Don August career ERA
4.64Career Regular Season
Don August has a career ERA of 4.64 over 4 regular seasons.
- Best season on file: 3.09 in 1988.
- Most recent: 5.47 in 1991.
Average of 4 regular seasons, 1988 through 1991. Figures come from ESPN's box scores and were last read on October 24, 2026.