| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Chase | SFN | -7.5 | 194307052_PIT_SFN |
| Lum Harris | OAK | -3.33 | 194307052_OAK_CLE |
| Bobo Newsom | LAN | -1.91 | 194307051_CHN_LAN |
| Bill Dietrich | CHA | -1.7 | 194307051_BOS_CHA |
| Bill Zuber | NYA | -1.03 | 194307052_NYA_BAL |
Based on accumulated WAA for this season up to 1943-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.16 | Tex Hughson | 149 | BOS |
| +002+ | 4.69 | Hal Newhouser | 115.7 | DET |
| +003+ | 4.05 | Milo Candini | 76.3 | MIN |
| +004+ | 3.52 | Tiny Bonham | 101.3 | NYA |
| +008+ | 3.15 | Mort Cooper | 130.7 | SLN |
| +010+ | 3.08 | Howie Pollet | 109.3 | SLN |
| +012+ | 2.89 | Schoolboy Rowe | 94.7 | PHI |
| +013+ | 2.87 | Elmer Riddle | 121.7 | CIN |
| +016+ | 2.6 | Spud Chandler | 123 | NYA |
| +018+ | 2.44 | Al Smith | 89.3 | CLE |
| +019+ | 2.43 | Rip Sewell | 125 | PIT |
| +020+ | 2.3 | Bob Muncrief | 90.7 | BAL |
| +022+ | 2.24 | Curt Davis | 57 | LAN |
| +024+ | 2.21 | Tommy Bridges | 92.7 | DET |
| +026+ | 2.09 | Virgil Trucks | 97 | DET |
| +027+ | 2.05 | Max Lanier | 86.3 | SLN |
| +029+ | 2.02 | Butch Wensloff | 95.3 | NYA |
| +031+ | 1.97 | Red Barrett | 116 | ATL |
| +032+ | 1.95 | Early Wynn | 124 | MIN |
| +038+ | 1.81 | Johnny Niggeling | 104 | BAL |
| +042+ | 1.71 | Oscar Judd | 115.3 | BOS |
| +050+ | 1.4 | Nate Andrews | 133.7 | ATL |
| +054+ | 1.36 | Hi Bithorn | 115 | CHN |
| +055+ | 1.32 | Orval Grove | 70.3 | CHA |
| +056+ | 1.3 | Denny Galehouse | 91.3 | BAL |
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