Roy Halladay career ERA
3.38Career Regular Season
Roy Halladay has a career ERA of 3.38 over 16 regular seasons.
- Best season on file: 1.93 in 1998.
- Most recent: 6.82 in 2013.
Average of 16 regular seasons, 1998 through 2013. Figures come from ESPN's box scores and were last read on September 23, 2026.
