Jimmy Key had a record of 5-3 with an ERA of 3.15 and 35 strikeouts in 14 appearances in the postseason in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Key | 1985 |  TOR | 2 | 0 | 1 | .000 | 2 | 5.19 | 5 | 0 | 0 | 0 | 8.2 | 15 | 5 | 5 | 1 | 2 | 0 | 0 | 0 | 41 | 0 | 5.19 | 2.08 | 2.50 | 1.04 | 12.2 | 4.9 | 1.96 | .424 | 5.19 | 15.58 | ||||
| 2 | | J. Key | 1989 |  TOR | 1 | 1 | 0 | 1.000 | 1 | 4.50 | 2 | 0 | 0 | 0 | 6.0 | 7 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 26 | 0 | 3.00 | 3.00 | 1.00 | 1.50 | 7.7 | 7.7 | 1.50 | .286 | 4.50 | 10.50 | ||||
| 3 | | J. Key | 1991 | TOR | 1 | 0 | 0 | 1 | 3.00 | 1 | 0 | 0 | 0 | 6.0 | 5 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 23 | 0 | 1.50 | 1.50 | 1.00 | 0.00 | 4.3 | 4.3 | 1.00 | .238 | 3.00 | 7.50 | |||||
| 4 | | J. Key | 1992 | TOR | 3 | 2 | 0 | 1.000 | 1 | 0.75 | 7 | 0 | 0 | 0 | 12.0 | 8 | 1 | 2 | 0 | 2 | 0 | 0 | 1 | 45 | 0 | 5.25 | 1.50 | 3.50 | 0.00 | 15.6 | 4.4 | 0.83 | .222 | 1.50 | 6.00 | ||||
| 5 |  | J. Key | 1996 |  NYY | 4 | 2 | 1 | .667 | 4 | 3.33 | 9 | 0 | 0 | 0 | 24.1 | 23 | 9 | 9 | 2 | 7 | 1 | 0 | 0 | 99 | 0 | 3.33 | 2.59 | 1.29 | 0.74 | 9.1 | 7.1 | 1.23 | .263 | 3.33 | 8.51 | ||||
| 6 |  | J. Key | 1997 |  BAL | 3 | 0 | 1 | .000 | 2 | 3.09 | 11 | 0 | 0 | 0 | 11.2 | 13 | 4 | 4 | 1 | 3 | 3 | 0 | 0 | 52 | 1 | 8.49 | 2.31 | 3.67 | 0.77 | 21.2 | 5.8 | 1.37 | .353 | 3.09 | 10.03 | ||||
| Total | 14 | 5 | 3 | .625 | 11 | 3.15 | 35 | 0 | 0 | 0 | 68.2 | 71 | 24 | 25 | 5 | 17 | 4 | 0 | 1 | 286 | 1 | 4.59 | 2.23 | 2.06 | 0.66 | 12.2 | 5.9 | 1.28 | .293 | 3.28 | 9.31 |
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