Michael Petersen ERA in 2025
4.002025 Regular Season
Michael Petersen posted a 4.00 ERA in the 2025 regular season.
- 2nd-best of Michael Petersen's 3 seasons on file; the best is 3.16 in 2026.
- Down 1.95 from 5.95 in 2024.
Average of 3 regular seasons, 2024 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.


