| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -3.67 | 192009282_MIN_BOS |
| Carl Weilman | BAL | -1.6 | 192009290_CLE_BAL |
| Slim Harriss | OAK | -1.48 | 192009291_NYA_OAK |
| Ray Caldwell | CLE | -1.41 | 192010012_CLE_DET |
| Doc Ayers | DET | -0.73 | 192010012_CLE_DET |
Based on accumulated WAA for this season up to 1920-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 13.11 | Pete Alexander | 363.3 | CHN |
| +006+ | 8.54 | Wilbur Cooper | 323.7 | PIT |
| +007+ | 8.12 | Burleigh Grimes | 298.7 | LAN |
| +011+ | 7.38 | Babe Adams | 261 | PIT |
| +012+ | 7.31 | Stan Coveleski | 315 | CLE |
| +014+ | 6.01 | Bob Shawkey | 268.7 | NYA |
| +017+ | 5.84 | Hippo Vaughn | 294 | CHN |
| +022+ | 5.25 | Bill Doak | 270 | SLN |
| +023+ | 5.17 | Jesse Barnes | 293 | SFN |
| +025+ | 4.82 | Fred Toney | 278 | SFN |
| +026+ | 4.77 | Sherry Smith | 135.7 | LAN |
| +030+ | 4.35 | Dolf Luque | 207.3 | CIN |
| +031+ | 4.35 | Leon Cadore | 253.3 | LAN |
| +033+ | 4.18 | Jim Bagby | 330.7 | CLE |
| +035+ | 3.85 | Phil Douglas | 228.7 | SFN |
| +039+ | 3.51 | Red Faber | 319 | CHA |
| +040+ | 3.5 | Elmer Ponder | 196 | PIT |
| +042+ | 3.32 | Lee Meadows | 243.7 | PHI |
| +045+ | 3.25 | Carl Mays | 312 | NYA |
| +049+ | 2.84 | Ray Fisher | 193.7 | CIN |
| +052+ | 2.75 | Jesse Haines | 302.3 | SLN |
| +055+ | 2.59 | Eddie Rommel | 174 | OAK |
| +061+ | 2.41 | Duster Mails | 63.3 | CLE |
| +062+ | 2.38 | Buddy Napier | 43 | CIN |
| +063+ | 2.28 | Hod Eller | 210.3 | CIN |
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