| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mort Cooper | SLN | 7.43 | 194308081_PIT_SLN |
| Spud Chandler | NYA | 7.29 | 194308081_NYA_OAK |
| Rip Sewell | PIT | 3.93 | 194308060_PIT_SLN |
| Elmer Riddle | CIN | 3.06 | 194308081_CIN_CHN |
| Tommy Bridges | DET | 2.95 | 194308082_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Newsome | BOS | -5.16 | 194308060_MIN_BOS |
| Ken Chase | SFN | -4.3 | 194308060_PHI_SFN |
| Bobo Newsom | BAL | -2.29 | 194308082_BAL_CLE |
| Jim Mertz | MIN | -1.28 | 194308070_MIN_BOS |
| Lum Harris | OAK | -1.12 | 194308081_NYA_OAK |
Based on accumulated WAA for this season up to 1943-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.4 | Tex Hughson | 187.7 | BOS |
| +002+ | 5.39 | Spud Chandler | 173 | NYA |
| +005+ | 4.9 | Mort Cooper | 196 | SLN |
| +007+ | 4.21 | Tiny Bonham | 152.3 | NYA |
| +010+ | 3.9 | Tommy Bridges | 135.7 | DET |
| +012+ | 3.79 | Hi Bithorn | 168.3 | CHN |
| +013+ | 3.79 | Early Wynn | 185.3 | MIN |
| +014+ | 3.76 | Rip Sewell | 190 | PIT |
| +019+ | 3.43 | Milo Candini | 113.7 | MIN |
| +020+ | 3.42 | Elmer Riddle | 175.7 | CIN |
| +022+ | 3.28 | Butch Wensloff | 145.7 | NYA |
| +025+ | 2.98 | Virgil Trucks | 123.7 | DET |
| +029+ | 2.83 | Schoolboy Rowe | 132 | PHI |
| +030+ | 2.78 | Max Lanier | 127 | SLN |
| +035+ | 2.67 | Bob Muncrief | 142.3 | BAL |
| +036+ | 2.63 | Al Smith | 126.7 | CLE |
| +042+ | 2.38 | Orval Grove | 119.7 | CHA |
| +045+ | 2.21 | Nate Andrews | 186 | ATL |
| +047+ | 2.19 | Hal Newhouser | 138 | DET |
| +048+ | 2.19 | Dizzy Trout | 151.7 | DET |
| +050+ | 2.13 | Denny Galehouse | 127.3 | BAL |
| +051+ | 2.06 | Red Barrett | 162.7 | ATL |
| +054+ | 2.01 | Claude Passeau | 172.3 | CHN |
| +055+ | 1.96 | Bob Klinger | 134 | PIT |
| +058+ | 1.88 | Vern Kennedy | 89.7 | CLE |
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