 0 | 15 | 5 | 8 | 0 | 4.16 | 1.19 | 80 | 61 | 83 | 34 | 11 | 9.3 | 3.8 | 1.2 | 1.1 |
| 2012 | 23 | STL | MEM | PCL | AAA | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 10.80 | 2.42 | 3 | 6 | 1 | 2 | 1 | 2.7 | 5.5 | 2.7 | -0.2 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 19 | STL | NL | R+ | 6.61 | 1.78 | 43.32 | 55 | 27 | 22 | 6 | 5.6 | 4.6 | 1.2 | -0.5 |
| 2009 | 20 | STL | NL | A- | 8.37 | 2.08 | 55.71 | 83 | 38 | 33 | 6 | 6.1 | 5.3 | 1.0 | -1.8 |
| 2010 | 21 | STL | NL | A | 4.40 | 1.44 | 100.56 | 99 | 68 | 46 | 9 | 6.1 | 4.1 | 0.8 | 1.2 |
| 2011 | 22 | STL | NL | AAA | 6.50 | 1.81 | 135.9 | 156 | 109 | 90 | 23 | 7.2 | 6.0 | 1.5 | -1.8 |
| 2012 | 23 | STL | NL | AA | 4.28 | 1.42 | 80.08 | 72 | 62 | 42 | 12 | 7.0 | 4.7 | 1.3 | 0.8 |