| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tex Hughson | BOS | 10.26 | 194307301_DET_BOS |
| Tiny Bonham | NYA | 8.39 | 194307300_CLE_NYA |
| Mort Cooper | SLN | 6.49 | 194307300_PHI_SLN |
| Claude Passeau | CHN | 3.34 | 194307281_LAN_CHN |
| Elmer Riddle | CIN | 3.09 | 194307301_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Newsome | BOS | -6.29 | 194307282_DET_BOS |
| Bobo Newsom | BAL | -2.48 | 194307300_BAL_OAK |
| Rube Melton | LAN | -1.61 | 194307300_LAN_CHN |
| Carl Hubbell | SFN | -1.12 | 194307280_SFN_PIT |
| Al Gerheauser | PHI | -0.65 | 194307300_PHI_SLN |
Based on accumulated WAA for this season up to 1943-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.2 | Tex Hughson | 187.7 | BOS |
| +002+ | 5.1 | Mort Cooper | 179.7 | SLN |
| +005+ | 4.35 | Tiny Bonham | 137.3 | NYA |
| +007+ | 4.09 | Rip Sewell | 173 | PIT |
| +009+ | 4.02 | Spud Chandler | 155 | NYA |
| +013+ | 3.76 | Elmer Riddle | 160.3 | CIN |
| +015+ | 3.68 | Tommy Bridges | 121.7 | DET |
| +016+ | 3.38 | Hi Bithorn | 160 | CHN |
| +020+ | 3.19 | Bob Muncrief | 121.7 | BAL |
| +021+ | 3.09 | Early Wynn | 168.7 | MIN |
| +024+ | 2.97 | Al Smith | 113 | CLE |
| +030+ | 2.62 | Schoolboy Rowe | 123.3 | PHI |
| +031+ | 2.62 | Butch Wensloff | 128.3 | NYA |
| +032+ | 2.6 | Milo Candini | 96.7 | MIN |
| +037+ | 2.24 | Denny Galehouse | 120.3 | BAL |
| +039+ | 2.12 | Nels Potter | 85.7 | BAL |
| +040+ | 2.11 | Hank Wyse | 77.3 | CHN |
| +043+ | 2.03 | Virgil Trucks | 108 | DET |
| +044+ | 1.97 | Jim Bagby | 185 | CLE |
| +046+ | 1.91 | Mel Harder | 49.7 | CLE |
| +047+ | 1.89 | Hank Borowy | 135.3 | NYA |
| +048+ | 1.83 | Ray Starr | 170.7 | CIN |
| +053+ | 1.73 | Red Barrett | 158 | ATL |
| +056+ | 1.72 | Orval Grove | 102.7 | CHA |
| +060+ | 1.62 | Vern Kennedy | 84.3 | CLE |
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