| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sal Maglie | SFN | 7.23 | 195106300_SFN_ATL |
| Vern Bickford | ATL | 4.05 | 195106300_SFN_ATL |
| Ralph Branca | LAN | 3.59 | 195106280_LAN_SFN |
| Bubba Church | PHI | 2.33 | 195106300_PHI_LAN |
| Vic Raschi | NYA | 2.18 | 195106290_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -3.5 | 195106300_BAL_CHA |
| Sid Hudson | MIN | -3.49 | 195106280_NYA_MIN |
| Bill Werle | PIT | -2.85 | 195106280_PIT_CIN |
| Cliff Chambers | SLN | -1.15 | 195106300_PIT_SLN |
| Bob Kuzava | NYA | -0.74 | 195106300_BOS_NYA |
Based on accumulated WAA for this season up to 1951-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.35 | Warren Spahn | 134 | ATL |
| +004+ | 4.75 | Sal Maglie | 139 | SFN |
| +007+ | 3.98 | Vern Bickford | 122 | ATL |
| +011+ | 3.38 | Allie Reynolds | 99.7 | NYA |
| +012+ | 3.36 | Eddie Lopat | 108 | NYA |
| +014+ | 3.31 | Vic Raschi | 128.7 | NYA |
| +015+ | 3.27 | Bob Feller | 109 | CLE |
| +016+ | 3.23 | Ralph Branca | 77 | LAN |
| +018+ | 3.16 | Robin Roberts | 134.7 | PHI |
| +019+ | 3.07 | Preacher Roe | 121 | LAN |
| +029+ | 2.37 | Harry Brecheen | 59 | SLN |
| +030+ | 2.37 | Mike Garcia | 95.7 | CLE |
| +032+ | 2.31 | Joe Presko | 80 | SLN |
| +040+ | 2.19 | Russ Meyer | 99.7 | PHI |
| +041+ | 2.07 | Don Newcombe | 110.7 | LAN |
| +043+ | 2.04 | Bob Lemon | 115.7 | CLE |
| +044+ | 2.02 | Randy Gumpert | 70.7 | CHA |
| +045+ | 1.99 | Connie Marrero | 93.7 | MIN |
| +048+ | 1.9 | Larry Jansen | 123 | SFN |
| +051+ | 1.85 | Bubba Church | 104.7 | PHI |
| +055+ | 1.71 | Saul Rogovin | 82 | TOT |
| +056+ | 1.67 | Fritz Dorish | 36.7 | CHA |
| +058+ | 1.66 | Harry Perkowski | 53.7 | CIN |
| +059+ | 1.63 | Bob Cain | 86.7 | TOT |
| +062+ | 1.62 | Ewell Blackwell | 105 | CIN |
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