| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Chase | BOS | -3.75 | 194305202_BOS_CLE |
| Charlie Fuchs | PHI | -2.46 | 194305201_CHN_PHI |
| Bill Lee | CHN | -0.79 | 194305201_CHN_PHI |
| Orie Arntzen | OAK | -0.55 | 194305210_OAK_BAL |
| Rube Melton | LAN | -0.18 | 194305200_SLN_LAN |
Based on accumulated WAA for this season up to 1943-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.07 | Johnny Humphries | 44 | CHA |
| +002+ | 1.6 | Jack Kraus | 34 | PHI |
| +003+ | 1.58 | Jim Bagby | 48 | CLE |
| +005+ | 1.52 | Jesse Flores | 50.7 | OAK |
| +006+ | 1.43 | Mort Cooper | 50.3 | SLN |
| +007+ | 1.41 | Ewald Pyle | 38 | MIN |
| +008+ | 1.34 | Bobo Newsom | 39 | LAN |
| XXXXX | 1.2 | Spud Chandler | 43.7 | NYA |
| XXXXX | 1.18 | Dutch Leonard | 54 | MIN |
| XXXXX | 1.13 | Rube Melton | 39 | LAN |
| XXXXX | 1.11 | Hal Newhouser | 32.3 | DET |
| XXXXX | 1.06 | Bob Klinger | 29 | PIT |
| XXXXX | 1.06 | Tiny Bonham | 44.7 | NYA |
| XXXXX | 1.05 | Ernie White | 40.7 | SLN |
| XXXXX | 1.04 | Johnny Vander Meer | 55.7 | CIN |
| XXXXX | 1.03 | Xavier Rescigno | 35 | PIT |
| XXXXX | 0.99 | Nate Andrews | 47.3 | ATL |
| XXXXX | 0.95 | Virgil Trucks | 43.7 | DET |
| XXXXX | 0.9 | Howie Pollet | 35 | SLN |
| XXXXX | 0.84 | Buck Ross | 19 | CHA |
| XXXXX | 0.81 | Al Smith | 26 | CLE |
| XXXXX | 0.79 | Dizzy Trout | 34 | DET |
| XXXXX | 0.77 | Jack Salveson | 15.3 | CLE |
| XXXXX | 0.75 | Tex Hughson | 60 | BOS |
| XXXXX | 0.75 | Roger Wolff | 45 | OAK |
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