| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Lopat | NYA | 12.14 | 195105250_OAK_NYA |
| Bob Feller | CLE | 3.19 | 195105240_CLE_MIN |
| Hal Newhouser | DET | 2.91 | 195105250_BAL_DET |
| Vern Bickford | ATL | 2.68 | 195105250_ATL_LAN |
| Connie Marrero | MIN | 2.39 | 195105250_MIN_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Widmar | BAL | -2.91 | 195105250_BAL_DET |
| Joe Coleman | OAK | -1.59 | 195105240_CHA_OAK |
| Vern Law | PIT | -1.11 | 195105260_PIT_CHN |
| Ken Raffensberger | CIN | -0.56 | 195105240_CIN_SLN |
| Max Lanier | SLN | -0.31 | 195105260_CIN_SLN |
Based on accumulated WAA for this season up to 1951-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.4 | Eddie Lopat | 70.7 | NYA |
| +002+ | 3.24 | Warren Spahn | 77.7 | ATL |
| +004+ | 3.08 | Sal Maglie | 74 | SFN |
| +005+ | 3.07 | Vic Raschi | 72 | NYA |
| +006+ | 2.99 | Vern Bickford | 73 | ATL |
| +007+ | 2.95 | Bob Feller | 51.3 | CLE |
| +009+ | 2.87 | Mickey McDermott | 40.7 | BOS |
| +010+ | 2.72 | Gerry Staley | 60.7 | SLN |
| +015+ | 2.23 | Howie Fox | 62.3 | CIN |
| +016+ | 2.09 | Johnny Klippstein | 32 | CHN |
| +017+ | 2.06 | Preacher Roe | 71 | LAN |
| +019+ | 2.03 | Ken Holcombe | 37.7 | CHA |
| +021+ | 1.96 | Harry Brecheen | 31 | SLN |
| +022+ | 1.85 | Larry Jansen | 72.3 | SFN |
| +025+ | 1.76 | Hal Newhouser | 62.7 | DET |
| +027+ | 1.75 | Early Wynn | 56 | CLE |
| +035+ | 1.42 | Carl Scheib | 47.3 | OAK |
| +037+ | 1.38 | Russ Meyer | 42 | PHI |
| +039+ | 1.36 | Tom Poholsky | 57.7 | SLN |
| +042+ | 1.33 | Ewell Blackwell | 66 | CIN |
| +044+ | 1.29 | Robin Roberts | 67.7 | PHI |
| XXXXX | 1.07 | Bob Schultz | 42.3 | CHN |
| XXXXX | 1.03 | Julio Moreno | 28.7 | MIN |
| XXXXX | 0.99 | Joe Dobson | 42 | CHA |
| XXXXX | 0.95 | Randy Gumpert | 26.7 | CHA |
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