| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ralph Branca | LAN | 4.36 | 195107120_CHN_LAN |
| Bob Feller | CLE | 4.09 | 195107120_NYA_CLE |
| Sal Maglie | SFN | 3.57 | 195107080_ATL_SFN |
| Robin Roberts | PHI | 3.26 | 195107070_LAN_PHI |
| Allie Reynolds | NYA | 2.9 | 195107070_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -3.93 | 195107082_SLN_PIT |
| Dick Starr | BAL | -2.99 | 195107122_OAK_BAL |
| Bobby Shantz | OAK | -2.06 | 195107122_OAK_BAL |
| Ray Scarborough | BOS | -2.05 | 195107080_NYA_BOS |
| Sid Hudson | MIN | -1.73 | 195107082_OAK_MIN |
Based on accumulated WAA for this season up to 1951-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.66 | Bob Feller | 134.7 | CLE |
| +006+ | 4.47 | Ralph Branca | 99 | LAN |
| +009+ | 4.08 | Sal Maglie | 153.3 | SFN |
| +011+ | 3.74 | Warren Spahn | 144.3 | ATL |
| +012+ | 3.67 | Vern Bickford | 126 | ATL |
| +014+ | 3.6 | Preacher Roe | 138 | LAN |
| +017+ | 3.39 | Eddie Lopat | 123 | NYA |
| +019+ | 3.35 | Mike Garcia | 115 | CLE |
| +020+ | 3.34 | Saul Rogovin | 117 | TOT |
| +022+ | 3.28 | Robin Roberts | 150 | PHI |
| +023+ | 3.11 | Don Newcombe | 130.7 | LAN |
| +025+ | 2.95 | Connie Marrero | 111.7 | MIN |
| +029+ | 2.57 | Allie Reynolds | 119 | NYA |
| +030+ | 2.44 | Harry Perkowski | 68 | CIN |
| +032+ | 2.43 | Bob Cain | 109.7 | TOT |
| +031+ | 2.43 | Vic Raschi | 143 | NYA |
| +036+ | 2.38 | Gerry Staley | 135 | SLN |
| +037+ | 2.37 | Bubba Church | 121.7 | PHI |
| +038+ | 2.3 | Joe Presko | 80 | SLN |
| +039+ | 2.28 | Fred Hutchinson | 84 | DET |
| +040+ | 2.27 | Larry Jansen | 152 | SFN |
| +046+ | 2.17 | Harry Brecheen | 70 | SLN |
| +047+ | 2.13 | Howie Fox | 105.7 | CIN |
| +048+ | 2.11 | Mel Parnell | 125.3 | BOS |
| +053+ | 1.99 | Dutch Leonard | 39.3 | CHN |
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