| 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 | 148 | 5.21 | 1.59 | 167 | 94 | 69 | 16 | 5.7 | 4.2 | 1.0 | -1.0 |
| 2013 | STL | 24 | 139 | 5.16 | 1.58 | 157 | 90 | 62 | 15 | 5.8 | 4.0 | 1.0 | -0.9 |
| 2014 | STL | 25 | 145 | 5.26 | 1.60 | 168 | 95 | 63 | 15 | 5.9 | 3.9 | 0.9 | -1.1 |
| 2015 | STL | 26 | 144 | 5.22 | 1.58 | 168 | 95 | 60 | 15 | 5.9 | 3.8 | 0.9 | -1.0 |
| 2016 | STL | 27 | 143 | 5.21 | 1.58 | 169 | 96 | 58 | 15 | 6.0 | 3.6 | 0.9 | -1.0 |
| 2017 | STL | 28 | 144 | 5.23 | 1.58 | 171 | 97 | 57 | 15 | 6.1 | 3.6 | 0.9 | -1.0 |
| 2018 | STL | 29 | 144 | 5.26 | 1.58 | 172 | 97 | 55 | 15 | 6.1 | 3.4 | 0.9 | -1.1 |
| 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 | flo | Coll-A | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 2.70 | 1.95 | 13 | 15 | 14 | 11 | 0 | 9.5 | 7.4 | 0.0 | 0.4 | ||
| 2009 | 20 | flo | Coll-A | 28 | 3 | 0 | 0 | 5 | 3 | 0 | 5.12 | 1.65 | 39 | 43 | 24 | 21 | 4 | 5.6 | 4.9 | 0.9 | 0.1 | ||
| 2010 | 21 | flo | Coll-A | 21 | 13 | 0 | 0 | 7 | 3 | 0 | 5.30 | 1.56 | 71 | 83 | 64 | 28 | 5 | 8.1 | 3.5 | 0.6 | 0.1 | ||
| 2010 | 21 | STL | BAT | NYP | A- | 8 | 6 | 0 | 0 | 6 | 0 | 0 | 1.54 | 1.00 | 35 | 27 | 36 | 8 | 1 | 9.3 | 2.1 | 0.3 | 1.5 |
| 2011 | 22 | STL | PMB | FSL | A+ | 13 | 12 | 1 | 0 | 5 | 4 | 0 | 3.95 | 1.38 | 82 | 85 | 59 | 28 | 7 | 6.5 | 3.1 | 0.8 | 1.3 |
| 2011 | 22 | STL | SPR | TEX | AA | 14 | 14 | 2 | 0 | 4 | 4 | 0 | 4.08 | 1.42 | 79 | 80 | 54 | 33 | 9 | 6.1 | 3.7 | 1.0 | 1.2 |
| 2012 | 23 | STL | SPR | TEX | AA | 8 | 8 | 0 | 0 | 4 | 2 | 0 | 1.93 | 0.99 | 51 | 38 | 41 | 13 | 5 | 7.2 | 2.3 | 0.9 | 2.0 |
| 2012 | 23 | STL | MEM | PCL | AAA | 20 | 20 | 0 | 0 | 9 | 5 | 0 | 5.10 | 1.52 | 109 | 124 | 86 | 42 | 10 | 7.1 | 3.5 | 0.8 | 0.4 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 19 | Coll-A | 8.12 | 2.59 | 11.97 | 18 | 7 | 13 | 0 | 5.3 | 9.8 | 0.0 | -0.3 | ||
| 2009 | 20 | Coll-A | 8.09 | 2.03 | 68.96 | 95 | 29 | 45 | 18 | 3.8 | 5.9 | 2.3 | -2.0 | ||
| 2010 | 21 | STL | NL | A- | 5.96 | 1.78 | 96.28 | 124 | 60 | 47 | 10 | 5.6 | 4.4 | 0.9 | -0.5 |
| 2011 | 22 | STL | NL | AA | 5.78 | 1.66 | 150.93 | 172 | 90 | 78 | 22 | 5.4 | 4.7 | 1.3 | -0.8 |
| 2012 | 23 | STL | NL | AAA | 4.00 | 1.45 | 157.59 | 164 | 108 | 64 | 15 | 6.2 | 3.7 | 0.9 | 2.1 |