John Mitchell career ERA
4.35Career Regular Season
John Mitchell has a career ERA of 4.35 over 5 regular seasons.
| 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1986 |  NYM | 4 | 0 | 1 | 3.60 | 10.0 | 2 | 4 | 1.40 | 0 |
| 1987 | NYM | 20 | 3 | 6 | 4.11 | 111.2 | 57 | 36 | 1.43 | 0 |
| 1988 | NYM | 1 | 0 | 0 | 0.00 | 1.0 | 1 | 1 | 3.00 | 0 |
| 1989 | NYM | 2 | 0 | 1 | 6.00 | 3.0 | 4 | 4 | 2.33 | 0 |
| 1990 |  BAL | 24 | 6 | 6 | 4.64 | 114.1 | 43 | 48 | 1.58 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 0.00 in 1988.
- Most recent: 4.64 in 1990.
Figures come from ESPN's box scores and were last read on October 31, 2026.