Buck O'Brien
Batting
Baseball Reference Page
| Team | Year | Adj IP | W | L | BB | SO | ERA | RPG | Runs | Tot | R/IP | TE |
| BOS | 1911 | 44.5 | 5 | 1 | 21 | 31 | 0.38 | -0.127 | 24.0 | 23.4 | 0.540 | 0.477 |
| BOS | 1912 | 265.6 | 20 | 13 | 90 | 115 | 2.58 | -0.117 | 130.9 | 127.5 | 0.493 | 0.434 |
| CHA | 1913 | 19.4 | 0 | 2 | 13 | 4 | 3.93 | -0.295 | 7.7 | 7.4 | 0.396 | 0.362 |
| BOS | 1913 | 95.1 | 4 | 9 | 35 | 54 | 3.69 | 0.079 | 50.0 | 50.7 | 0.526 | 0.488 |