Harry Perkowski career ERA
4.37Career Regular Season
Harry Perkowski has a career ERA of 4.37 over 8 regular seasons.
- Best season on file: 2.82 in 1951.
- Most recent: 5.29 in 1955.
Average of 8 regular seasons, 1947 through 1955. Figures come from ESPN's box scores and were last read on November 2, 2026.