Jack Pfiester had a record of 1-3 with an ERA of 3.97 and 16 strikeouts in 5 appearances in the World Series in his career.
| NAME | DATE | SEASON | SERIES | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Pfiester | 10/11/1906 | 1906 | World Series |  CHC | vs |  CWS | L | 1 | 3.00 | 9 | 1 | 0 | 0 | 9.0 | 4 | 3 | 3 | 0 | 2 | 1 | 0 | 0 | 34 | 0 |
| 2 | | J. Pfiester | 10/13/1906 | 1906 | World Series | CHC | vs | CWS | L | 0 | 27.00 | 2 | 0 | 0 | 0 | 1.1 | 3 | 4 | 4 | 0 | 1 | 1 | 0 | 0 | 9 | 0 |
| 3 | | J. Pfiester | 10/9/1907 | 1907 | World Series |  CHC | vs |  DET | W | 1 | 1.00 | 3 | 1 | 0 | 0 | 9.0 | 10 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 34 | 0 |
| 4 | | J. Pfiester | 10/12/1908 | 1908 | World Series |  CHC | vs | DET | L | 1 | 7.88 | 1 | 0 | 0 | 0 | 8.0 | 11 | 7 | 8 | 0 | 3 | 0 | 0 | 0 | 37 | 0 |
| 5 | | J. Pfiester | 10/20/1910 | 1910 | World Series | CHC | vs |  PHA | 0 | 0.00 | 1 | 0 | 0 | 0 | 6.2 | 10 | 0 | 5 | 0 | 1 | 0 | 1 | 0 | 31 | 0 | |
| Total | 3 | 3.97 | 16 | 2 | 0 | 0 | 34.0 | 38 | 15 | 21 | 0 | 8 | 3 | 1 | 0 | 145 | 0 |
Some of the information used here was obtained free of charge from Retrosheet.
Brewers 
Cubs 
Cardinals 
Reds 
Pirates 
LAD 
AZ 
Phillies 
Braves 
Padres 
Yankees 
Orioles 
Guardians 
Royals 
Astros 
Mariners 
MIA 
WSH 
BOS 
TEX 
