| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mort Cooper | SLN | 5.69 | 194306140_CIN_SLN |
| Spud Chandler | NYA | 4.99 | 194306140_NYA_MIN |
| Johnny Humphries | CHA | 4.89 | 194306150_BAL_CHA |
| Tex Hughson | BOS | 3.72 | 194306132_MIN_BOS |
| Whit Wyatt | LAN | 3.61 | 194306131_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Milnar | CLE | -4.94 | 194306131_BAL_CLE |
| Lum Harris | OAK | -4.86 | 194306151_OAK_BOS |
| Dick Newsome | BOS | -3.74 | 194306152_OAK_BOS |
| Steve Sundra | BAL | -1.9 | 194306150_BAL_CHA |
| Bill Dietrich | CHA | -1.81 | 194306131_CHA_DET |
Based on accumulated WAA for this season up to 1943-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.32 | Tex Hughson | 107 | BOS |
| +002+ | 3.21 | Mort Cooper | 99.7 | SLN |
| +003+ | 2.98 | Hal Newhouser | 65 | DET |
| +006+ | 2.46 | Johnny Niggeling | 74.3 | BAL |
| +007+ | 2.42 | Nate Andrews | 100.3 | ATL |
| +009+ | 2.22 | Tiny Bonham | 69.7 | NYA |
| +010+ | 2.18 | Spud Chandler | 83.3 | NYA |
| +011+ | 2.09 | Milo Candini | 34.3 | MIN |
| +015+ | 1.87 | Jack Kraus | 67.7 | PHI |
| +018+ | 1.64 | Al Smith | 60 | CLE |
| +020+ | 1.63 | Roger Wolff | 80.3 | OAK |
| +021+ | 1.63 | Denny Galehouse | 51.3 | BAL |
| +023+ | 1.57 | Howie Pollet | 66.3 | SLN |
| +024+ | 1.56 | Jesse Flores | 91 | OAK |
| +033+ | 1.35 | Max Lanier | 69.3 | SLN |
| +034+ | 1.35 | Virgil Trucks | 68.7 | DET |
| +036+ | 1.34 | Bob Muncrief | 41.7 | BAL |
| +039+ | 1.29 | Jack Hallett | 38.7 | PIT |
| XXXXX | 1.09 | Butch Wensloff | 60 | NYA |
| XXXXX | 1.08 | Early Wynn | 86.7 | MIN |
| XXXXX | 1.04 | Thornton Lee | 38.7 | CHA |
| XXXXX | 1.04 | Bobo Newsom | 78.7 | LAN |
| XXXXX | 1.01 | Schoolboy Rowe | 61.7 | PHI |
| XXXXX | 1 | Bob Klinger | 64 | PIT |
| XXXXX | 0.99 | Tommy Bridges | 60.7 | DET |
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