Rob Gardner career ERA
4.35Career Regular Season
Rob Gardner has a career ERA of 4.35 over 8 regular seasons.
- Best season on file: 2.53 in 1971.
- Most recent: 8.10 in 1973.
Average of 8 regular seasons, 1965 through 1973. Figures come from ESPN's box scores and were last read on October 30, 2026.