Michael Kopech ERA in 2023
5.432023 Regular Season
Michael Kopech posted a 5.43 ERA in the 2023 regular season.
- Michael Kopech's highest ERA of the 6 seasons on file; the best is 2.45 in 2025.
- Up 1.89 from 3.54 in 2022.
Best of 6 regular seasons, 2018 through 2025. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 |  CHW | 4 | 1 | 1 | 5.02 | 14.1 | 15 | 2 | 1.53 | 0 |
| 2021 | CHW | 44 | 4 | 3 | 3.50 | 69.1 | 103 | 24 | 1.13 | 0 |
| 2022 | CHW | 25 | 5 | 9 | 3.54 | 119.1 | 105 | 57 | 1.19 | 0 |
| 2023 | CHW | 30 | 5 | 12 | 5.43 | 129.1 | 134 | 91 | 1.59 | 0 |
| 2024 |  CHW/LAD | 67 | 6 | 8 | 3.46 | 67.2 | 88 | 34 | 1.15 | 15 |
| 2025 | LAD | 14 | 0 | 0 | 2.45 | 11.0 | 12 | 13 | 1.73 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
vs SF
@ TOR
@ TB
@ PIT
vs BAL