Michael Wacha career ERA
3.83Career Regular Season
Michael Wacha has a career ERA of 3.83 over 14 regular seasons.
- Best season on file: 2.78 in 2013.
- Most recent: 3.33 in 2026.
Average of 14 regular seasons, 2013 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 |  STL | 15 | 4 | 1 | 2.78 | 64.2 | 65 | 19 | 1.10 | 0 |
| 2014 | STL | 19 | 5 | 6 | 3.20 | 107.0 | 94 | 33 | 1.20 | 0 |
| 2015 | STL | 30 | 17 | 7 | 3.38 | 181.1 | 153 | 58 | 1.21 | 0 |
| 2016 | STL | 27 | 7 | 7 | 5.09 | 138.0 | 114 | 45 | 1.48 | 0 |
| 2017 | STL | 30 | 12 | 9 | 4.13 | 165.2 | 158 | 55 | 1.36 | 0 |
| 2018 | STL | 15 | 8 | 2 | 3.20 | 84.1 | 71 | 36 | 1.23 | 0 |
| 2019 | STL | 29 | 6 | 7 | 4.76 | 126.2 | 104 | 55 | 1.56 | 0 |
| 2020 |  NYM | 8 | 1 | 4 | 6.62 | 34.0 | 37 | 7 | 1.56 | 0 |
| 2021 |  TB | 30 | 3 | 5 | 5.05 | 124.2 | 121 | 31 | 1.31 | 0 |
| 2022 |  BOS | 23 | 11 | 2 | 3.32 | 127.1 | 104 | 31 | 1.12 | 0 |
| 2023 |  SD | 24 | 14 | 4 | 3.22 | 134.1 | 124 | 43 | 1.16 | 0 |
| 2024 |  KC | 29 | 13 | 8 | 3.35 | 166.2 | 145 | 45 | 1.19 | 0 |
| 2025 | KC | 31 | 10 | 13 | 3.86 | 172.2 | 126 | 45 | 1.22 | 0 |
| 2026 | KC | 31 | 9 | 9 | 3.33 | 194.1 | 154 | 53 | 1.11 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
