Buck O'brien career WHIP
1.27Career Regular Season
Buck O'brien has a career WHIP of 1.27 over 3 regular seasons.
- Best season on file: 1.07 in 1911.
- Most recent: 1.58 in 1913.
Average of 3 regular seasons, 1911 through 1913. Figures come from ESPN's box scores and were last read on September 23, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1911 |  BOS | 6 | 5 | 1 | 0.38 | 47.2 | 31 | 21 | 1.07 | 0 |
| 1912 | BOS | 37 | 20 | 13 | 2.58 | 275.2 | 115 | 90 | 1.19 | 0 |
| 1913 |  BOS/CHW | 21 | 4 | 11 | 3.73 | 108.2 | 58 | 48 | 1.58 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV