| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Lopat | NYA | 12.87 | 195105200_BAL_NYA |
| Mickey McDermott | BOS | 4.76 | 195105220_DET_BOS |
| Gerry Staley | SLN | 3.7 | 195105210_SFN_SLN |
| Hal Newhouser | DET | 3.33 | 195105200_DET_BOS |
| Warren Spahn | ATL | 2.76 | 195105220_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -3.27 | 195105200_BAL_NYA |
| Dick Fowler | OAK | -0.69 | 195105201_CLE_OAK |
| Bob Rush | CHN | -0.52 | 195105202_ATL_CHN |
| Allie Reynolds | NYA | -0.46 | 195105220_BAL_NYA |
| Erv Dusak | PIT | -0.4 | 195105202_PHI_PIT |
Based on accumulated WAA for this season up to 1951-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.64 | Eddie Lopat | 63 | NYA |
| +002+ | 3.15 | Warren Spahn | 77.7 | ATL |
| +003+ | 2.86 | Mickey McDermott | 40.7 | BOS |
| +005+ | 2.76 | Vern Bickford | 65 | ATL |
| +004+ | 2.76 | Gerry Staley | 60.7 | SLN |
| +006+ | 2.75 | Vic Raschi | 63 | NYA |
| +009+ | 2.34 | Sal Maglie | 65 | SFN |
| +013+ | 2.03 | Johnny Klippstein | 23.3 | CHN |
| +014+ | 2.01 | Bob Feller | 42.3 | CLE |
| +016+ | 1.85 | Connie Marrero | 45.3 | MIN |
| +018+ | 1.77 | Preacher Roe | 62 | LAN |
| +019+ | 1.75 | Howie Fox | 53.3 | CIN |
| +020+ | 1.74 | Hal Newhouser | 54.7 | DET |
| +021+ | 1.72 | Early Wynn | 56 | CLE |
| +027+ | 1.45 | Harry Brecheen | 24 | SLN |
| +030+ | 1.38 | Russ Meyer | 42 | PHI |
| +031+ | 1.36 | Frank Hiller | 49 | CHN |
| XXXXX | 1.15 | Max Surkont | 55 | ATL |
| XXXXX | 1.12 | Ken Holcombe | 28.7 | CHA |
| XXXXX | 1.08 | Bob Schultz | 42.3 | CHN |
| XXXXX | 1.01 | Clyde King | 36.7 | LAN |
| XXXXX | 1 | Julio Moreno | 28.7 | MIN |
| XXXXX | 0.98 | Tom Poholsky | 51.7 | SLN |
| XXXXX | 0.96 | Joe Dobson | 42 | CHA |
| XXXXX | 0.91 | Larry Jansen | 63.3 | SFN |
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