Frank Tanana career ERA
3.66Career Regular Season
Frank Tanana has a career ERA of 3.66 over 21 regular seasons.
- Best season on file: 2.44 in 1976.
- Most recent: 4.35 in 1993.
Average of 21 regular seasons, 1973 through 1993. Figures come from ESPN's box scores and were last read on September 22, 2026.