| 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 | 22 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rest of Year | 22 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Full Year | 22 | 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 | 22 | 58 | 4.65 | 1.53 | 56 | 47 | 32 | 5 | 7.4 | 5.0 | 0.8 | -0.1 |
| 2013 | STL | 23 | 66 | 4.57 | 1.51 | 64 | 55 | 36 | 6 | 7.5 | 4.9 | 0.8 | 0.0 |
| 2014 | STL | 24 | 61 | 4.51 | 1.50 | 60 | 51 | 32 | 5 | 7.5 | 4.7 | 0.7 | 0.1 |
| 2015 | STL | 25 | 63 | 4.45 | 1.47 | 61 | 52 | 31 | 5 | 7.5 | 4.5 | 0.7 | 0.1 |
| 2016 | STL | 26 | 64 | 4.40 | 1.45 | 62 | 53 | 30 | 5 | 7.5 | 4.2 | 0.7 | 0.1 |
| 2017 | STL | 27 | 63 | 4.37 | 1.44 | 62 | 52 | 29 | 5 | 7.4 | 4.1 | 0.7 | 0.2 |
| 2018 | STL | 28 | 63 | 4.36 | 1.44 | 63 | 53 | 28 | 5 | 7.5 | 4.0 | 0.7 | 0.2 |
| 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 | 18 | vir | Coll-A | 23 | 6 | 1 | 0 | 4 | 0 | 1 | 4.16 | 1.36 | 63 | 56 | 57 | 29 | 6 | 8.2 | 4.2 | 0.9 | 0.9 | ||
| 2009 | 19 | HAR | Coll-A | 11 | 4 | 0 | 0 | 3 | 2 | 0 | 4.32 | 1.32 | 25 | 23 | 19 | 10 | 1 | 6.8 | 3.6 | 0.4 | 0.3 | ||
| 2010 | 20 | vir | Coll-A | 16 | 16 | 2 | 0 | 8 | 5 | 0 | 3.95 | 1.24 | 98 | 89 | 100 | 33 | 9 | 9.2 | 3.0 | 0.8 | 1.6 | ||
| 2010 | 20 | STL | BAT | NYP | A- | 5 | 0 | 0 | 1 | 0 | 0 | 1 | 0.00 | 0.65 | 8 | 3 | 10 | 2 | 0 | 11.7 | 2.3 | 0.0 | 0.5 |
| 2011 | 21 | STL | QCS | MID | A | 17 | 0 | 0 | 10 | 5 | 1 | 4 | 1.26 | 0.81 | 36 | 20 | 54 | 9 | 1 | 13.6 | 2.3 | 0.3 | 1.7 |
| 2011 | 21 | STL | CDS | GCL | R | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.1 |
| 2011 | 21 | STL | PMB | FSL | A+ | 14 | 0 | 0 | 5 | 0 | 0 | 1 | 0.57 | 1.02 | 16 | 7 | 16 | 9 | 1 | 9.2 | 5.2 | 0.6 | 0.9 |
| 2011 | 21 | PER | Fall | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 11.42 | 2.99 | 9 | 12 | 6 | 14 | 2 | 6.2 | 14.5 | 2.1 | -0.6 | ||
| 2012 | 22 | STL | SPR | TEX | AA | 50 | 0 | 0 | 18 | 0 | 3 | 0 | 4.45 | 1.40 | 61 | 58 | 64 | 27 | 6 | 9.5 | 4.0 | 0.9 | 0.7 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 18 | Coll-A | 5.43 | 1.63 | 59.58 | 58 | 34 | 39 | 8 | 5.1 | 5.9 | 1.2 | 0.1 | ||
| 2009 | 19 | Coll-A | 5.58 | 1.57 | 86.73 | 100 | 46 | 36 | 17 | 4.8 | 3.7 | 1.8 | 0.0 | ||
| 2010 | 20 | STL | NL | A- | 4.48 | 1.41 | 102.78 | 96 | 69 | 49 | 12 | 6.0 | 4.3 | 1.1 | 1.1 |
| 2011 | 21 | STL | NL | A+ | 4.29 | 1.50 | 56.0 | 46 | 47 | 38 | 6 | 7.6 | 6.1 | 1.0 | 0.6 |
| 2012 | 22 | STL | NL | AA | 5.69 | 1.71 | 56.74 | 66 | 44 | 31 | 7 | 7.0 | 4.9 | 1.1 | -0.3 |