| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.37 | 195109051_SFN_ATL |
| Sal Maglie | SFN | 3.46 | 195109052_SFN_ATL |
| Saul Rogovin | CHA | 2.85 | 195109040_CHA_CLE |
| Early Wynn | CLE | 2.81 | 195109050_DET_CLE |
| Ralph Branca | LAN | 2.72 | 195109050_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -7.47 | 195109050_CIN_PIT |
| Joe Hatten | CHN | -1.39 | 195109052_SLN_CHN |
| Cliff Chambers | SLN | -0.82 | 195109060_SLN_CHN |
| Don Johnson | MIN | -0.58 | 195109052_MIN_OAK |
| Sheldon Jones | SFN | -0.51 | 195109051_SFN_ATL |
Based on accumulated WAA for this season up to 1951-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 6.7 | Mike Garcia | 223.7 | CLE |
| +008+ | 6.66 | Robin Roberts | 259 | PHI |
| +009+ | 6.57 | Warren Spahn | 258.3 | ATL |
| +010+ | 6.34 | Sal Maglie | 250 | SFN |
| +013+ | 5.81 | Saul Rogovin | 201.7 | TOT |
| +014+ | 5.8 | Early Wynn | 243 | CLE |
| +016+ | 5.53 | Eddie Lopat | 203 | NYA |
| +017+ | 5.3 | Preacher Roe | 212.3 | LAN |
| +018+ | 5.24 | Ralph Branca | 176 | LAN |
| +027+ | 4.01 | Bob Feller | 226.3 | CLE |
| +028+ | 4.01 | Don Newcombe | 218.7 | LAN |
| +030+ | 3.92 | Mickey McDermott | 154.3 | BOS |
| +032+ | 3.81 | Larry Jansen | 225.7 | SFN |
| +033+ | 3.75 | Vern Bickford | 159.7 | ATL |
| +034+ | 3.71 | Allie Reynolds | 182 | NYA |
| +035+ | 3.57 | Bubba Church | 209 | PHI |
| +036+ | 3.56 | Steve Gromek | 93 | CLE |
| +045+ | 3.16 | Sam Zoldak | 116 | OAK |
| +048+ | 2.98 | Chet Nichols | 113.7 | ATL |
| +050+ | 2.93 | Max Lanier | 132 | SLN |
| +054+ | 2.88 | Connie Marrero | 180.3 | MIN |
| +055+ | 2.82 | Mel Parnell | 192 | BOS |
| +058+ | 2.73 | Harry Brecheen | 138.7 | SLN |
| +059+ | 2.72 | Bob Lemon | 232.7 | CLE |
| +062+ | 2.65 | Ewell Blackwell | 199.7 | CIN |
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