| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tex Hughson | BOS | 8.77 | 194308130_BOS_CHA |
| Spud Chandler | NYA | 8.15 | 194308130_NYA_BAL |
| 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 |
|---|---|---|---|
| Johnnie Wittig | SFN | -1.52 | 194308141_SLN_SFN |
| Lum Harris | OAK | -1.29 | 194308151_OAK_DET |
| Bill Lohrman | LAN | -1.16 | 194308142_CIN_LAN |
| Bucky Walters | CIN | -1.16 | 194308142_CIN_LAN |
| Chubby Dean | CLE | -0.85 | 194308140_OAK_CLE |
Based on accumulated WAA for this season up to 1943-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.61 | Tex Hughson | 195.7 | BOS |
| +002+ | 6.15 | Spud Chandler | 182 | NYA |
| +006+ | 5.41 | Mort Cooper | 205 | SLN |
| +007+ | 4.78 | Hi Bithorn | 186.3 | CHN |
| +008+ | 4.74 | Rip Sewell | 207 | PIT |
| +010+ | 4.55 | Tiny Bonham | 161.3 | NYA |
| +011+ | 4.37 | Tommy Bridges | 144.7 | DET |
| +015+ | 3.82 | Butch Wensloff | 154.7 | NYA |
| +016+ | 3.74 | Milo Candini | 122.7 | MIN |
| +017+ | 3.74 | Elmer Riddle | 184.7 | CIN |
| +019+ | 3.6 | Max Lanier | 143 | SLN |
| +022+ | 3.33 | Schoolboy Rowe | 141 | PHI |
| +025+ | 3.25 | Early Wynn | 191.3 | MIN |
| +026+ | 3.13 | Al Smith | 135.7 | CLE |
| +032+ | 2.88 | Virgil Trucks | 130.7 | DET |
| +033+ | 2.8 | Bob Muncrief | 149.3 | BAL |
| +037+ | 2.75 | Dizzy Trout | 164.7 | DET |
| +042+ | 2.55 | Denny Galehouse | 143.3 | BAL |
| +046+ | 2.29 | Bob Klinger | 143 | PIT |
| +047+ | 2.27 | Nate Andrews | 193 | ATL |
| +048+ | 2.24 | Hal Newhouser | 147 | DET |
| +050+ | 2.16 | Vern Kennedy | 98.7 | CLE |
| +053+ | 2.01 | Whit Wyatt | 96.7 | LAN |
| +063+ | 1.65 | Red Barrett | 177 | ATL |
| +064+ | 1.65 | Claude Passeau | 181.3 | CHN |
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