| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Lopat | NYA | 12.87 | 195105200_BAL_NYA |
| Bob Feller | CLE | 6.21 | 195105190_CLE_BOS |
| Hal Newhouser | DET | 3.33 | 195105200_DET_BOS |
| Bob Schultz | CHN | 3.09 | 195105180_PHI_CHN |
| Mickey McDermott | BOS | 2.9 | 195105180_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -3.27 | 195105200_BAL_NYA |
| Vern Law | PIT | -1.28 | 195105190_ATL_PIT |
| Bob Kuzava | MIN | -0.76 | 195105180_BAL_MIN |
| Dick Fowler | OAK | -0.69 | 195105201_CLE_OAK |
| Bubba Church | PHI | -0.67 | 195105190_PHI_CHN |
Based on accumulated WAA for this season up to 1951-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.63 | Eddie Lopat | 63 | NYA |
| +002+ | 2.73 | Vern Bickford | 65 | ATL |
| +003+ | 2.66 | Warren Spahn | 68.7 | ATL |
| +004+ | 2.57 | Mickey McDermott | 31.7 | BOS |
| +006+ | 2.3 | Sal Maglie | 65 | SFN |
| +007+ | 2.23 | Gerry Staley | 51.7 | SLN |
| +010+ | 2.02 | Johnny Klippstein | 23.3 | CHN |
| +012+ | 1.99 | Bob Feller | 42.3 | CLE |
| +015+ | 1.83 | Connie Marrero | 45.3 | MIN |
| +016+ | 1.81 | Vic Raschi | 54 | NYA |
| +018+ | 1.74 | Preacher Roe | 62 | LAN |
| +019+ | 1.74 | Howie Fox | 53.3 | CIN |
| +022+ | 1.68 | Hal Newhouser | 54.7 | DET |
| +026+ | 1.45 | Harry Brecheen | 24 | SLN |
| +029+ | 1.36 | Russ Meyer | 42 | PHI |
| +031+ | 1.34 | Frank Hiller | 49 | CHN |
| XXXXX | 1.21 | Early Wynn | 47 | CLE |
| XXXXX | 1.13 | Max Surkont | 55 | ATL |
| XXXXX | 1.11 | Ken Holcombe | 28.7 | CHA |
| XXXXX | 1.07 | Bob Schultz | 42.3 | CHN |
| XXXXX | 0.99 | Clyde King | 36.7 | LAN |
| XXXXX | 0.99 | Larry Jansen | 56.3 | SFN |
| XXXXX | 0.97 | Tom Poholsky | 51.7 | SLN |
| XXXXX | 0.91 | Dizzy Trout | 47 | DET |
| XXXXX | 0.9 | Ewell Blackwell | 59.7 | CIN |
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