| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tex Hughson | BOS | 3.72 | 194309150_BOS_MIN |
| Hi Bithorn | CHN | 2.52 | 194309160_CHN_SLN |
| Jim Tobin | ATL | 2.01 | 194309161_PHI_ATL |
| Al Smith | CLE | 1.4 | 194309142_CLE_BAL |
| Milo Candini | MIN | 1.07 | 194309140_BOS_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lum Harris | OAK | -2.22 | 194309160_OAK_NYA |
| Dick Newsome | BOS | -2.12 | 194309140_BOS_MIN |
| Rex Barney | LAN | -1.31 | 194309140_LAN_ATL |
| Al Hollingsworth | BAL | -1.28 | 194309150_CLE_BAL |
| Marius Russo | NYA | -0.95 | 194309160_OAK_NYA |
Based on accumulated WAA for this season up to 1943-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.79 | Spud Chandler | 226.3 | NYA |
| +004+ | 6.31 | Mort Cooper | 250 | SLN |
| +007+ | 5.58 | Tiny Bonham | 206.7 | NYA |
| +009+ | 5.4 | Tommy Bridges | 180.7 | DET |
| +010+ | 5.38 | Max Lanier | 186.3 | SLN |
| +015+ | 4.81 | Rip Sewell | 256.3 | PIT |
| +016+ | 4.52 | Elmer Riddle | 232.3 | CIN |
| +017+ | 4.47 | Tex Hughson | 247 | BOS |
| +021+ | 4.27 | Butch Wensloff | 200.7 | NYA |
| +025+ | 3.84 | Nate Andrews | 245 | ATL |
| +026+ | 3.77 | Whit Wyatt | 156.3 | LAN |
| +029+ | 3.67 | Milo Candini | 156 | MIN |
| +031+ | 3.46 | Early Wynn | 238.7 | MIN |
| +034+ | 3.36 | Hi Bithorn | 220.7 | CHN |
| +038+ | 3.17 | Al Smith | 184.7 | CLE |
| +040+ | 2.95 | Dizzy Trout | 211.3 | DET |
| +041+ | 2.95 | Vern Kennedy | 133 | CLE |
| +042+ | 2.91 | Mickey Haefner | 138.3 | MIN |
| +047+ | 2.77 | Schoolboy Rowe | 185.3 | PHI |
| +048+ | 2.77 | Denny Galehouse | 190 | BAL |
| +049+ | 2.74 | Bob Muncrief | 187 | BAL |
| +050+ | 2.69 | Al Brazle | 62 | SLN |
| +052+ | 2.66 | Harry Brecheen | 121.3 | SLN |
| +054+ | 2.56 | Nels Potter | 147.3 | BAL |
| +056+ | 2.46 | Johnny Niggeling | 183.3 | TOT |
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