Hideki Okajima has the lowest WHIP with 7.0+ innings pitched and when he didn't start in an ALCS, with a WHIP of 0.27.
| NAME | WHIP | IP | GS | SEASON | SERIES | TM | G | W | L | W% | ERA | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | H. Okajima | 0.27 | 7.1 | 0 | 2008 | ALCS |  BOS | 5 | 0 | 0 | 0.00 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 24 | 0 | 6.14 | 1.23 | 5.00 | 0.00 | 20.8 | 4.2 | .056 | 0.00 | 1.23 | |
| 2 |  | D. Lamp | 0.32 | 9.1 | 0 | 1985 | ALCS |  TOR | 3 | 0 | 0 | 0.00 | 10 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 31 | 0 | 9.64 | 0.96 | 10.00 | 0.00 | 32.3 | 3.2 | .100 | 0.00 | 1.93 | |
| 3 |  | A. Miller | 0.39 | 7.2 | 0 | 2016 | ALCS |  CLE | 4 | 0 | 0 | 0.00 | 14 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 25 | 0 | 16.43 | 0.00 | 0.00 | 56.0 | 0.0 | .273 | 0.00 | 3.52 | ||
| 4 |  | M. Rivera | 0.63 | 8.0 | 0 | 2003 | ALCS |  NYY | 4 | 1 | 0 | 1.000 | 1.13 | 6 | 0 | 0 | 2 | 5 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 29 | 0 | 6.75 | 0.00 | 0.00 | 20.7 | 0.0 | .217 | 1.13 | 5.63 | |
| 5 |  | A. Ogando | 0.65 | 7.2 | 0 | 2011 | ALCS |  TEX | 4 | 2 | 0 | 1.000 | 1.17 | 10 | 0 | 0 | 0 | 3 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 28 | 0 | 11.74 | 2.35 | 5.00 | 1.17 | 35.7 | 7.1 | .133 | 1.17 | 3.52 |
| 6 | | M. Rivera | 0.71 | 7.0 | 0 | 2009 | ALCS | NYY | 5 | 0 | 0 | 1.29 | 4 | 0 | 0 | 2 | 3 | 1 | 1 | 0 | 2 | 0 | 3 | 1 | 27 | 0 | 5.14 | 2.57 | 2.00 | 0.00 | 14.8 | 7.4 | .143 | 1.29 | 3.86 | |
| 7 |  | S. Lyle | 0.75 | 9.1 | 0 | 1977 | ALCS | NYY | 4 | 2 | 0 | 1.000 | 0.96 | 3 | 0 | 0 | 0 | 7 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 32 | 0 | 2.89 | 0.00 | 0.00 | 9.4 | 0.0 | .241 | 0.96 | 6.75 | |
| 8 | | R. Betancourt | 0.88 | 8.0 | 0 | 2007 | ALCS | CLE | 5 | 0 | 0 | 6.75 | 6 | 0 | 0 | 0 | 6 | 6 | 7 | 1 | 1 | 0 | 1 | 1 | 32 | 0 | 6.75 | 1.13 | 6.00 | 1.13 | 18.8 | 3.1 | .208 | 7.88 | 6.75 | |
| 9 | | D. Wells | 1.04 | 7.2 | 0 | 1991 | ALCS |  TOR | 4 | 0 | 0 | 2.35 | 9 | 0 | 0 | 0 | 6 | 2 | 2 | 0 | 2 | 0 | 1 | 1 | 31 | 0 | 10.57 | 2.35 | 4.50 | 0.00 | 29.0 | 6.5 | .300 | 2.35 | 7.04 | |
| 10 | | M. Rivera | 1.14 | 7.0 | 0 | 2004 | ALCS | NYY | 5 | 0 | 0 | 1.29 | 6 | 0 | 0 | 2 | 6 | 1 | 1 | 0 | 2 | 0 | 3 | 0 | 28 | 0 | 7.71 | 2.57 | 3.00 | 0.00 | 21.4 | 7.1 | .300 | 1.29 | 7.71 | |
| 11 |  | P. Splittorff | 1.29 | 9.1 | 0 | 1976 | ALCS |  KCR | 2 | 1 | 0 | 1.000 | 1.93 | 2 | 0 | 0 | 0 | 7 | 2 | 2 | 0 | 5 | 0 | 0 | 0 | 40 | 0 | 1.93 | 4.82 | 0.40 | 0.00 | 5.0 | 12.5 | .212 | 1.93 | 6.75 |
| 12 | | D. Tidrow | 1.29 | 7.0 | 0 | 1977 | ALCS | NYY | 2 | 0 | 0 | 3.86 | 3 | 0 | 0 | 0 | 6 | 3 | 3 | 2 | 3 | 0 | 0 | 0 | 30 | 0 | 3.86 | 3.86 | 1.00 | 2.57 | 10.0 | 10.0 | .182 | 3.86 | 7.71 | |
| 13 | | D. Tidrow | 1.36 | 7.1 | 0 | 1976 | ALCS | NYY | 3 | 1 | 0 | 1.000 | 3.68 | 0 | 0 | 0 | 0 | 6 | 3 | 4 | 0 | 4 | 0 | 2 | 0 | 33 | 0 | 0.00 | 4.91 | 0.00 | 0.00 | 0.0 | 12.1 | .207 | 4.91 | 7.36 |
| 14 | | T. Wakefield | 1.64 | 7.1 | 0 | 2004 | ALCS | BOS | 3 | 1 | 0 | 1.000 | 8.59 | 6 | 0 | 0 | 0 | 9 | 7 | 7 | 1 | 3 | 0 | 1 | 2 | 35 | 0 | 7.36 | 3.68 | 2.00 | 1.23 | 17.1 | 8.6 | .320 | 8.59 | 11.05 |
StatMuse has game-level data for WHIP, innings pitched, and starts going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.
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