| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tex Hughson | BOS | 8.32 | 194307251_BAL_BOS |
| Tiny Bonham | NYA | 8.26 | 194307251_CHA_NYA |
| Mort Cooper | SLN | 6.17 | 194307260_ATL_SLN |
| Elmer Riddle | CIN | 2.91 | 194307251_PHI_CIN |
| Curt Davis | LAN | 2.57 | 194307260_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | BAL | -2.24 | 194307240_BAL_BOS |
| Johnnie Wittig | SFN | -1.66 | 194307260_SFN_CHN |
| Bill Dietrich | CHA | -1.48 | 194307251_CHA_NYA |
| Jim Mertz | MIN | -1.1 | 194307252_CLE_MIN |
| Rube Melton | LAN | -1.04 | 194307240_LAN_PIT |
Based on accumulated WAA for this season up to 1943-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.96 | Tex Hughson | 186 | BOS |
| +002+ | 4.63 | Mort Cooper | 168.7 | SLN |
| +003+ | 4.49 | Tiny Bonham | 128.3 | NYA |
| +007+ | 4.11 | Spud Chandler | 151 | NYA |
| +009+ | 3.95 | Rip Sewell | 164 | PIT |
| +011+ | 3.77 | Hal Newhouser | 132.7 | DET |
| +013+ | 3.64 | Tommy Bridges | 119.7 | DET |
| +016+ | 3.26 | Hi Bithorn | 151 | CHN |
| +018+ | 3.14 | Bob Muncrief | 121.7 | BAL |
| +021+ | 2.99 | Elmer Riddle | 151.3 | CIN |
| +022+ | 2.94 | Al Smith | 107.7 | CLE |
| +026+ | 2.75 | Schoolboy Rowe | 115 | PHI |
| +028+ | 2.6 | Butch Wensloff | 128.3 | NYA |
| +029+ | 2.59 | Denny Galehouse | 114.3 | BAL |
| +030+ | 2.53 | Early Wynn | 159.7 | MIN |
| +038+ | 2.24 | Claude Passeau | 148.7 | CHN |
| +037+ | 2.24 | Milo Candini | 92.7 | MIN |
| +039+ | 2.23 | Vern Kennedy | 81.7 | CLE |
| +045+ | 2 | Jim Bagby | 178 | CLE |
| +047+ | 1.8 | Hank Wyse | 68.3 | CHN |
| +049+ | 1.76 | Ray Starr | 162.7 | CIN |
| +053+ | 1.66 | Orval Grove | 102.7 | CHA |
| +054+ | 1.62 | Mel Harder | 40.7 | CLE |
| +055+ | 1.62 | Bob Klinger | 116.3 | PIT |
| +061+ | 1.51 | Hank Borowy | 122.3 | NYA |
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