Garrett Olson ERA in 2012
108.002012 Regular Season
Garrett Olson posted a 108.00 ERA in the 2012 regular season.
- Garrett Olson's highest ERA of the 6 seasons on file; the best is 2.08 in 2011.
- Up 105.92 from 2.08 in 2011.
Figures come from ESPN's box scores and were last read on November 2, 2026.