| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 8.16 | 192008240_ATL_CHN |
| Dutch Ruether | CIN | 4.71 | 192008230_PHI_CIN |
| Burleigh Grimes | LAN | 4.22 | 192008240_LAN_PIT |
| Jack Quinn | NYA | 1.69 | 192008220_DET_NYA |
| Urban Shocker | BAL | 1.14 | 192008232_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -7.72 | 192008240_CHA_MIN |
| Dutch Leonard | DET | -2.28 | 192008230_DET_NYA |
| Lefty Williams | CHA | -2.2 | 192008220_CHA_MIN |
| Bullet Joe Bush | BOS | -2.14 | 192008240_CLE_BOS |
| Roy Moore | OAK | -1.83 | 192008232_BAL_OAK |
Based on accumulated WAA for this season up to 1920-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.19 | Pete Alexander | 286 | CHN |
| +006+ | 6.78 | Dutch Ruether | 245.7 | CIN |
| +007+ | 6.72 | Burleigh Grimes | 241 | LAN |
| +009+ | 5.99 | Babe Adams | 208 | PIT |
| +010+ | 5.52 | Hippo Vaughn | 230 | CHN |
| +011+ | 5.44 | Wilbur Cooper | 254.7 | PIT |
| +013+ | 5.19 | Stan Coveleski | 240.3 | CLE |
| +020+ | 4.36 | Urban Shocker | 236.3 | BAL |
| +023+ | 4.19 | Dolf Luque | 171 | CIN |
| +024+ | 4.17 | Bill Doak | 210.7 | SLN |
| +025+ | 4.07 | Bob Shawkey | 193 | NYA |
| +028+ | 3.66 | Jack Quinn | 218.7 | NYA |
| +031+ | 3.48 | Leon Cadore | 188.3 | LAN |
| +032+ | 3.42 | Harry Harper | 133 | BOS |
| +034+ | 3.11 | Red Faber | 247 | CHA |
| +036+ | 2.87 | Elmer Ponder | 136 | PIT |
| +041+ | 2.53 | Eddie Cicotte | 242.3 | CHA |
| +043+ | 2.4 | Phil Douglas | 162.3 | SFN |
| +044+ | 2.33 | Dixie Davis | 185.7 | BAL |
| +047+ | 2.28 | Fred Toney | 211 | SFN |
| +048+ | 2.18 | Jesse Barnes | 223 | SFN |
| +058+ | 1.8 | Howard Ehmke | 214 | DET |
| +059+ | 1.79 | Jim Bagby | 258 | CLE |
| +062+ | 1.73 | Eppa Rixey | 236 | PHI |
| +064+ | 1.7 | Jesse Haines | 238 | SLN |
_