50 pitchers are tied for the best career win percentage by a starting pitcher in the postseason, at 1.000. The first three are Bryce Miller, Shohei Ohtani and Garrett Crochet.
| NAME | W% | W | L | G | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Miller | 1.000 | 1 | 0 | 3 | 3 | 2.51 | 9 | 0 | 0 | 0 | 14.1 | 10 | 4 | 4 | 1 | 5 | 0 | 0 | 1 | 55 | 0 | 5.65 | 3.14 | 1.80 | 0.63 | 16.4 | 9.1 | 1.05 | .225 | 2.51 | 6.28 |
| 2 |  | S. Ohtani | 1.000 | 2 | 0 | 2 | 2 | 2.25 | 19 | 0 | 0 | 0 | 12.0 | 5 | 3 | 3 | 0 | 4 | 1 | 0 | 0 | 45 | 0 | 14.25 | 3.00 | 4.75 | 0.00 | 42.2 | 8.9 | 0.75 | .238 | 2.25 | 3.75 |
| 3 |  | G. Crochet | 1.000 | 1 | 0 | 1 | 1 | 1.17 | 11 | 0 | 0 | 0 | 7.2 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 26 | 0 | 12.91 | 0.00 | 1.17 | 42.3 | 0.0 | 0.52 | .214 | 1.17 | 4.70 | |
| 4 |  | C. Ragans | 1.000 | 1 | 0 | 2 | 2 | 0.90 | 13 | 0 | 0 | 0 | 10.0 | 7 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 41 | 0 | 11.70 | 3.60 | 3.25 | 0.00 | 31.7 | 9.8 | 1.10 | .292 | 0.90 | 6.30 |
| 5 |  | M. King | 1.000 | 2 | 0 | 2 | 2 | 3.75 | 15 | 0 | 0 | 0 | 12.0 | 10 | 5 | 5 | 2 | 1 | 0 | 0 | 0 | 47 | 0 | 11.25 | 0.75 | 15.00 | 1.50 | 31.9 | 2.1 | 0.92 | .276 | 3.75 | 7.50 |
| 6 | | A. Heaney | 1.000 | 1 | 0 | 3 | 3 | 4.82 | 4 | 0 | 0 | 0 | 9.1 | 10 | 5 | 5 | 0 | 4 | 0 | 0 | 0 | 41 | 0 | 3.86 | 3.86 | 1.00 | 0.00 | 9.8 | 9.8 | 1.50 | .303 | 4.82 | 9.64 |
| 7 |  | N. Cortes | 1.000 | 1 | 0 | 3 | 3 | 4.50 | 7 | 0 | 0 | 0 | 12.0 | 11 | 6 | 6 | 2 | 7 | 0 | 0 | 0 | 53 | 0 | 5.25 | 5.25 | 1.00 | 1.50 | 13.2 | 13.2 | 1.50 | .243 | 4.50 | 8.25 |
| 8 |  | L. Webb | 1.000 | 1 | 0 | 2 | 2 | 0.61 | 17 | 0 | 0 | 0 | 14.2 | 9 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 53 | 0 | 10.43 | 0.61 | 17.00 | 0.00 | 32.1 | 1.9 | 0.68 | .257 | 0.61 | 5.52 |
| 9 | | B. Wilson | 1.000 | 1 | 0 | 1 | 1 | 1.50 | 5 | 0 | 0 | 0 | 6.0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 20 | 0 | 7.50 | 1.50 | 5.00 | 1.50 | 25.0 | 5.0 | 0.33 | .000 | 1.50 | 1.50 |
| 10 | | R. Yarbrough | 1.000 | 1 | 0 | 2 | 2 | 4.32 | 6 | 0 | 0 | 0 | 8.1 | 8 | 4 | 4 | 4 | 3 | 1 | 0 | 0 | 37 | 0 | 6.48 | 3.24 | 2.00 | 4.32 | 16.2 | 8.1 | 1.32 | .174 | 4.32 | 8.64 |
| 11 | | I. Anderson | 1.000 | 4 | 0 | 8 | 8 | 1.26 | 40 | 0 | 0 | 0 | 35.2 | 20 | 5 | 5 | 1 | 17 | 2 | 0 | 0 | 145 | 1 | 10.09 | 4.29 | 2.35 | 0.25 | 27.6 | 11.7 | 1.04 | .224 | 1.26 | 5.05 |
| 12 | | L. Giolito | 1.000 | 1 | 0 | 2 | 2 | 3.97 | 12 | 0 | 0 | 0 | 11.1 | 5 | 5 | 5 | 0 | 6 | 0 | 0 | 0 | 45 | 1 | 9.53 | 4.76 | 2.00 | 0.00 | 26.7 | 13.3 | 0.97 | .185 | 3.97 | 3.97 |
