Johnny Morrison career ERA
3.65Career Regular Season
Johnny Morrison has a career ERA of 3.65 over 10 regular seasons.
- Best season on file: 0.00 in 1920.
- Most recent: 5.45 in 1930.
Average of 10 regular seasons, 1920 through 1930. Figures come from ESPN's box scores and were last read on November 2, 2026.