| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Lopat | NYA | 12.87 | 195105200_BAL_NYA |
| Bob Feller | CLE | 6.21 | 195105190_CLE_BOS |
| Gerry Staley | SLN | 3.7 | 195105210_SFN_SLN |
| Hal Newhouser | DET | 3.33 | 195105200_DET_BOS |
| Vern Bickford | ATL | 2.63 | 195105190_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -3.27 | 195105200_BAL_NYA |
| Vern Law | PIT | -1.28 | 195105190_ATL_PIT |
| Dick Fowler | OAK | -0.69 | 195105201_CLE_OAK |
| Bubba Church | PHI | -0.67 | 195105190_PHI_CHN |
| Bob Rush | CHN | -0.52 | 195105202_ATL_CHN |
Based on accumulated WAA for this season up to 1951-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.61 | Eddie Lopat | 63 | NYA |
| +002+ | 2.73 | Gerry Staley | 60.7 | SLN |
| +003+ | 2.72 | Vic Raschi | 63 | NYA |
| +004+ | 2.71 | Vern Bickford | 65 | ATL |
| +005+ | 2.65 | Warren Spahn | 68.7 | ATL |
| +006+ | 2.56 | Mickey McDermott | 31.7 | BOS |
| +008+ | 2.3 | Sal Maglie | 65 | SFN |
| +012+ | 2.01 | Johnny Klippstein | 23.3 | CHN |
| +013+ | 1.98 | Bob Feller | 42.3 | CLE |
| +016+ | 1.82 | Connie Marrero | 45.3 | MIN |
| +017+ | 1.73 | Preacher Roe | 62 | LAN |
| +018+ | 1.72 | Howie Fox | 53.3 | CIN |
| +022+ | 1.69 | Hal Newhouser | 54.7 | DET |
| +027+ | 1.44 | Harry Brecheen | 24 | SLN |
| +030+ | 1.35 | Russ Meyer | 42 | PHI |
| +032+ | 1.33 | Frank Hiller | 49 | CHN |
| XXXXX | 1.2 | Early Wynn | 47 | CLE |
| XXXXX | 1.12 | Max Surkont | 55 | ATL |
| XXXXX | 1.1 | Ken Holcombe | 28.7 | CHA |
| XXXXX | 1.06 | Bob Schultz | 42.3 | CHN |
| XXXXX | 0.99 | Clyde King | 36.7 | LAN |
| XXXXX | 0.99 | Julio Moreno | 28.7 | MIN |
| XXXXX | 0.96 | Tom Poholsky | 51.7 | SLN |
| XXXXX | 0.93 | Joe Dobson | 42 | CHA |
| XXXXX | 0.88 | Carl Scheib | 38.7 | OAK |
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