Jeremy Affeldt was 1-0 with an ERA of 0.77 and 6 strikeouts in 12 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. Affeldt | 10/24/2007 | 2007 | World Series |  COL | @ |  BOS | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| 2 | | J. Affeldt | 10/25/2007 | 2007 | World Series | COL | @ | BOS | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | ||
| 3 | | J. Affeldt | 10/27/2007 | 2007 | World Series | COL | vs | BOS | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| 4 | | J. Affeldt | 10/28/2007 | 2007 | World Series | COL | vs | BOS | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| 5 |  | J. Affeldt | 10/27/2010 | 2010 | World Series |  SFG | vs |  TEX | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | ||
| 6 | | J. Affeldt | 10/30/2010 | 2010 | World Series | SFG | @ | TEX | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| 7 | | J. Affeldt | 10/24/2012 | 2012 | World Series | SFG | vs |  DET | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| 8 | | J. Affeldt | 10/28/2012 | 2012 | World Series | SFG | @ | DET | 0 | 0.00 | 4 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | |
| 9 | | J. Affeldt | 10/22/2014 | 2014 | World Series | SFG | @ |  KCR | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 10 | | J. Affeldt | 10/24/2014 | 2014 | World Series | SFG | vs | KCR | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| 11 | | J. Affeldt | 10/25/2014 | 2014 | World Series | SFG | vs | KCR | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| 12 | | J. Affeldt | 10/29/2014 | 2014 | World Series | SFG | @ | KCR | W | 0 | 0.00 | 0 | 0 | 0 | 0 | 2.1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 |
| Total | 0 | 0.77 | 6 | 0 | 0 | 0 | 11.2 | 6 | 1 | 1 | 0 | 3 | 1 | 1 | 0 | 40 | 1 |
Some of the information used here was obtained free of charge from Retrosheet.
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