| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lum Harris | OAK | -4.87 | 194306180_MIN_OAK |
| Bill Dietrich | CHA | -2.59 | 194306202_CLE_CHA |
| Chubby Dean | CLE | -1.82 | 194306192_CLE_CHA |
| Charlie Fuchs | PHI | -1.45 | 194306190_PHI_LAN |
| Steve Sundra | BAL | -1.04 | 194306190_BAL_DET |
Based on accumulated WAA for this season up to 1943-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.97 | Tex Hughson | 116 | BOS |
| +002+ | 3.77 | Mort Cooper | 109.7 | SLN |
| +003+ | 3.76 | Hal Newhouser | 77.3 | DET |
| +004+ | 3 | Spud Chandler | 92.3 | NYA |
| +006+ | 2.77 | Milo Candini | 45.3 | MIN |
| +008+ | 2.41 | Jack Kraus | 75.7 | PHI |
| +010+ | 2.35 | Johnny Niggeling | 83 | BAL |
| +011+ | 2.3 | Tiny Bonham | 72 | NYA |
| +013+ | 2.24 | Denny Galehouse | 67.3 | BAL |
| +015+ | 2.08 | Nate Andrews | 109.3 | ATL |
| +020+ | 1.84 | Virgil Trucks | 77 | DET |
| +021+ | 1.83 | Howie Pollet | 82.3 | SLN |
| +022+ | 1.82 | Schoolboy Rowe | 70.7 | PHI |
| +025+ | 1.69 | Max Lanier | 77.3 | SLN |
| +027+ | 1.57 | Bob Muncrief | 55.3 | BAL |
| +029+ | 1.55 | Bobo Newsom | 88.7 | LAN |
| +034+ | 1.48 | Elmer Riddle | 87.7 | CIN |
| +037+ | 1.44 | Jack Hallett | 45.7 | PIT |
| +035+ | 1.44 | Tommy Bridges | 68.7 | DET |
| +042+ | 1.31 | Al Smith | 63.3 | CLE |
| XXXXX | 1.23 | Ed Heusser | 30.7 | CIN |
| XXXXX | 1.15 | Jesse Flores | 100 | OAK |
| XXXXX | 1.14 | Bob Klinger | 70.3 | PIT |
| XXXXX | 1.04 | Roger Wolff | 87.3 | OAK |
| XXXXX | 0.94 | Early Wynn | 91 | MIN |
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