Mark Fidrych career ERA
3.10Career Regular Season
Mark Fidrych has a career ERA of 3.10 over 5 regular seasons.
- Best season on file: 2.34 in 1976.
- Most recent: 5.68 in 1980.
Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1976 |  DET | 31 | 19 | 9 | 2.34 | 250.1 | 97 | 53 | 1.08 | 0 |
| 1977 | DET | 11 | 6 | 4 | 2.89 | 81.0 | 42 | 12 | 1.16 | 0 |
| 1978 | DET | 3 | 2 | 0 | 2.45 | 22.0 | 10 | 5 | 1.00 | 0 |
| 1979 | DET | 4 | 0 | 3 | 10.43 | 14.2 | 5 | 9 | 2.18 | 0 |
| 1980 | DET | 9 | 2 | 3 | 5.68 | 44.1 | 16 | 20 | 1.76 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV