| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tex Hughson | BOS | 8.64 | 194308170_BOS_BAL |
| Mort Cooper | SLN | 6.69 | 194308160_SLN_LAN |
| Tiny Bonham | NYA | 5.64 | 194308151_NYA_CHA |
| Tommy Bridges | DET | 3.67 | 194308152_OAK_DET |
| Rip Sewell | PIT | 2.77 | 194308152_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Chase | SFN | -3.48 | 194308170_CIN_SFN |
| Bobo Newsom | BAL | -3.1 | 194308160_BOS_BAL |
| Ed Head | LAN | -1.41 | 194308170_SLN_LAN |
| Lum Harris | OAK | -1.29 | 194308151_OAK_DET |
| Johnny Gee | PIT | -1.01 | 194308160_PIT_ATL |
Based on accumulated WAA for this season up to 1943-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.26 | Tex Hughson | 201.7 | BOS |
| +002+ | 6.16 | Spud Chandler | 182 | NYA |
| +006+ | 4.8 | Rip Sewell | 208 | PIT |
| +007+ | 4.8 | Hi Bithorn | 186.3 | CHN |
| +009+ | 4.59 | Mort Cooper | 210.3 | SLN |
| +010+ | 4.56 | Tiny Bonham | 161.3 | NYA |
| +012+ | 4.38 | Tommy Bridges | 144.7 | DET |
| +014+ | 4.11 | Butch Wensloff | 163.7 | NYA |
| +016+ | 3.75 | Milo Candini | 122.7 | MIN |
| +017+ | 3.75 | Elmer Riddle | 184.7 | CIN |
| +019+ | 3.63 | Max Lanier | 143 | SLN |
| +022+ | 3.41 | Schoolboy Rowe | 150 | PHI |
| +024+ | 3.26 | Early Wynn | 191.3 | MIN |
| +027+ | 3.13 | Al Smith | 135.7 | CLE |
| +033+ | 2.88 | Virgil Trucks | 130.7 | DET |
| +035+ | 2.81 | Bob Muncrief | 149.3 | BAL |
| +036+ | 2.8 | Dizzy Trout | 173.3 | DET |
| +041+ | 2.55 | Denny Galehouse | 143.3 | BAL |
| +048+ | 2.28 | Bob Klinger | 143 | PIT |
| +049+ | 2.25 | Hal Newhouser | 147 | DET |
| +051+ | 2.16 | Vern Kennedy | 98.7 | CLE |
| +053+ | 2.1 | Whit Wyatt | 105.7 | LAN |
| +065+ | 1.67 | Claude Passeau | 181.3 | CHN |
| +067+ | 1.63 | Red Barrett | 177 | ATL |
| +068+ | 1.62 | Mel Harder | 72.7 | CLE |
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