Shaun Marcum career ERA
3.93Career Regular Season
Shaun Marcum has a career ERA of 3.93 over 9 regular seasons.
- Best season on file: 0.00 in 2005.
- Most recent: 5.40 in 2015.
Average of 9 regular seasons, 2005 through 2015. Figures come from ESPN's box scores and were last read on September 22, 2026.
