Jack Gilligan career ERA
4.33Career Regular Season
Jack Gilligan has a career ERA of 4.33 over 2 regular seasons.
- Best season on file: 3.66 in 1910.
Average of 2 regular seasons, 1909 through 1910. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1909 |  BAL | 3 | 1 | 2 | 5.48 | 23.0 | 4 | 9 | 1.61 | 0 |
| 1910 | BAL | 9 | 0 | 3 | 3.66 | 39.1 | 10 | 28 | 1.65 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV