Tom Seaver had a 1-2 record with an ERA of 2.70 and 27 strikeouts in 4 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 |  | T. Seaver | 10/11/1969 | 1969 | World Series |  NYM | @ |  BAL | L | 1 | 7.20 | 3 | 0 | 0 | 0 | 5.0 | 6 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 23 | 0 |
| 2 | | T. Seaver | 10/15/1969 | 1969 | World Series | NYM | vs | BAL | W | 1 | 0.90 | 6 | 1 | 0 | 0 | 10.0 | 6 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 38 | 0 |
| 3 | | T. Seaver | 10/16/1973 | 1973 | World Series | NYM | vs |  OAK | 1 | 2.25 | 12 | 0 | 0 | 0 | 8.0 | 7 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 32 | 0 | |
| 4 | | T. Seaver | 10/20/1973 | 1973 | World Series | NYM | @ | OAK | L | 1 | 2.57 | 6 | 0 | 0 | 0 | 7.0 | 6 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 30 | 1 |
| Total | 4 | 2.70 | 27 | 1 | 0 | 0 | 30.0 | 25 | 9 | 9 | 1 | 6 | 0 | 0 | 0 | 123 | 1 |
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