| 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 | 23 | 0 | 2 | 0 | 3 | 0 | 2.78 | 0.93 | 14 | 25 | 7 | 2 | 9.9 | 2.8 | 0.8 | 0.7 |
| Rest of Year | 22 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 4.04 | 0.00 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Full Year | 22 | STL | 23 | 0 | 2 | 0 | 3 | 0 | 2.78 | 0.93 | 14 | 25 | 7 | 2 | 9.9 | 2.8 | 0.8 | 0.7 |
| Year | Org | Age | IP | ERA | WHIP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | STL | 22 | 122 | 4.04 | 1.37 | 112 | 96 | 54 | 9 | 7.1 | 4.0 | 0.7 | 0.7 |
| 2013 | STL | 23 | 100 | 3.94 | 1.35 | 92 | 81 | 42 | 7 | 7.3 | 3.8 | 0.6 | 0.7 |
| 2014 | STL | 24 | 111 | 3.91 | 1.34 | 104 | 91 | 45 | 8 | 7.4 | 3.6 | 0.6 | 0.8 |
| 2015 | STL | 25 | 111 | 3.84 | 1.32 | 103 | 92 | 43 | 8 | 7.5 | 3.5 | 0.7 | 0.9 |
| 2016 | STL | 26 | 109 | 3.80 | 1.30 | 102 | 90 | 40 | 8 | 7.4 | 3.3 | 0.7 | 1.0 |
| 2017 | STL | 27 | 111 | 3.77 | 1.30 | 104 | 92 | 40 | 8 | 7.5 | 3.3 | 0.7 | 1.0 |
| 2018 | STL | 28 | 111 | 3.76 | 1.29 | 104 | 92 | 38 | 8 | 7.5 | 3.1 | 0.7 | 1.0 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 19 | STL | CDS | GCL | R | 14 | 0 | 0 | 2 | 4 | 1 | 0 | 4.87 | 1.46 | 24 | 25 | 26 | 10 | 0 | 9.8 | 3.8 | 0.0 | 0.2 |
| 2010 | 20 | STL | JCY | APP | R+ | 10 | 6 | 0 | 1 | 2 | 0 | 1 | 2.32 | 0.97 | 31 | 23 | 28 | 7 | 1 | 8.1 | 2.0 | 0.3 | 1.1 |
| 2011 | 21 | STL | QCS | MID | A | 22 | 22 | 1 | 0 | 7 | 7 | 0 | 4.11 | 1.25 | 120 | 111 | 133 | 39 | 7 | 10.0 | 2.9 | 0.5 | 1.8 |
| 2012 | 22 | STL | SPR | TEX | AA | 17 | 17 | 0 | 0 | 8 | 6 | 0 | 2.79 | 1.11 | 94 | 67 | 83 | 37 | 6 | 8.0 | 3.6 | 0.6 | 2.7 |
| 2012 | 22 | STL | STL | NL | MLB | 19 | 0 | 0 | 7 | 0 | 2 | 0 | 2.78 | 0.93 | 23 | 14 | 25 | 7 | 2 | 9.9 | 2.8 | 0.8 | 0.7 |
| 2012 | 22 | STL | MEM | PCL | AAA | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 4.20 | 1.07 | 15 | 11 | 21 | 5 | 1 | 12.6 | 3.0 | 0.6 | 0.2 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 19 | STL | NL | R | 6.77 | 1.97 | 23.35 | 30 | 14 | 16 | 0 | 5.4 | 6.2 | 0.0 | -0.3 |
| 2010 | 20 | STL | NL | R+ | 3.36 | 1.15 | 30.35 | 26 | 16 | 9 | 2 | 4.7 | 2.7 | 0.6 | 0.7 |
| 2011 | 21 | STL | NL | A | 5.15 | 1.55 | 112.56 | 125 | 91 | 50 | 11 | 7.3 | 4.0 | 0.9 | 0.2 |
| 2012 | 22 | STL | NL | MLB | 3.03 | 1.17 | 129.43 | 94 | 108 | 58 | 8 | 7.5 | 4.0 | 0.6 | 3.1 |