Hank O'day career ERA
3.74Career Regular Season
Hank O'day has a career ERA of 3.74 over 7 regular seasons.
- Best season on file: 1.65 in 1886.
- Most recent: 4.21 in 1890.
Average of 7 regular seasons, 1884 through 1890. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1884 | — | 41 | 9 | 28 | 3.75 | 326.2 | 163 | 66 | 1.23 | 1 |
| 1885 |  PIT | 12 | 5 | 7 | 3.67 | 103.0 | 36 | 16 | 1.22 | 0 |
| 1886 | — | 6 | 2 | 2 | 1.65 | 49.0 | 47 | 17 | 1.18 | 0 |
| 1887 | — | 30 | 8 | 20 | 4.17 | 254.2 | 86 | 109 | 1.43 | 0 |
| 1888 | — | 46 | 16 | 29 | 3.10 | 403.0 | 186 | 117 | 1.18 | 0 |
| 1889 | — | 23 | 11 | 11 | 4.31 | 186.0 | 51 | 92 | 1.57 | 0 |
| 1890 | — | 43 | 22 | 13 | 4.21 | 329.0 | 94 | 163 | 1.58 | 3 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV