David Cone career ERA
3.46Career Regular Season
David Cone has a career ERA of 3.46 over 17 regular seasons.
- Best season on file: 2.22 in 1988.
- Most recent: 6.50 in 2003.
Average of 17 regular seasons, 1986 through 2003. Figures come from ESPN's box scores and were last read on September 21, 2026.