| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | DET | -3.23 | 192008190_DET_BOS |
| Jim Shaw | MIN | -2.49 | 192008180_BAL_MIN |
| Lefty Williams | CHA | -2.46 | 192008180_CHA_OAK |
| Bullet Joe Bush | BOS | -1.75 | 192008190_DET_BOS |
| Ray Caldwell | CLE | -1.23 | 192008190_CLE_NYA |
Based on accumulated WAA for this season up to 1920-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.82 | Pete Alexander | 277 | CHN |
| +005+ | 6.84 | Dutch Ruether | 242.7 | CIN |
| +007+ | 6.77 | Burleigh Grimes | 233 | LAN |
| +009+ | 5.57 | Stan Coveleski | 233.3 | CLE |
| +010+ | 5.38 | Hippo Vaughn | 219 | CHN |
| +011+ | 5.34 | Babe Adams | 199 | PIT |
| +012+ | 5.23 | Wilbur Cooper | 245.7 | PIT |
| +016+ | 4.53 | Jack Quinn | 215.3 | NYA |
| +020+ | 4.26 | Bob Shawkey | 184 | NYA |
| +021+ | 4.25 | Dolf Luque | 171 | CIN |
| +024+ | 3.96 | Red Faber | 241 | CHA |
| +025+ | 3.7 | Urban Shocker | 227.3 | BAL |
| +026+ | 3.67 | Bill Doak | 200.7 | SLN |
| +031+ | 3.36 | Harry Harper | 126 | BOS |
| +035+ | 2.98 | Howard Ehmke | 207 | DET |
| +036+ | 2.91 | Elmer Ponder | 136 | PIT |
| +043+ | 2.28 | Phil Douglas | 157.3 | SFN |
| +044+ | 2.21 | Jesse Haines | 230 | SLN |
| +045+ | 2.14 | Sherry Smith | 92.3 | LAN |
| +046+ | 2.13 | Lee Meadows | 175.3 | PHI |
| +047+ | 2.08 | Eddie Cicotte | 233.3 | CHA |
| +050+ | 1.98 | Jesse Barnes | 214 | SFN |
| +052+ | 1.9 | George Smith | 190.7 | PHI |
| +055+ | 1.82 | Dave Keefe | 75.7 | OAK |
| +061+ | 1.74 | Jim Bagby | 245.7 | CLE |
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