| 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 | 21 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rest of Year | 21 | STL | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Full Year | 21 | 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 | 21 | 141 | 4.77 | 1.41 | 165 | 65 | 34 | 18 | 4.2 | 2.2 | 1.2 | -0.3 |
| 2013 | STL | 22 | 130 | 4.65 | 1.39 | 151 | 62 | 30 | 16 | 4.3 | 2.1 | 1.1 | -0.1 |
| 2014 | STL | 23 | 140 | 4.58 | 1.38 | 162 | 68 | 31 | 17 | 4.4 | 2.0 | 1.1 | 0.0 |
| 2015 | STL | 24 | 138 | 4.53 | 1.37 | 160 | 68 | 29 | 16 | 4.4 | 1.9 | 1.0 | 0.1 |
| 2016 | STL | 25 | 137 | 4.50 | 1.36 | 159 | 68 | 28 | 16 | 4.5 | 1.8 | 1.0 | 0.1 |
| 2017 | STL | 26 | 139 | 4.49 | 1.36 | 161 | 70 | 27 | 16 | 4.5 | 1.8 | 1.0 | 0.1 |
| 2018 | STL | 27 | 138 | 4.51 | 1.36 | 162 | 70 | 26 | 16 | 4.6 | 1.7 | 1.0 | 0.1 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 18 | CHA | BRI | APP | R+ | 16 | 0 | 0 | 3 | 0 | 1 | 0 | 4.50 | 1.55 | 22 | 22 | 12 | 12 | 1 | 4.9 | 4.9 | 0.4 | 0.2 |
| 2010 | 19 | CHA | BRI | APP | R+ | 13 | 11 | 0 | 1 | 6 | 2 | 0 | 2.49 | 1.11 | 76 | 73 | 58 | 11 | 2 | 6.9 | 1.3 | 0.2 | 2.5 |
| 2010 | 19 | CHA | KAN | SAL | A | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 18.00 | 3.00 | 1 | 3 | 2 | 0 | 0 | 18.0 | 0.0 | 0.0 | -0.1 |
| 2011 | 20 | CHA | KAN | SAL | A | 28 | 28 | 1 | 0 | 10 | 10 | 0 | 4.32 | 1.33 | 154 | 174 | 101 | 31 | 13 | 5.9 | 1.8 | 0.8 | 1.9 |
| 2012 | 21 | CHA | WSW | CAR | A+ | 15 | 15 | 2 | 0 | 8 | 2 | 0 | 3.57 | 1.08 | 93 | 88 | 62 | 13 | 12 | 6.0 | 1.3 | 1.2 | 1.9 |
| 2012 | 21 | CHA | BIR | SOU | AA | 3 | 3 | 0 | 0 | 1 | 2 | 0 | 5.89 | 1.75 | 18 | 27 | 9 | 5 | 1 | 4.4 | 2.5 | 0.5 | -0.1 |
| 2012 | 21 | HOU | COR | TEX | AA | 8 | 7 | 0 | 0 | 3 | 1 | 0 | 3.93 | 1.34 | 34 | 39 | 26 | 7 | 2 | 6.8 | 1.8 | 0.5 | 0.6 |
| Year | Age | Org | Lg | Class | ERA | WHIP | IP | H | K | BB | HR | K/9 | BB/9 | HR/9 | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 18 | CHA | AL | R+ | 7.06 | 1.93 | 20.77 | 24 | 6 | 16 | 2 | 2.6 | 6.9 | 0.9 | -0.4 |
| 2010 | 19 | CHA | AL | A | 3.82 | 1.33 | 74.56 | 84 | 34 | 15 | 4 | 4.1 | 1.8 | 0.5 | 1.4 |
| 2011 | 20 | CHA | AL | A | 5.13 | 1.46 | 153.22 | 184 | 66 | 40 | 21 | 3.9 | 2.3 | 1.2 | 0.3 |
| 2012 | 21 | STL | NL | AA | 4.51 | 1.35 | 145.51 | 165 | 70 | 31 | 23 | 4.3 | 1.9 | 1.4 | 1.1 |
Slowly developing high-school arm may yet have some projection left in him, but Heidenreich doesn't boast any remarkable secondary offerings and certainly isn't generating notice for his results yet.