| 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 | 144 | 4.91 | 1.46 | 162 | 106 | 49 | 19 | 6.6 | 3.1 | 1.2 | -0.5 |
| 2013 | STL | 25 | 122 | 4.90 | 1.46 | 138 | 91 | 40 | 16 | 6.7 | 3.0 | 1.2 | -0.4 |
| 2014 | STL | 26 | 128 | 5.01 | 1.47 | 147 | 97 | 41 | 17 | 6.8 | 2.9 | 1.2 | -0.6 |
| 2015 | STL | 27 | 129 | 5.00 | 1.47 | 150 | 100 | 40 | 17 | 7.0 | 2.8 | 1.2 | -0.6 |
| 2016 | STL | 28 | 127 | 5.01 | 1.47 | 148 | 99 | 39 | 16 | 7.0 | 2.8 | 1.1 | -0.6 |
| 2017 | STL | 29 | 128 | 5.03 | 1.47 | 150 | 100 | 38 | 16 | 7.0 | 2.7 | 1.1 | -0.7 |
| 2018 | STL | 30 | 128 | 5.08 | 1.47 | 151 | 101 | 37 | 16 | 7.1 | 2.6 | 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 | 20 | okl | Coll-A | 15 | 15 | 4 | 0 | 12 | 2 | 0 | 3.31 | 1.20 | 109 | 111 | 92 | 19 | 7 | 7.6 | 1.6 | 0.6 | 2.6 | ||
| 2009 | 21 | CHA | Coll-A | 7 | 7 | 1 | 0 | 2 | 4 | 0 | 1.80 | 0.96 | 45 | 35 | 44 | 8 | 1 | 8.8 | 1.6 | 0.2 | 1.8 | ||
| 2010 | 22 | okl | Coll-A | 14 | 11 | 2 | 0 | 3 | 6 | 0 | 6.06 | 1.42 | 85 | 102 | 80 | 18 | 10 | 8.5 | 1.9 | 1.1 | -0.6 | ||
| 2011 | 23 | STL | PMB | FSL | A+ | 34 | 13 | 2 | 4 | 9 | 4 | 1 | 4.50 | 1.30 | 94 | 93 | 79 | 29 | 8 | 7.6 | 2.8 | 0.8 | 1.0 |
| 2011 | 23 | PER | Fall | 7 | 7 | 0 | 0 | 3 | 2 | 0 | 4.85 | 1.18 | 30 | 28 | 28 | 7 | 4 | 8.5 | 2.1 | 1.2 | 0.2 | ||
| 2012 | 24 | STL | SPR | TEX | AA | 12 | 12 | 0 | 0 | 5 | 4 | 0 | 3.92 | 1.38 | 64 | 70 | 54 | 19 | 6 | 7.6 | 2.7 | 0.8 | 1.1 |
| 2012 | 24 | STL | MEM | PCL | AAA | 15 | 15 | 3 | 0 | 4 | 9 | 0 | 4.28 | 1.19 | 88 | 87 | 89 | 18 | 9 | 9.1 | 1.8 | 0.9 | 1.1 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 20 | Coll-A | 4.40 | 1.34 | 107.5 | 117 | 61 | 27 | 12 | 5.1 | 2.3 | 1.0 | 1.4 | ||
| 2009 | 21 | Coll-A | 5.06 | 1.51 | 137.81 | 162 | 75 | 46 | 13 | 4.9 | 3.0 | 0.8 | 0.7 | ||
| 2010 | 22 | Coll-A | 6.23 | 1.65 | 81.14 | 108 | 54 | 26 | 17 | 6.0 | 2.9 | 1.9 | -0.7 | ||
| 2011 | 23 | STL | NL | A+ | 6.16 | 1.59 | 111.96 | 132 | 81 | 46 | 22 | 6.5 | 3.7 | 1.8 | -1.0 |
| 2012 | 24 | STL | NL | AAA | 4.37 | 1.38 | 148.28 | 161 | 121 | 44 | 16 | 7.3 | 2.7 | 1.0 | 1.3 |