| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mort Cooper | SLN | 7.43 | 194308081_PIT_SLN |
| Spud Chandler | NYA | 7.29 | 194308081_NYA_OAK |
| Elmer Riddle | CIN | 3.06 | 194308081_CIN_CHN |
| Tommy Bridges | DET | 2.95 | 194308082_CHA_DET |
| Rip Sewell | PIT | 2.45 | 194308111_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Newsome | BOS | -5.82 | 194308100_BOS_CHA |
| Bobo Newsom | BAL | -2.29 | 194308082_BAL_CLE |
| Lum Harris | OAK | -1.12 | 194308081_NYA_OAK |
| Bill Lohrman | LAN | -1.1 | 194308080_ATL_LAN |
| Johnny Gee | PIT | -0.77 | 194308081_PIT_SLN |
Based on accumulated WAA for this season up to 1943-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.4 | Tex Hughson | 187.7 | BOS |
| +002+ | 5.4 | Spud Chandler | 173 | NYA |
| +004+ | 4.88 | Mort Cooper | 196 | SLN |
| +006+ | 4.5 | Hi Bithorn | 177.3 | CHN |
| +007+ | 4.22 | Tiny Bonham | 152.3 | NYA |
| +009+ | 4.18 | Rip Sewell | 198 | PIT |
| +013+ | 3.88 | Tommy Bridges | 135.7 | DET |
| +014+ | 3.78 | Early Wynn | 185.3 | MIN |
| +021+ | 3.42 | Elmer Riddle | 175.7 | CIN |
| +020+ | 3.42 | Milo Candini | 113.7 | MIN |
| +022+ | 3.31 | Schoolboy Rowe | 141 | PHI |
| +023+ | 3.29 | Butch Wensloff | 145.7 | NYA |
| +025+ | 3.1 | Al Smith | 135.7 | CLE |
| +026+ | 3.09 | Max Lanier | 134 | SLN |
| +028+ | 2.96 | Virgil Trucks | 123.7 | DET |
| +033+ | 2.66 | Bob Muncrief | 142.3 | BAL |
| +038+ | 2.44 | Dizzy Trout | 160.7 | DET |
| +039+ | 2.4 | Denny Galehouse | 136.3 | BAL |
| +045+ | 2.32 | Red Barrett | 171.7 | ATL |
| +048+ | 2.18 | Nate Andrews | 186 | ATL |
| +049+ | 2.17 | Hal Newhouser | 138 | DET |
| +052+ | 2.01 | Whit Wyatt | 96.7 | LAN |
| +053+ | 2 | Claude Passeau | 172.3 | CHN |
| +055+ | 1.96 | Bob Klinger | 134 | PIT |
| +057+ | 1.87 | Vern Kennedy | 89.7 | CLE |
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