| 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 | 25 | 5.14 | 1.61 | 28 | 20 | 13 | 3 | 7.1 | 4.6 | 1.1 | -0.2 |
| 2013 | STL | 23 | 66 | 5.04 | 1.59 | 72 | 53 | 33 | 7 | 7.2 | 4.5 | 1.0 | -0.4 |
| 2014 | STL | 24 | 64 | 5.09 | 1.57 | 71 | 52 | 30 | 7 | 7.3 | 4.2 | 1.0 | -0.4 |
| 2015 | STL | 25 | 56 | 5.02 | 1.57 | 62 | 46 | 26 | 6 | 7.4 | 4.2 | 1.0 | -0.3 |
| 2016 | STL | 26 | 61 | 4.98 | 1.55 | 68 | 50 | 27 | 6 | 7.3 | 4.0 | 0.9 | -0.3 |
| 2017 | STL | 27 | 61 | 4.95 | 1.53 | 67 | 50 | 26 | 6 | 7.4 | 3.9 | 0.9 | -0.3 |
| 2018 | STL | 28 | 60 | 4.95 | 1.54 | 67 | 50 | 25 | 6 | 7.5 | 3.8 | 0.9 | -0.3 |
| 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 | wil | Coll-C | 12 | 4 | 0 | 0 | 2 | 2 | 0 | 10.43 | 2.01 | 29 | 44 | 15 | 15 | 7 | 4.6 | 4.6 | 2.2 | -1.6 | ||
| 2009 | 19 | BOU | Coll-A | 15 | 0 | 0 | 0 | 4 | 1 | 1 | 1.33 | 0.89 | 27 | 14 | 38 | 10 | 1 | 12.7 | 3.3 | 0.3 | 1.2 | ||
| 2009 | 19 | wil | Coll-C | 24 | 0 | 0 | 0 | 3 | 3 | 3 | 4.20 | 1.70 | 41 | 43 | 44 | 26 | 3 | 9.7 | 5.7 | 0.7 | 0.6 | ||
| 2010 | 20 | BOU | Coll-A | 15 | 0 | 0 | 0 | 1 | 1 | 0 | 3.32 | 1.21 | 19 | 14 | 24 | 9 | 2 | 11.4 | 4.3 | 0.9 | 0.4 | ||
| 2010 | 20 | wil | Coll-C | 14 | 10 | 0 | 0 | 5 | 3 | 0 | 5.34 | 1.73 | 62 | 72 | 64 | 36 | 3 | 9.2 | 5.2 | 0.4 | 0.1 | ||
| 2011 | 21 | wil | Coll-C | 14 | 14 | 3 | 0 | 7 | 2 | 0 | 2.50 | 1.16 | 97 | 81 | 105 | 32 | 5 | 9.7 | 3.0 | 0.5 | 3.2 | ||
| 2011 | 21 | STL | JCY | APP | R+ | 23 | 0 | 0 | 8 | 3 | 0 | 5 | 1.72 | 1.05 | 31 | 27 | 38 | 6 | 0 | 10.9 | 1.7 | 0.0 | 1.3 |
| 2012 | 22 | STL | QCS | MID | A | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0.67 | 3 | 2 | 8 | 0 | 0 | 24.0 | 0.0 | 0.0 | 0.2 |
| 2012 | 22 | STL | PMB | FSL | A+ | 18 | 0 | 0 | 10 | 0 | 2 | 4 | 2.81 | 1.17 | 26 | 23 | 26 | 7 | 2 | 9.1 | 2.5 | 0.7 | 0.8 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 18 | Coll-C | 11.07 | 2.47 | 26.3 | 45 | 9 | 20 | 9 | 3.1 | 6.8 | 3.1 | -1.6 | ||
| 2009 | 19 | CS-A | 6.24 | 1.91 | 60.11 | 69 | 44 | 46 | 9 | 6.6 | 6.9 | 1.3 | -0.5 | ||
| 2010 | 20 | CS-A | 7.54 | 2.08 | 74.03 | 96 | 52 | 58 | 12 | 6.3 | 7.1 | 1.5 | -1.7 | ||
| 2011 | 21 | STL | NL | R+ | 4.88 | 1.51 | 117.23 | 128 | 86 | 49 | 13 | 6.6 | 3.8 | 1.0 | 0.6 |
| 2012 | 22 | STL | NL | A+ | 6.50 | 1.67 | 25.14 | 33 | 21 | 9 | 5 | 7.5 | 3.2 | 1.8 | -0.4 |