Big Jeff Pfeffer
Pitching
Baseball Reference Page
| Team | Year | Pos | AB | R | H | HR | RBI | AVG | RC | Def RP | Tot | RPG |
| CHN | 1905 | P | 40 | 4 | 8 | 0 | 3 | 0.200 | 0.1 | 0.6 | 0.7 | 0.064 |
| BSN | 1906 | P | 158 | 10 | 31 | 1 | 11 | 0.196 | 5.6 | -0.6 | 5.0 | 0.117 |
| BSN | 1907 | P | 60 | 1 | 15 | 0 | 6 | 0.250 | 3.4 | 0.1 | 3.5 | 0.229 |
| BSN | 1908 | P | 2 | 0 | 0 | 0 | 0 | 0.000 | -0.3 | 0.0 | -0.3 | -0.393 |
| CHN | 1910 | P | 17 | 1 | 3 | 0 | 2 | 0.176 | 0.4 | 0.4 | 0.8 | 0.163 |
| BSN | 1911 | P | 46 | 4 | 9 | 1 | 6 | 0.196 | 1.9 | 0.8 | 2.6 | 0.215 |