Mark Corey ERA in 2003
5.342003 Regular Season
Mark Corey posted a 5.34 ERA in the 2003 regular season.
- 2nd-best of Mark Corey's 4 seasons on file; the best is 4.54 in 2004.
- Down 3.25 from 8.59 in 2002.
Figures come from ESPN's box scores and were last read on October 29, 2026.