Buck O'Brien
Pitching
Baseball Reference Page
| Team | Year | Pos | AB | R | H | HR | RBI | AVG | RC | Def RP | Tot | RPG |
| BOS | 1911 | P | 16 | 0 | 2 | 0 | 1 | 0.125 | -0.9 | 0.3 | -0.6 | -0.127 |
| BOS | 1912 | P | 94 | 4 | 13 | 0 | 6 | 0.138 | -3.6 | 0.2 | -3.3 | -0.117 |
| CHA | 1913 | P | 3 | 0 | 0 | 0 | 0 | 0.000 | -0.4 | 0.1 | -0.3 | -0.295 |
| BOS | 1913 | P | 30 | 2 | 5 | 0 | 1 | 0.167 | 0.1 | 0.6 | 0.7 | 0.079 |