Ian Kennedy had a record of 1-4 with an ERA of 6.03 and 43 strikeouts in 14 appearances for the Yankees 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 |  | I. Kennedy | 2007 |  NYY | 3 | 1 | 0 | 1.000 | 3 | 1.89 | 15 | 0 | 0 | 0 | 19.0 | 13 | 4 | 6 | 1 | 9 | 0 | 0 | 0 | 77 | 0 | 7.11 | 4.26 | 1.67 | 0.47 | 19.5 | 11.7 | 1.16 | .231 | 2.84 | 42 | 3.75 | 85 | 6.16 | 1.4 |
| 2 | | I. Kennedy | 2008 | NYY | 10 | 0 | 4 | .000 | 9 | 8.17 | 27 | 0 | 0 | 0 | 39.2 | 50 | 36 | 37 | 5 | 26 | 1 | 1 | 0 | 194 | 3 | 6.13 | 5.90 | 1.04 | 1.13 | 13.9 | 13.4 | 1.92 | .333 | 8.39 | 188 | 5.44 | 126 | 11.34 | -5 |
| 3 | | I. Kennedy | 2009 | NYY | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 6 | 0 | 9.00 | 18.00 | 0.50 | 0.00 | 16.7 | 33.3 | 2.00 | .000 | 0.00 | 0 | 10.09 | 220 | 0.00 | -0.6 | |
| Total | 14 | 1 | 4 | .200 | 12 | 6.03 | 43 | 0 | 0 | 0 | 59.2 | 63 | 40 | 43 | 6 | 37 | 2 | 1 | 0 | 277 | 3 | 6.49 | 5.58 | 1.16 | 0.91 | 15.5 | 13.4 | 1.68 | .302 | 6.49 | 138 | 4.98 | 114 | 9.50 | -4.1 |
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