| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Johnson | BAL | -4.69 | 195009030_CLE_BAL |
| Carl Scheib | OAK | -4.51 | 195009020_BOS_OAK |
| Chuck Stobbs | BOS | -1.24 | 195009010_BOS_OAK |
| Vern Law | PIT | -0.83 | 195009020_SLN_PIT |
| Joe Haynes | MIN | -0.82 | 195009020_MIN_NYA |
Based on accumulated WAA for this season up to 1950-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.19 | Max Lanier | 165.3 | SLN |
| +008+ | 6.76 | Art Houtteman | 232.3 | DET |
| +010+ | 6.63 | Vern Bickford | 249.7 | ATL |
| +013+ | 6.54 | Robin Roberts | 234 | PHI |
| +014+ | 6.37 | Larry Jansen | 220.7 | SFN |
| +015+ | 6.16 | Bubba Church | 120.7 | PHI |
| +016+ | 6.14 | Warren Spahn | 238.7 | ATL |
| +018+ | 5.67 | Preacher Roe | 205 | LAN |
| +019+ | 5.56 | Sal Maglie | 152.3 | SFN |
| +024+ | 5.3 | Allie Reynolds | 203 | NYA |
| +023+ | 5.3 | Ewell Blackwell | 216.7 | CIN |
| +026+ | 5.03 | Early Wynn | 182.3 | CLE |
| +027+ | 4.86 | Howie Pollet | 193.3 | SLN |
| +033+ | 4.43 | Eddie Lopat | 196.7 | NYA |
| +035+ | 4.4 | Ned Garver | 205 | BAL |
| +039+ | 4.28 | Curt Simmons | 199.3 | PHI |
| +045+ | 3.92 | Don Newcombe | 204.3 | LAN |
| +046+ | 3.88 | Bob Miller | 154 | PHI |
| +049+ | 3.7 | Bob Feller | 209.7 | CLE |
| +053+ | 3.55 | Lou Brissie | 220.7 | OAK |
| +057+ | 3.09 | Bob Lemon | 242 | CLE |
| +059+ | 2.8 | Jim Hearn | 83.3 | TOT |
| +062+ | 2.61 | Whitey Ford | 67.7 | NYA |
| +063+ | 2.54 | Dave Koslo | 163.7 | SFN |
| +064+ | 2.46 | Mel Parnell | 200 | BOS |
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