| Starter | Tm | Tier | Game |
|---|---|---|---|
| Spud Chandler | NYA | 5.84 | 194306190_BOS_NYA |
| Mort Cooper | SLN | 5.72 | 194306190_CHN_SLN |
| Johnny Vander Meer | CIN | 5.05 | 194306201_CIN_PIT |
| Johnny Humphries | CHA | 3.67 | 194306191_CLE_CHA |
| Whit Wyatt | LAN | 3.18 | 194306200_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Chase | SFN | -4.29 | 194306210_SFN_LAN |
| Bill Dietrich | CHA | -2.59 | 194306202_CLE_CHA |
| Chubby Dean | CLE | -1.82 | 194306192_CLE_CHA |
| Charlie Fuchs | PHI | -1.45 | 194306190_PHI_LAN |
| Bobo Newsom | LAN | -1.28 | 194306210_SFN_LAN |
Based on accumulated WAA for this season up to 1943-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.96 | Tex Hughson | 116 | BOS |
| +002+ | 3.81 | Mort Cooper | 109.7 | SLN |
| +003+ | 3.76 | Hal Newhouser | 77.3 | DET |
| +005+ | 3 | Spud Chandler | 92.3 | NYA |
| +006+ | 2.77 | Milo Candini | 45.3 | MIN |
| +008+ | 2.41 | Jack Kraus | 75.7 | PHI |
| +010+ | 2.35 | Johnny Niggeling | 83 | BAL |
| +011+ | 2.3 | Tiny Bonham | 72 | NYA |
| +013+ | 2.24 | Denny Galehouse | 67.3 | BAL |
| +015+ | 2.17 | Bobo Newsom | 96.7 | LAN |
| +017+ | 2.08 | Nate Andrews | 109.3 | ATL |
| +022+ | 1.86 | Howie Pollet | 82.3 | SLN |
| +023+ | 1.84 | Virgil Trucks | 77 | DET |
| +024+ | 1.82 | Schoolboy Rowe | 70.7 | PHI |
| +026+ | 1.72 | Max Lanier | 77.3 | SLN |
| +028+ | 1.57 | Bob Muncrief | 55.3 | BAL |
| +034+ | 1.44 | Tommy Bridges | 68.7 | DET |
| +035+ | 1.44 | Jack Hallett | 45.7 | PIT |
| +042+ | 1.31 | Al Smith | 63.3 | CLE |
| XXXXX | 1.24 | Ed Heusser | 30.7 | CIN |
| XXXXX | 1.15 | Jesse Flores | 100 | OAK |
| XXXXX | 1.14 | Bob Klinger | 70.3 | PIT |
| XXXXX | 1.12 | Elmer Riddle | 93.7 | CIN |
| XXXXX | 1.04 | Roger Wolff | 87.3 | OAK |
| XXXXX | 0.94 | Early Wynn | 91 | MIN |
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