| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 6.21 | 195105190_CLE_BOS |
| Warren Spahn | ATL | 5.47 | 195105170_ATL_CIN |
| Connie Marrero | MIN | 4.14 | 195105170_DET_MIN |
| Bob Schultz | CHN | 3.09 | 195105180_PHI_CHN |
| Mickey McDermott | BOS | 2.9 | 195105180_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Johnson | BAL | -3.05 | 195105170_BAL_OAK |
| Allie Reynolds | NYA | -2.4 | 195105170_CLE_NYA |
| Vern Law | PIT | -1.28 | 195105190_ATL_PIT |
| Bob Kuzava | MIN | -0.76 | 195105180_BAL_MIN |
| Bubba Church | PHI | -0.67 | 195105190_PHI_CHN |
Based on accumulated WAA for this season up to 1951-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.08 | Eddie Lopat | 54 | NYA |
| +002+ | 2.78 | Vern Bickford | 64.3 | ATL |
| +003+ | 2.56 | Warren Spahn | 68.7 | ATL |
| +004+ | 2.54 | Mickey McDermott | 31.7 | BOS |
| +005+ | 2.23 | Sal Maglie | 65 | SFN |
| +006+ | 2.2 | Gerry Staley | 51.7 | SLN |
| +009+ | 2.01 | Johnny Klippstein | 23.3 | CHN |
| +010+ | 1.94 | Bob Feller | 42.3 | CLE |
| +014+ | 1.79 | Connie Marrero | 45.3 | MIN |
| +016+ | 1.77 | Vic Raschi | 54 | NYA |
| +018+ | 1.69 | Howie Fox | 53.3 | CIN |
| +019+ | 1.69 | Ewell Blackwell | 53.3 | CIN |
| +022+ | 1.67 | Preacher Roe | 62 | LAN |
| +024+ | 1.58 | Hal Newhouser | 45.7 | DET |
| +032+ | 1.31 | Frank Hiller | 49 | CHN |
| XXXXX | 1.15 | Early Wynn | 47 | CLE |
| XXXXX | 1.05 | Ken Holcombe | 19.7 | CHA |
| XXXXX | 1.05 | Max Surkont | 55 | ATL |
| XXXXX | 1.04 | Bob Schultz | 42.3 | CHN |
| XXXXX | 0.97 | Carl Scheib | 35.7 | OAK |
| XXXXX | 0.94 | Tom Poholsky | 51.7 | SLN |
| XXXXX | 0.93 | Larry Jansen | 56.3 | SFN |
| XXXXX | 0.87 | Dizzy Trout | 47 | DET |
| XXXXX | 0.85 | Joe Dobson | 35 | CHA |
| XXXXX | 0.79 | Julio Moreno | 22.7 | MIN |
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