John Parrish ERA in 2003
1.902003 Regular Season
John Parrish posted a 1.90 ERA in the 2003 regular season.
- John Parrish's best regular season for ERA in 8 seasons on file.
- Down 4.24 from 6.14 in 2001.
Figures come from ESPN's box scores and were last read on October 27, 2026.