| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -6.7 | 192009050_BOS_MIN |
| Speed Martin | CHN | -4.06 | 192009061_CHN_PIT |
| Dutch Leonard | DET | -3.29 | 192009070_DET_CHA |
| Elam Vangilder | BAL | -3.15 | 192009050_BAL_CHA |
| Hank Thormahlen | NYA | -1.34 | 192009061_OAK_NYA |
Based on accumulated WAA for this season up to 1920-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.48 | Pete Alexander | 312 | CHN |
| +006+ | 7.55 | Burleigh Grimes | 264 | LAN |
| +007+ | 6.43 | Babe Adams | 233 | PIT |
| +008+ | 6.2 | Dutch Ruether | 253 | CIN |
| +012+ | 5.82 | Stan Coveleski | 264.3 | CLE |
| +014+ | 5.7 | Wilbur Cooper | 280.7 | PIT |
| +015+ | 5.65 | Hippo Vaughn | 267 | CHN |
| +016+ | 5.45 | Bob Shawkey | 221.3 | NYA |
| +017+ | 5.43 | Bill Doak | 237.7 | SLN |
| +024+ | 4.44 | Dolf Luque | 179 | CIN |
| +025+ | 4.33 | Leon Cadore | 222.3 | LAN |
| +027+ | 3.87 | Jesse Barnes | 257 | SFN |
| +031+ | 3.54 | Red Faber | 272 | CHA |
| +032+ | 3.53 | Jack Quinn | 234 | NYA |
| +036+ | 3.19 | Elmer Ponder | 161 | PIT |
| +041+ | 3.01 | Phil Douglas | 184 | SFN |
| +045+ | 2.65 | Lee Meadows | 202 | PHI |
| +046+ | 2.62 | Dave Keefe | 101.7 | OAK |
| +051+ | 2.5 | Fred Toney | 234 | SFN |
| +052+ | 2.43 | Rube Benton | 187.3 | SFN |
| +053+ | 2.41 | Dixie Davis | 220 | BAL |
| +054+ | 2.29 | Hod Eller | 156.7 | CIN |
| +055+ | 2.28 | Jim Bagby | 285.7 | CLE |
| +056+ | 2.19 | Harry Harper | 140 | BOS |
| +061+ | 1.95 | Dana Fillingim | 224 | ATL |
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