| 13 |  | J. Paxton | 1.000 | 1 | 0 | 3 | 3 | 3.46 | 20 | 0 | 0 | 0 | 13.0 | 13 | 5 | 5 | 2 | 7 | 0 | 0 | 0 | 58 | 1 | 13.85 | 4.85 | 2.86 | 1.38 | 34.5 | 12.1 | 1.54 | .379 | 3.46 | 9.00 |
| 14 | | A. Sanchez | 1.000 | 1 | 0 | 2 | 2 | 5.40 | 10 | 0 | 0 | 0 | 11.2 | 5 | 7 | 7 | 2 | 6 | 0 | 0 | 0 | 46 | 1 | 7.71 | 4.63 | 1.67 | 1.54 | 21.7 | 13.0 | 0.94 | .107 | 5.40 | 3.86 |
| 15 |  | M. Harvey | 1.000 | 2 | 0 | 4 | 4 | 3.04 | 27 | 0 | 0 | 0 | 26.2 | 21 | 9 | 10 | 2 | 8 | 1 | 0 | 1 | 109 | 0 | 9.11 | 2.70 | 3.38 | 0.68 | 24.8 | 7.3 | 1.09 | .268 | 3.38 | 7.09 |
| 16 | | B. Norris | 1.000 | 1 | 0 | 2 | 2 | 3.38 | 9 | 0 | 0 | 0 | 10.2 | 11 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 46 | 1 | 7.59 | 1.69 | 4.50 | 0.84 | 19.6 | 4.3 | 1.22 | .294 | 3.38 | 9.28 |
| 17 | | C. Tillman | 1.000 | 1 | 0 | 3 | 3 | 5.93 | 13 | 0 | 0 | 0 | 13.2 | 15 | 9 | 9 | 4 | 4 | 0 | 0 | 0 | 60 | 0 | 8.56 | 2.63 | 3.25 | 2.63 | 21.7 | 6.7 | 1.39 | .282 | 5.93 | 9.88 |
| 18 | | J. Vargas | 1.000 | 1 | 0 | 3 | 3 | 3.52 | 11 | 0 | 0 | 0 | 15.1 | 11 | 6 | 6 | 3 | 6 | 0 | 0 | 0 | 61 | 1 | 6.46 | 3.52 | 1.83 | 1.76 | 18.0 | 9.8 | 1.11 | .195 | 3.52 | 6.46 |
| 19 | | M. Minor | 1.000 | 1 | 0 | 1 | 1 | 1.42 | 5 | 0 | 0 | 0 | 6.1 | 8 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 26 | 0 | 7.11 | 1.42 | 5.00 | 0.00 | 19.2 | 3.8 | 1.42 | .400 | 1.42 | 11.37 |
| 20 | | R. Vogelsong | 1.000 | 3 | 0 | 7 | 7 | 3.00 | 28 | 0 | 0 | 0 | 36.0 | 32 | 12 | 12 | 1 | 15 | 1 | 0 | 0 | 152 | 0 | 7.00 | 3.75 | 1.87 | 0.25 | 18.4 | 9.9 | 1.31 | .290 | 3.00 | 8.00 |
| 21 | | J. Collmenter | 1.000 | 1 | 0 | 1 | 1 | 1.29 | 6 | 0 | 0 | 0 | 7.0 | 2 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 26 | 0 | 7.71 | 2.57 | 3.00 | 1.29 | 23.1 | 7.7 | 0.57 | .063 | 1.29 | 2.57 |
| 22 |  | W. Davis | 1.000 | 1 | 0 | 1 | 1 | 3.60 | 7 | 0 | 0 | 0 | 5.0 | 7 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 24 | 0 | 12.60 | 5.40 | 2.33 | 1.80 | 29.2 | 12.5 | 2.00 | .462 | 3.60 | 12.60 |
| 23 | | F. Liriano | 1.000 | 1 | 0 | 3 | 3 | 3.38 | 17 | 0 | 0 | 0 | 18.2 | 13 | 7 | 7 | 0 | 6 | 2 | 0 | 0 | 76 | 2 | 8.20 | 2.89 | 2.83 | 0.00 | 22.4 | 7.9 | 1.02 | .255 | 3.38 | 6.27 |
| 24 | | J. Blanton | 1.000 | 2 | 0 | 6 | 6 | 4.28 | 30 | 0 | 0 | 0 | 33.2 | 32 | 16 | 17 | 4 | 11 | 3 | 0 | 2 | 146 | 2 | 8.02 | 2.94 | 2.73 | 1.07 | 20.5 | 7.5 | 1.28 | .286 | 4.54 | 8.55 |
| 25 | | J. Danks | 1.000 | 1 | 0 | 1 | 1 | 4.05 | 7 | 0 | 0 | 0 | 6.2 | 7 | 3 | 3 | 1 | 3 | 0 | 0 | 0 | 30 | 0 | 9.45 | 4.05 | 2.33 | 1.35 | 23.3 | 10.0 | 1.50 | .316 | 4.05 | 9.45 |
StatMuse has game-level data for pitcher win percentage going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.
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