38 pitchers were tied for the highest win percentage by a relief pitcher in 1962, at 1.000. The first three are John Miller, Bob Priddy and John Buzhardt.
| NAME | W% | SEASON | TM | 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 |  | J. Miller | 1.000 | 1962 |  BAL | 1 | 0 | 1 | 0 | 0.00 | 2 | 0 | 0 | 0 | 3.0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 12 | 0 | 6.00 | 9.00 | 0.67 | 0.00 | 16.7 | 25.0 | 1.00 | .000 | 0.00 | 0.00 |
| 2 | | B. Priddy | 1.000 | 1962 |  PIT | 1 | 0 | 2 | 0 | 3.00 | 1 | 0 | 0 | 0 | 3.0 | 4 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 14 | 1 | 3.00 | 3.00 | 1.00 | 0.00 | 7.1 | 7.1 | 1.67 | .333 | 3.00 | 12.00 |
| 3 | | J. Buzhardt | 1.000 | 1962 |  CWS | 1 | 0 | 3 | 0 | 9.00 | 3 | 0 | 0 | 0 | 4.0 | 6 | 4 | 4 | 1 | 2 | 0 | 1 | 1 | 21 | 0 | 6.75 | 4.50 | 1.50 | 2.25 | 14.3 | 9.5 | 2.00 | .333 | 9.00 | 13.50 |
| 4 | | J. Pizarro | 1.000 | 1962 | CWS | 3 | 0 | 4 | 0 | 0.00 | 12 | 0 | 0 | 1 | 11.1 | 4 | 0 | 0 | 0 | 4 | 0 | 4 | 1 | 41 | 0 | 9.53 | 3.18 | 3.00 | 0.00 | 29.3 | 9.8 | 0.71 | .160 | 0.00 | 3.18 |
| 5 | | J. Jay | 1.000 | 1962 |  CIN | 1 | 0 | 2 | 0 | 0.00 | 3 | 0 | 0 | 0 | 3.2 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 14 | 0 | 7.36 | 7.36 | 1.00 | 0.00 | 21.4 | 21.4 | 1.09 | .125 | 0.00 | 2.45 |
| 6 | | J. Maloney | 1.000 | 1962 | CIN | 2 | 0 | 5 | 0 | 0.79 | 10 | 0 | 0 | 1 | 11.1 | 6 | 1 | 1 | 0 | 3 | 0 | 4 | 0 | 41 | 3 | 7.94 | 2.38 | 3.33 | 0.00 | 24.4 | 7.3 | 0.79 | .214 | 0.79 | 4.76 |
| 7 | | B. Duliba | 1.000 | 1962 |  STL | 2 | 0 | 28 | 0 | 2.06 | 22 | 0 | 0 | 2 | 39.1 | 33 | 9 | 11 | 3 | 17 | 0 | 12 | 0 | 160 | 3 | 5.03 | 3.89 | 1.29 | 0.69 | 13.8 | 10.6 | 1.27 | .254 | 2.52 | 7.55 |
| 8 | | J. O'Toole | 1.000 | 1962 | CIN | 2 | 0 | 2 | 0 | 0.00 | 2 | 0 | 0 | 0 | 5.2 | 5 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 23 | 0 | 3.18 | 3.18 | 1.00 | 0.00 | 8.7 | 8.7 | 1.24 | .263 | 0.00 | 7.94 |
| 9 | | D. Cardwell | 1.000 | 1962 |  CHC | 1 | 0 | 12 | 0 | 2.12 | 3 | 0 | 0 | 4 | 17.0 | 13 | 4 | 4 | 1 | 3 | 1 | 9 | 0 | 64 | 1 | 1.59 | 1.59 | 1.00 | 0.53 | 4.7 | 4.7 | 0.94 | .214 | 2.12 | 6.88 |
| 10 | | B. O'Dell | 1.000 | 1962 |  SFG | 1 | 0 | 4 | 0 | 13.50 | 0 | 0 | 0 | 0 | 1.1 | 3 | 2 | 3 | 0 | 2 | 1 | 1 | 0 | 9 | 0 | 0.00 | 13.50 | 0.00 | 0.00 | 0.0 | 22.2 | 3.75 | .500 | 20.25 | 20.25 |
| 11 | | W. Hawkins | 1.000 | 1962 |  CLE | 1 | 0 | 3 | 0 | 7.36 | 0 | 0 | 0 | 0 | 3.2 | 9 | 3 | 5 | 1 | 1 | 0 | 1 | 0 | 22 | 0 | 0.00 | 2.45 | 0.00 | 2.45 | 0.0 | 4.5 | 2.73 | .400 | 12.27 | 22.09 |
| 12 | | B. Fischer | 1.000 | 1962 |  KCA | 1 | 0 | 18 | 0 | 5.12 | 9 | 0 | 0 | 2 | 19.1 | 27 | 11 | 11 | 3 | 4 | 0 | 6 | 0 | 87 | 2 | 4.19 | 1.86 | 2.25 | 1.40 | 10.3 | 4.6 | 1.60 | .338 | 5.12 | 12.57 |
