| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 5.79 | 195106180_CLE_BOS |
| Warren Spahn | ATL | 5.59 | 195106200_ATL_CHN |
| Eddie Lopat | NYA | 4 | 195106200_CHA_NYA |
| Joe Presko | SLN | 1.94 | 195106180_SFN_SLN |
| Dizzy Trout | DET | 0.88 | 195106190_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.42 | 195106200_BAL_MIN |
| Cliff Chambers | SLN | -1.91 | 195106190_SFN_SLN |
| Bobby Shantz | OAK | -1.85 | 195106202_DET_OAK |
| Bill Wight | BOS | -1.37 | 195106200_CLE_BOS |
| Johnny Schmitz | LAN | -1.23 | 195106200_LAN_CIN |
Based on accumulated WAA for this season up to 1951-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.29 | Warren Spahn | 123 | ATL |
| +002+ | 5.1 | Sal Maglie | 118.7 | SFN |
| +005+ | 3.97 | Eddie Lopat | 104.7 | NYA |
| +006+ | 3.68 | Bob Feller | 95 | CLE |
| +007+ | 3.67 | Ralph Branca | 63.3 | LAN |
| +011+ | 3.17 | Vern Bickford | 109.7 | ATL |
| +013+ | 3.05 | Preacher Roe | 105.7 | LAN |
| +014+ | 3.02 | Randy Gumpert | 62.3 | CHA |
| +017+ | 2.56 | Joe Presko | 77 | SLN |
| +019+ | 2.55 | Larry Jansen | 118.3 | SFN |
| +021+ | 2.52 | Robin Roberts | 108.7 | PHI |
| +027+ | 2.35 | Gerry Staley | 94 | SLN |
| +029+ | 2.34 | Vic Raschi | 111.7 | NYA |
| +040+ | 2.01 | Mickey McDermott | 72.3 | BOS |
| +045+ | 1.87 | Bob Cain | 73.3 | TOT |
| +044+ | 1.87 | Harry Brecheen | 53 | SLN |
| +046+ | 1.86 | Bubba Church | 91.3 | PHI |
| +047+ | 1.85 | Chet Nichols | 39 | ATL |
| +051+ | 1.62 | Connie Marrero | 84.7 | MIN |
| +053+ | 1.54 | Howie Fox | 77 | CIN |
| +054+ | 1.51 | Russ Meyer | 85.7 | PHI |
| +055+ | 1.5 | Ewell Blackwell | 105 | CIN |
| +056+ | 1.47 | Bob Lemon | 100.3 | CLE |
| +059+ | 1.41 | Mike Garcia | 78.3 | CLE |
| +060+ | 1.4 | Allie Reynolds | 80.7 | NYA |
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