Jack Dunn career ERA
4.11Career Regular Season
Jack Dunn has a career ERA of 4.11 over 7 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1897 |  LAD | 25 | 14 | 9 | 4.57 | 216.2 | 26 | 66 | 1.46 | 0 |
| 1898 | LAD | 41 | 16 | 21 | 3.60 | 322.2 | 66 | 82 | 1.35 | 0 |
| 1899 | LAD | 41 | 23 | 13 | 3.70 | 299.1 | 48 | 86 | 1.37 | 2 |
| 1900 |  LAD/PHI | 20 | 8 | 9 | 5.16 | 143.0 | 18 | 57 | 1.62 | 0 |
| 1901 |  PHI/NYY | 11 | 3 | 4 | 4.90 | 64.1 | 6 | 28 | 1.76 | 0 |
| 1902 |  SF | 3 | 0 | 3 | 3.71 | 26.2 | 6 | 12 | 1.50 | 0 |
| 1904 | SF | 1 | 0 | 0 | 4.50 | 4.0 | 1 | 3 | 1.50 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 3.60 in 1898.
- Most recent: 4.50 in 1904.
Average of 7 regular seasons, 1897 through 1904. Figures come from ESPN's box scores and were last read on November 6, 2026.