| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rip Sewell | PIT | 3.93 | 194308060_PIT_SLN |
| Hal Newhouser | DET | 1.81 | 194308070_CHA_DET |
| Max Lanier | SLN | 1.79 | 194308060_PIT_SLN |
| Whit Wyatt | LAN | 1.77 | 194308060_ATL_LAN |
| Hi Bithorn | CHN | 1.76 | 194308050_CIN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Newsome | BOS | -5.16 | 194308060_MIN_BOS |
| Ken Chase | SFN | -4.3 | 194308060_PHI_SFN |
| Jim Mertz | MIN | -1.28 | 194308070_MIN_BOS |
| Bucky Walters | CIN | -0.92 | 194308050_CIN_CHN |
| Steve Sundra | BAL | -0.62 | 194308070_BAL_CLE |
Based on accumulated WAA for this season up to 1943-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.35 | Tex Hughson | 187.7 | BOS |
| +002+ | 5.34 | Mort Cooper | 188.7 | SLN |
| +004+ | 4.67 | Spud Chandler | 164 | NYA |
| +007+ | 4.28 | Tiny Bonham | 145.3 | NYA |
| +011+ | 3.68 | Rip Sewell | 190 | PIT |
| +013+ | 3.65 | Hi Bithorn | 167 | CHN |
| +015+ | 3.48 | Elmer Riddle | 169 | CIN |
| +016+ | 3.4 | Milo Candini | 105.7 | MIN |
| +018+ | 3.29 | Early Wynn | 177 | MIN |
| +020+ | 3.25 | Butch Wensloff | 145.7 | NYA |
| +022+ | 3.17 | Tommy Bridges | 126.7 | DET |
| +027+ | 2.85 | Bob Muncrief | 133.7 | BAL |
| +030+ | 2.8 | Schoolboy Rowe | 132 | PHI |
| +031+ | 2.68 | Virgil Trucks | 114.7 | DET |
| +032+ | 2.67 | Max Lanier | 126 | SLN |
| +033+ | 2.65 | Al Smith | 126.7 | CLE |
| +040+ | 2.33 | Orval Grove | 119.7 | CHA |
| +044+ | 2.15 | Hal Newhouser | 138 | DET |
| +045+ | 2.15 | Dizzy Trout | 151.7 | DET |
| +046+ | 2.14 | Denny Galehouse | 127.3 | BAL |
| +052+ | 2.02 | Red Barrett | 162.7 | ATL |
| +055+ | 1.89 | Vern Kennedy | 89.7 | CLE |
| +056+ | 1.88 | Nate Andrews | 177 | ATL |
| +057+ | 1.78 | Claude Passeau | 164.7 | CHN |
| +059+ | 1.76 | Hank Borowy | 142.7 | NYA |
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