Mitch Keller career ERA
4.60Career Regular Season
Mitch Keller has a career ERA of 4.60 over 8 regular seasons.
- Best season on file: 2.91 in 2020.
- Most recent: 5.29 in 2026.
Average of 8 regular seasons, 2019 through 2026. Figures come from ESPN's box scores and were last read on September 21, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 |  PIT | 11 | 1 | 5 | 7.13 | 48.0 | 65 | 16 | 1.83 | 0 |
| 2020 | PIT | 5 | 1 | 1 | 2.91 | 21.2 | 16 | 18 | 1.25 | 0 |
| 2021 | PIT | 23 | 5 | 11 | 6.17 | 100.2 | 92 | 49 | 1.79 | 0 |
| 2022 | PIT | 31 | 5 | 12 | 3.91 | 159.0 | 138 | 60 | 1.40 | 0 |
| 2023 | PIT | 32 | 13 | 9 | 4.21 | 194.1 | 210 | 55 | 1.25 | 0 |
| 2024 | PIT | 31 | 11 | 12 | 4.25 | 178.0 | 166 | 50 | 1.30 | 0 |
| 2025 | PIT | 32 | 6 | 15 | 4.19 | 176.1 | 150 | 51 | 1.26 | 0 |
| 2026 | PIT | 22 | 6 | 8 | 5.29 | 115.2 | 89 | 42 | 1.37 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV