John Patterson ERA in 2003
6.052003 Regular Season
John Patterson posted a 6.05 ERA in the 2003 regular season.
- 5th-best of John Patterson's 6 seasons on file; the best is 3.13 in 2005.
- Up 2.82 from 3.23 in 2002.
Figures come from ESPN's box scores and were last read on October 29, 2026.