Matt Kilroy career ERA
3.47Career Regular Season
Matt Kilroy has a career ERA of 3.47 over 10 regular seasons.
- Best season on file: 2.39 in 1892.
- Most recent: 4.31 in 1898.
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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1886 | — | 68 | 29 | 34 | 3.37 | 583.0 | 513 | 182 | 1.13 | 0 |
| 1887 | — | 69 | 46 | 19 | 3.07 | 589.1 | 217 | 157 | 1.26 | 0 |
| 1888 | — | 40 | 17 | 21 | 4.04 | 321.0 | 135 | 79 | 1.33 | 0 |
| 1889 | — | 59 | 29 | 25 | 2.85 | 480.2 | 217 | 142 | 1.29 | 0 |
| 1890 | — | 30 | 9 | 15 | 4.26 | 217.2 | 48 | 87 | 1.63 | 0 |
| 1891 | — | 7 | 1 | 4 | 2.98 | 45.1 | 6 | 19 | 1.54 | 0 |
| 1892 | — | 4 | 1 | 1 | 2.39 | 26.1 | 1 | 15 | 1.33 | 0 |
| 1893 | — | 5 | 3 | 2 | 9.00 | 35.0 | 4 | 23 | 2.29 | 0 |
| 1894 | — | 8 | 0 | 5 | 3.89 | 37.0 | 11 | 20 | 1.78 | 0 |
| 1898 |  CHC | 13 | 6 | 7 | 4.31 | 100.1 | 18 | 30 | 1.49 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV