| Starter | Tm | Tier | Game |
|---|---|---|---|
| Spud Chandler | NYA | 8.84 | 194308292_BOS_NYA |
| Mort Cooper | SLN | 6.99 | 194308280_SLN_CIN |
| Tex Hughson | BOS | 5.14 | 194308291_BOS_NYA |
| Tommy Bridges | DET | 3.82 | 194308292_DET_BAL |
| Rip Sewell | PIT | 2.91 | 194308291_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Newsome | BOS | -4.15 | 194308280_BOS_NYA |
| Ken Chase | SFN | -3.62 | 194308291_SFN_ATL |
| Johnny Podgajny | PIT | -1.4 | 194308280_CHN_PIT |
| Ed Head | LAN | -1.23 | 194308292_LAN_PHI |
| Don Black | OAK | -1.02 | 194308291_OAK_MIN |
Based on accumulated WAA for this season up to 1943-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.43 | Spud Chandler | 208.3 | NYA |
| +004+ | 5.95 | Mort Cooper | 239 | SLN |
| +007+ | 5.26 | Tiny Bonham | 188.7 | NYA |
| +008+ | 5.09 | Tex Hughson | 227.7 | BOS |
| +010+ | 4.83 | Tommy Bridges | 162.7 | DET |
| +015+ | 4.3 | Rip Sewell | 230.3 | PIT |
| +016+ | 4.27 | Butch Wensloff | 178.7 | NYA |
| +017+ | 4.23 | Max Lanier | 160 | SLN |
| +021+ | 3.82 | Virgil Trucks | 157.7 | DET |
| +026+ | 3.7 | Hi Bithorn | 204.7 | CHN |
| +027+ | 3.56 | Milo Candini | 141 | MIN |
| +029+ | 3.43 | Denny Galehouse | 169.3 | BAL |
| +031+ | 3.34 | Elmer Riddle | 205.3 | CIN |
| +032+ | 3.23 | Dizzy Trout | 188 | DET |
| +033+ | 3.22 | Jim Tobin | 191 | ATL |
| +037+ | 2.98 | Schoolboy Rowe | 162 | PHI |
| +039+ | 2.91 | Early Wynn | 220.7 | MIN |
| +046+ | 2.61 | Nate Andrews | 218 | ATL |
| +047+ | 2.6 | Whit Wyatt | 129.3 | LAN |
| +048+ | 2.54 | Al Smith | 160.7 | CLE |
| +049+ | 2.53 | Bob Muncrief | 174 | BAL |
| +050+ | 2.44 | Hal Newhouser | 169.7 | DET |
| +051+ | 2.25 | Harry Brecheen | 96.7 | SLN |
| +052+ | 2.24 | Mickey Haefner | 124.3 | MIN |
| +055+ | 2.13 | Claude Passeau | 208.7 | CHN |
_