Bill Bailey career ERA
3.57Career Regular Season
Bill Bailey has a career ERA of 3.57 over 11 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1907 |  BAL | 6 | 4 | 1 | 2.42 | 48.1 | 17 | 15 | 1.12 | 0 |
| 1908 | BAL | 22 | 3 | 5 | 3.04 | 106.2 | 42 | 50 | 1.27 | 0 |
| 1909 | BAL | 32 | 9 | 10 | 2.44 | 199.0 | 114 | 75 | 1.25 | 0 |
| 1910 | BAL | 34 | 3 | 18 | 3.32 | 192.1 | 90 | 97 | 1.47 | 0 |
| 1911 | BAL | 7 | 0 | 3 | 4.55 | 31.2 | 8 | 16 | 1.83 | 0 |
| 1912 | BAL | 3 | 0 | 1 | 9.28 | 10.2 | 2 | 10 | 2.34 | 0 |
| 1914 | — | 19 | 7 | 9 | 3.08 | 128.2 | 131 | 68 | 1.35 | 0 |
| 1915 | — | 41 | 9 | 20 | 4.27 | 223.2 | 122 | 125 | 1.46 | 0 |
| 1918 |  DET | 8 | 1 | 2 | 5.97 | 37.2 | 13 | 26 | 2.10 | 0 |
| 1921 |  STL | 19 | 2 | 5 | 4.26 | 74.0 | 20 | 22 | 1.58 | 0 |
| 1922 | STL | 12 | 0 | 2 | 5.40 | 31.2 | 11 | 23 | 1.93 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.42 in 1907.
- Most recent: 5.40 in 1922.
Figures come from ESPN's box scores and were last read on November 3, 2026.