Bob Harmon career ERA
3.33Career Regular Season
Bob Harmon has a career ERA of 3.33 over 9 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1909 |  STL | 21 | 6 | 11 | 3.68 | 159.0 | 48 | 65 | 1.38 | 0 |
| 1910 | STL | 43 | 13 | 15 | 4.46 | 236.0 | 87 | 133 | 1.53 | 2 |
| 1911 | STL | 51 | 23 | 16 | 3.13 | 348.0 | 144 | 181 | 1.35 | 4 |
| 1912 | STL | 43 | 18 | 18 | 3.93 | 268.0 | 73 | 116 | 1.49 | 0 |
| 1913 | STL | 42 | 8 | 21 | 3.92 | 273.1 | 66 | 99 | 1.43 | 2 |
| 1914 |  PIT | 37 | 13 | 17 | 2.53 | 245.0 | 61 | 55 | 1.15 | 3 |
| 1915 | PIT | 37 | 16 | 17 | 2.50 | 269.2 | 86 | 62 | 1.13 | 1 |
| 1916 | PIT | 31 | 8 | 11 | 2.81 | 172.2 | 62 | 39 | 1.24 | 0 |
| 1918 | PIT | 16 | 2 | 7 | 2.62 | 82.1 | 7 | 12 | 1.07 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.50 in 1915.
- Most recent: 2.62 in 1918.
Average of 9 regular seasons, 1909 through 1918. Figures come from ESPN's box scores and were last read on October 27, 2026.