| 13 | | T. Clevenger | 1.000 | 1962 |  NYY | 2 | 0 | 21 | 0 | 2.84 | 11 | 0 | 0 | 0 | 38.0 | 36 | 12 | 14 | 3 | 17 | 1 | 11 | 5 | 164 | 0 | 2.61 | 4.03 | 0.65 | 0.71 | 6.7 | 10.4 | 1.39 | .250 | 3.32 | 8.53 |
| 14 | | C. McLish | 1.000 | 1962 |  PHI | 1 | 0 | 8 | 0 | 10.80 | 7 | 0 | 0 | 1 | 11.2 | 22 | 14 | 14 | 0 | 2 | 1 | 3 | 1 | 60 | 1 | 5.40 | 1.54 | 3.50 | 0.00 | 11.7 | 3.3 | 2.06 | .440 | 10.80 | 16.97 |
| 15 | | J. Hook | 1.000 | 1962 |  NYM | 1 | 0 | 3 | 0 | 0.00 | 5 | 0 | 0 | 0 | 4.1 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 15 | 0 | 10.38 | 2.08 | 5.00 | 0.00 | 33.3 | 6.7 | 0.69 | .222 | 0.00 | 4.15 |
| 16 | | D. Stone | 1.000 | 1962 | TOT | 2 | 0 | 35 | 0 | 4.09 | 34 | 0 | 0 | 5 | 44.0 | 47 | 20 | 21 | 6 | 17 | 1 | 12 | 2 | 192 | 2 | 6.95 | 3.48 | 2.00 | 1.23 | 17.7 | 8.9 | 1.45 | .306 | 4.30 | 9.61 |
| 17 | | D. Bennett | 1.000 | 1962 | PHI | 1 | 0 | 7 | 0 | 1.80 | 17 | 0 | 0 | 3 | 20.0 | 11 | 4 | 4 | 1 | 7 | 0 | 5 | 0 | 75 | 0 | 7.65 | 3.15 | 2.43 | 0.45 | 22.7 | 9.3 | 0.90 | .200 | 1.80 | 4.95 |
| 18 |  | B. Gibson | 1.000 | 1962 | STL | 1 | 0 | 2 | 0 | 3.00 | 4 | 0 | 0 | 1 | 6.0 | 6 | 2 | 2 | 0 | 5 | 0 | 2 | 1 | 29 | 0 | 6.00 | 7.50 | 0.80 | 0.00 | 13.8 | 17.2 | 1.83 | .300 | 3.00 | 9.00 |
| 19 | | J. Kaat | 1.000 | 1962 |  MIN | 1 | 0 | 4 | 0 | 0.66 | 7 | 0 | 0 | 1 | 13.2 | 11 | 1 | 1 | 0 | 3 | 0 | 2 | 0 | 51 | 1 | 4.61 | 1.98 | 2.33 | 0.00 | 13.7 | 5.9 | 1.02 | .268 | 0.66 | 7.24 |
| 20 | | D. Giusti | 1.000 | 1962 |  HOU | 2 | 0 | 17 | 0 | 4.98 | 25 | 0 | 0 | 0 | 47.0 | 52 | 26 | 27 | 3 | 19 | 0 | 5 | 1 | 209 | 10 | 4.79 | 3.64 | 1.32 | 0.57 | 12.0 | 9.1 | 1.51 | .302 | 5.17 | 9.96 |
| 21 | | R. Taylor | 1.000 | 1962 | CLE | 1 | 0 | 4 | 0 | 6.43 | 4 | 0 | 0 | 0 | 7.0 | 11 | 5 | 5 | 1 | 2 | 0 | 3 | 1 | 32 | 0 | 5.14 | 2.57 | 2.00 | 1.29 | 12.5 | 6.3 | 1.86 | .400 | 6.43 | 14.14 |
| 22 | | B. Turley | 1.000 | 1962 | NYY | 3 | 0 | 16 | 0 | 2.81 | 20 | 0 | 0 | 1 | 32.0 | 26 | 10 | 15 | 1 | 24 | 3 | 7 | 2 | 144 | 0 | 5.63 | 6.75 | 0.83 | 0.28 | 13.9 | 16.7 | 1.56 | .260 | 4.22 | 7.31 |
| 23 | | J. Hamilton | 1.000 | 1962 | PHI | 2 | 0 | 15 | 0 | 1.95 | 14 | 0 | 0 | 2 | 32.1 | 24 | 7 | 9 | 1 | 19 | 1 | 8 | 1 | 129 | 2 | 3.90 | 5.29 | 0.74 | 0.28 | 10.9 | 14.7 | 1.33 | .245 | 2.51 | 6.68 |
| 24 | | S. McDowell | 1.000 | 1962 | CLE | 2 | 0 | 12 | 0 | 4.56 | 15 | 0 | 0 | 1 | 25.2 | 18 | 13 | 13 | 0 | 18 | 2 | 5 | 0 | 108 | 0 | 5.26 | 6.31 | 0.83 | 0.00 | 13.9 | 16.7 | 1.40 | .247 | 4.56 | 6.31 |
| 25 | | B. Bruce | 1.000 | 1962 | HOU | 1 | 0 | 5 | 0 | 0.00 | 15 | 0 | 0 | 0 | 13.1 | 9 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 52 | 0 | 10.13 | 3.38 | 3.00 | 0.00 | 28.8 | 9.6 | 1.05 | .281 | 0.00 | 6.08 |
StatMuse has game-level data for pitcher win percentage going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Blue Jays
Red Sox
Rays
TEX
Brewers
Cubs
Dodgers
Padres
Guardians
Tigers
Mariners
Astros
ATL
WSH
ATH
KCR
LAA
