Kid Madden career ERA
3.92Career Regular Season
Kid Madden has a career ERA of 3.92 over 5 regular seasons.
- Best season on file: 2.95 in 1888.
- Most recent: 4.19 in 1891.
Average of 5 regular seasons, 1887 through 1891. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1887 |  ATL | 37 | 21 | 14 | 3.79 | 321.0 | 81 | 122 | 1.37 | 0 |
| 1888 | ATL | 20 | 7 | 11 | 2.95 | 165.0 | 53 | 24 | 1.01 | 0 |
| 1889 | ATL | 22 | 10 | 10 | 4.40 | 178.0 | 64 | 71 | 1.49 | 1 |
| 1890 | — | 10 | 3 | 2 | 4.79 | 62.0 | 24 | 25 | 1.77 | 0 |
| 1891 | — | 33 | 13 | 13 | 4.19 | 232.0 | 62 | 94 | 1.48 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV