| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | DET | -3.23 | 192008190_DET_BOS |
| Bullet Joe Bush | BOS | -1.75 | 192008190_DET_BOS |
| Ray Caldwell | CLE | -1.23 | 192008190_CLE_NYA |
| Slim Harriss | OAK | -0.95 | 192008201_CHA_OAK |
| Tom Zachary | MIN | -0.69 | 192008210_CHA_MIN |
Based on accumulated WAA for this season up to 1920-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.77 | Pete Alexander | 277 | CHN |
| +006+ | 6.8 | Dutch Ruether | 242.7 | CIN |
| +007+ | 6.74 | Burleigh Grimes | 233 | LAN |
| +009+ | 6.02 | Babe Adams | 208 | PIT |
| +010+ | 5.48 | Wilbur Cooper | 254.7 | PIT |
| +011+ | 5.34 | Hippo Vaughn | 219 | CHN |
| +012+ | 5.29 | Stan Coveleski | 240.3 | CLE |
| +018+ | 4.49 | Jack Quinn | 215.3 | NYA |
| +020+ | 4.22 | Bob Shawkey | 184 | NYA |
| +022+ | 4.22 | Dolf Luque | 171 | CIN |
| +024+ | 3.92 | Red Faber | 241 | CHA |
| +025+ | 3.66 | Urban Shocker | 227.3 | BAL |
| +027+ | 3.64 | Bill Doak | 200.7 | SLN |
| +031+ | 3.34 | Harry Harper | 126 | BOS |
| +035+ | 2.94 | Howard Ehmke | 207 | DET |
| +036+ | 2.89 | Elmer Ponder | 136 | PIT |
| +038+ | 2.56 | Eddie Cicotte | 242.3 | CHA |
| +045+ | 2.25 | Phil Douglas | 157.3 | SFN |
| +046+ | 2.24 | Jesse Barnes | 223 | SFN |
| +048+ | 2.12 | Lee Meadows | 175.3 | PHI |
| +047+ | 2.12 | Sherry Smith | 92.3 | LAN |
| +053+ | 1.91 | Jesse Haines | 232 | SLN |
| +054+ | 1.88 | George Smith | 190.7 | PHI |
| +056+ | 1.81 | Dave Keefe | 75.7 | OAK |
| +059+ | 1.74 | Eppa Rixey | 236 | PHI |
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