Geoff Hartlieb ERA in 2026
4.072026 Regular Season
Geoff Hartlieb has a 4.07 ERA in the 2026 regular season, as of Sep 22, 2026.
- 3rd-best of Geoff Hartlieb's 7 seasons on file; the best is 2.25 in 2023.
- Down 17.53 from 21.60 in 2025.
Figures come from ESPN's box scores and were last read on September 22, 2026.



