Elmer Koestner career ERA
3.18Career Regular Season
Elmer Koestner has a career ERA of 3.18 over 2 regular seasons.
- Best season on file: 3.04 in 1910.
- Most recent: 4.01 in 1914.
Average of 2 regular seasons, 1910 through 1914. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1910 |  CLE | 27 | 5 | 10 | 3.04 | 145.0 | 44 | 63 | 1.43 | 2 |
| 1914 |  CHC/CIN | 9 | 0 | 0 | 4.01 | 24.2 | 12 | 13 | 1.50 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV