| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mort Cooper | SLN | 6.69 | 194308160_SLN_LAN |
| Tiny Bonham | NYA | 5.64 | 194308151_NYA_CHA |
| Tommy Bridges | DET | 3.67 | 194308152_OAK_DET |
| Elmer Riddle | CIN | 2.96 | 194308141_CIN_LAN |
| Rip Sewell | PIT | 2.77 | 194308152_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | BAL | -3.1 | 194308160_BOS_BAL |
| Johnnie Wittig | SFN | -2.23 | 194308160_CIN_SFN |
| Lum Harris | OAK | -1.29 | 194308151_OAK_DET |
| Bucky Walters | CIN | -1.16 | 194308142_CIN_LAN |
| Bill Lohrman | LAN | -1.16 | 194308142_CIN_LAN |
Based on accumulated WAA for this season up to 1943-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.62 | Tex Hughson | 195.7 | BOS |
| +002+ | 6.15 | Spud Chandler | 182 | NYA |
| +006+ | 4.79 | Hi Bithorn | 186.3 | CHN |
| +007+ | 4.74 | Rip Sewell | 207 | PIT |
| +009+ | 4.58 | Mort Cooper | 210.3 | SLN |
| +010+ | 4.55 | Tiny Bonham | 161.3 | NYA |
| +011+ | 4.37 | Tommy Bridges | 144.7 | DET |
| +015+ | 3.82 | Butch Wensloff | 154.7 | NYA |
| +017+ | 3.74 | Elmer Riddle | 184.7 | CIN |
| +016+ | 3.74 | Milo Candini | 122.7 | MIN |
| +018+ | 3.62 | Max Lanier | 143 | SLN |
| +021+ | 3.41 | Schoolboy Rowe | 150 | PHI |
| +025+ | 3.25 | Early Wynn | 191.3 | MIN |
| +027+ | 3.12 | Al Smith | 135.7 | CLE |
| +031+ | 2.87 | Virgil Trucks | 130.7 | DET |
| +035+ | 2.8 | Bob Muncrief | 149.3 | BAL |
| +036+ | 2.75 | Dizzy Trout | 164.7 | DET |
| +041+ | 2.54 | Denny Galehouse | 143.3 | BAL |
| +047+ | 2.29 | Bob Klinger | 143 | PIT |
| +049+ | 2.27 | Nate Andrews | 193 | ATL |
| +050+ | 2.24 | Hal Newhouser | 147 | DET |
| +052+ | 2.16 | Vern Kennedy | 98.7 | CLE |
| +054+ | 2.09 | Whit Wyatt | 105.7 | LAN |
| +063+ | 1.66 | Claude Passeau | 181.3 | CHN |
| +064+ | 1.65 | Red Barrett | 177 | ATL |
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