| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -5.38 | 192008120_MIN_CHA |
| Elmer Jacobs | SLN | -2.62 | 192008120_SLN_PHI |
| Elmer Myers | BOS | -1.36 | 192008132_BOS_OAK |
| Slim Harriss | OAK | -1.06 | 192008120_OAK_DET |
| Ray Caldwell | CLE | -0.99 | 192008130_NYA_CLE |
Based on accumulated WAA for this season up to 1920-08-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.67 | Pete Alexander | 259 | CHN |
| +005+ | 7.43 | Dutch Ruether | 233 | CIN |
| +006+ | 6.05 | Wilbur Cooper | 238.7 | PIT |
| +007+ | 5.97 | Burleigh Grimes | 218.3 | LAN |
| +010+ | 5.54 | Stan Coveleski | 224.3 | CLE |
| +011+ | 5.31 | Babe Adams | 190 | PIT |
| +012+ | 5.15 | Hippo Vaughn | 210 | CHN |
| +013+ | 4.68 | Red Faber | 226 | CHA |
| +015+ | 4.57 | Jack Quinn | 207.3 | NYA |
| +020+ | 4.21 | Bob Shawkey | 175 | NYA |
| +022+ | 3.89 | Dolf Luque | 163 | CIN |
| +024+ | 3.65 | Leon Cadore | 178 | LAN |
| +032+ | 3.12 | Harry Harper | 117 | BOS |
| +033+ | 3.11 | Phil Douglas | 141 | SFN |
| +034+ | 3.08 | Urban Shocker | 208.3 | BAL |
| +035+ | 3 | Bill Doak | 189.7 | SLN |
| +039+ | 2.44 | Jesse Haines | 222 | SLN |
| +040+ | 2.42 | Elmer Ponder | 117 | PIT |
| +044+ | 2.19 | Sherry Smith | 92.3 | LAN |
| +047+ | 2.1 | George Smith | 177.7 | PHI |
| +048+ | 2.02 | Eddie Cicotte | 224.3 | CHA |
| +051+ | 2 | Howard Ehmke | 189 | DET |
| +052+ | 1.99 | Eppa Rixey | 222.7 | PHI |
| +053+ | 1.98 | Jim Bagby | 237.3 | CLE |
| +055+ | 1.94 | Lee Meadows | 157.7 | PHI |
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