John Lackey had a record of 8-6 with an ERA of 3.44 and 114 strikeouts in 29 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. Lackey | 2002 |  ANA | 5 | 2 | 0 | 1.000 | 3 | 2.42 | 17 | 0 | 0 | 0 | 22.1 | 21 | 6 | 6 | 0 | 6 | 0 | 0 | 4 | 90 | 0 | 6.85 | 2.42 | 2.83 | 0.00 | 18.9 | 6.7 | 1.21 | .313 | 2.42 | 8.46 | ||||
| 2 | | J. Lackey | 2005 |  LAA | 3 | 0 | 1 | .000 | 3 | 4.41 | 12 | 0 | 0 | 0 | 16.1 | 15 | 8 | 8 | 1 | 10 | 0 | 0 | 0 | 72 | 2 | 6.61 | 5.51 | 1.20 | 0.55 | 16.7 | 13.9 | 1.53 | .286 | 4.41 | 8.27 | ||||
| 3 | | J. Lackey | 2007 | LAA | 1 | 0 | 1 | .000 | 1 | 6.00 | 4 | 0 | 0 | 0 | 6.0 | 9 | 4 | 4 | 2 | 2 | 0 | 0 | 0 | 25 | 1 | 6.00 | 3.00 | 2.00 | 3.00 | 16.0 | 8.0 | 1.83 | .412 | 6.00 | 13.50 | ||||
| 4 | | J. Lackey | 2008 | LAA | 2 | 0 | 1 | .000 | 2 | 2.63 | 6 | 0 | 0 | 0 | 13.2 | 11 | 4 | 4 | 1 | 4 | 1 | 0 | 0 | 57 | 0 | 3.95 | 2.63 | 1.50 | 0.66 | 10.5 | 7.0 | 1.10 | .222 | 2.63 | 7.24 | ||||
| 5 | | J. Lackey | 2009 | LAA | 3 | 1 | 1 | .500 | 3 | 2.29 | 14 | 0 | 0 | 0 | 19.2 | 19 | 5 | 7 | 0 | 7 | 0 | 0 | 0 | 84 | 1 | 6.41 | 3.20 | 2.00 | 0.00 | 16.7 | 8.3 | 1.32 | .302 | 3.20 | 8.69 | ||||
| 6 | | J. Lackey | 2013 |  BOS | 5 | 3 | 1 | .750 | 4 | 2.77 | 25 | 0 | 0 | 0 | 26.0 | 25 | 8 | 8 | 0 | 6 | 1 | 0 | 0 | 110 | 3 | 8.65 | 2.08 | 4.17 | 0.00 | 22.7 | 5.5 | 1.19 | .321 | 2.77 | 8.65 | ||||
| 7 | | J. Lackey | 2014 |  STL | 2 | 1 | 0 | 1.000 | 2 | 3.46 | 11 | 0 | 0 | 0 | 13.0 | 10 | 5 | 5 | 0 | 2 | 1 | 0 | 1 | 52 | 0 | 7.62 | 1.38 | 5.50 | 0.00 | 21.2 | 3.8 | 0.92 | .263 | 3.46 | 6.92 | ||||
| 8 | | J. Lackey | 2015 | STL | 2 | 1 | 0 | 1.000 | 2 | 3.48 | 10 | 0 | 0 | 0 | 10.1 | 6 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 36 | 0 | 8.71 | 1.74 | 5.00 | 0.87 | 27.8 | 5.6 | 0.77 | .217 | 3.48 | 5.23 | ||||
| 9 | | J. Lackey | 2016 |  CHC | 3 | 0 | 1 | .000 | 3 | 4.85 | 12 | 0 | 0 | 0 | 13.0 | 14 | 7 | 8 | 1 | 6 | 1 | 0 | 1 | 58 | 0 | 8.31 | 4.15 | 2.00 | 0.69 | 20.7 | 10.3 | 1.54 | .342 | 5.54 | 9.69 | ||||
| 10 | | J. Lackey | 2017 | CHC | 3 | 0 | 0 | 0 | 9.82 | 3 | 0 | 0 | 0 | 3.2 | 5 | 4 | 4 | 1 | 2 | 0 | 2 | 0 | 17 | 3 | 7.36 | 4.91 | 1.50 | 2.45 | 17.6 | 11.8 | 1.91 | .364 | 9.82 | 12.27 | |||||
| Total | 29 | 8 | 6 | .571 | 23 | 3.44 | 114 | 0 | 0 | 0 | 144.0 | 135 | 55 | 58 | 7 | 47 | 4 | 2 | 6 | 601 | 10 | 7.13 | 2.94 | 2.43 | 0.44 | 19.0 | 7.8 | 1.26 | .298 | 3.63 | 8.44 |
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