John Dettmer career ERA
4.47Career Regular Season
John Dettmer has a career ERA of 4.47 over 2 regular seasons.
- Best season on file: 4.33 in 1994.
- Most recent: 27.00 in 1995.
Lowest of 2 regular seasons, 1994 through 1995. Figures come from ESPN's box scores and were last read on September 21, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1994 |  TEX | 11 | 0 | 6 | 4.33 | 54.0 | 27 | 20 | 1.54 | 0 |
| 1995 | TEX | 1 | 0 | 0 | 27.00 | 0.1 | 0 | 0 | 6.00 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV