Roger Clemens had a 12-8 record with an ERA of 3.75 and 173 strikeouts in 35 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 |  | R. Clemens | 1986 |  BOS | 5 | 1 | 1 | .500 | 5 | 3.97 | 28 | 0 | 0 | 0 | 34.0 | 31 | 15 | 17 | 1 | 13 | 2 | 0 | 0 | 146 | 0 | 7.41 | 3.44 | 2.15 | 0.26 | 19.2 | 8.9 | 1.29 | .294 | 4.50 | 8.21 | ||||
| 2 | | R. Clemens | 1988 | BOS | 1 | 0 | 0 | 1 | 3.86 | 8 | 0 | 0 | 0 | 7.0 | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 26 | 1 | 10.29 | 0.00 | 1.29 | 30.8 | 0.0 | 0.86 | .294 | 3.86 | 7.71 | ||||||
| 3 | | R. Clemens | 1990 | BOS | 2 | 0 | 1 | .000 | 2 | 3.52 | 4 | 0 | 0 | 0 | 7.2 | 7 | 3 | 3 | 0 | 5 | 0 | 0 | 0 | 32 | 1 | 4.70 | 5.87 | 0.80 | 0.00 | 12.5 | 15.6 | 1.57 | .304 | 3.52 | 8.22 | ||||
| 4 | | R. Clemens | 1995 | BOS | 1 | 0 | 0 | 1 | 3.86 | 5 | 0 | 0 | 0 | 7.0 | 5 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 27 | 0 | 6.43 | 1.29 | 5.00 | 0.00 | 18.5 | 3.7 | 0.86 | .238 | 3.86 | 6.43 | |||||
| 5 |  | R. Clemens | 1999 |  NYY | 3 | 2 | 1 | .667 | 3 | 3.24 | 8 | 0 | 0 | 0 | 16.2 | 13 | 6 | 6 | 1 | 6 | 0 | 0 | 0 | 69 | 0 | 4.32 | 3.24 | 1.33 | 0.54 | 11.6 | 8.7 | 1.14 | .222 | 3.24 | 7.02 | ||||
| 6 | | R. Clemens | 2000 | NYY | 4 | 2 | 2 | .500 | 4 | 3.21 | 34 | 1 | 1 | 0 | 28.0 | 16 | 10 | 10 | 1 | 10 | 1 | 0 | 1 | 110 | 2 | 10.93 | 3.21 | 3.40 | 0.32 | 30.9 | 9.1 | 0.93 | .234 | 3.21 | 5.14 | ||||
| 7 | | R. Clemens | 2001 | NYY | 5 | 1 | 1 | .500 | 5 | 2.36 | 32 | 0 | 0 | 0 | 26.2 | 20 | 7 | 7 | 1 | 12 | 3 | 0 | 0 | 116 | 2 | 10.80 | 4.05 | 2.67 | 0.34 | 27.6 | 10.3 | 1.20 | .279 | 2.36 | 6.75 | ||||
| 8 | | R. Clemens | 2002 | NYY | 1 | 0 | 0 | 1 | 6.35 | 5 | 0 | 0 | 0 | 5.2 | 8 | 4 | 4 | 1 | 3 | 0 | 0 | 0 | 27 | 0 | 7.94 | 4.76 | 1.67 | 1.59 | 18.5 | 11.1 | 1.94 | .389 | 6.35 | 12.71 | |||||
| 9 | | R. Clemens | 2003 | NYY | 4 | 2 | 0 | 1.000 | 4 | 3.52 | 19 | 0 | 0 | 0 | 23.0 | 24 | 9 | 10 | 4 | 3 | 0 | 0 | 0 | 95 | 0 | 7.43 | 1.17 | 6.33 | 1.57 | 20.0 | 3.2 | 1.17 | .290 | 3.91 | 9.39 | ||||
| 10 |  | R. Clemens | 2004 |  HOU | 4 | 2 | 1 | .667 | 4 | 3.60 | 21 | 0 | 0 | 0 | 25.0 | 22 | 10 | 11 | 4 | 10 | 0 | 0 | 0 | 105 | 4 | 7.56 | 3.60 | 2.10 | 1.44 | 20.0 | 9.5 | 1.28 | .257 | 3.96 | 7.92 | ||||
| 11 | | R. Clemens | 2005 | HOU | 4 | 2 | 1 | .667 | 3 | 5.63 | 8 | 0 | 0 | 0 | 16.0 | 17 | 10 | 10 | 2 | 5 | 0 | 1 | 0 | 71 | 0 | 4.50 | 2.81 | 1.60 | 1.13 | 11.3 | 7.0 | 1.38 | .268 | 5.63 | 9.56 | ||||
| 12 | | R. Clemens | 2007 | NYY | 1 | 0 | 0 | 1 | 11.57 | 1 | 0 | 0 | 0 | 2.1 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 13 | 0 | 3.86 | 7.71 | 0.50 | 3.86 | 7.7 | 15.4 | 2.57 | .333 | 11.57 | 15.43 | |||||
| Total | 35 | 12 | 8 | .600 | 34 | 3.75 | 173 | 1 | 1 | 0 | 199.0 | 173 | 83 | 87 | 17 | 70 | 6 | 1 | 1 | 837 | 10 | 7.82 | 3.17 | 2.47 | 0.77 | 20.7 | 8.4 | 1.22 | .273 | 3.93 | 7.82 |
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