Bill Stemmeyer career ERA
3.67Career Regular Season
Bill Stemmeyer has a career ERA of 3.67 over 4 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1885 |  ATL | 2 | 1 | 1 | 0.00 | 11.0 | 8 | 11 | 1.64 | 0 |
| 1886 | ATL | 41 | 22 | 18 | 3.02 | 348.2 | 239 | 144 | 1.27 | 0 |
| 1887 | ATL | 15 | 6 | 8 | 5.20 | 119.1 | 41 | 41 | 1.50 | 1 |
| 1888 | — | 2 | 0 | 2 | 9.00 | 16.0 | 7 | 9 | 2.88 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 0.00 in 1885.
- Most recent: 9.00 in 1888.
Figures come from ESPN's box scores and were last read on November 7, 2026.