| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burleigh Grimes | LAN | 4.75 | 192009030_PHI_LAN |
| Wilbur Cooper | PIT | 3.45 | 192009010_SFN_PIT |
| Hippo Vaughn | CHN | 3.03 | 192009030_CHN_PIT |
| Stan Coveleski | CLE | 2.89 | 192009030_DET_CLE |
| Bob Shawkey | NYA | 1.93 | 192009020_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -4.88 | 192009030_MIN_OAK |
| Dutch Leonard | DET | -4.55 | 192009030_DET_CLE |
| Carl Weilman | BAL | -1.63 | 192009010_BAL_NYA |
| Slim Harriss | OAK | -1.23 | 192009020_DET_OAK |
| Dick Rudolph | ATL | -0.34 | 192009030_ATL_SFN |
Based on accumulated WAA for this season up to 1920-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.83 | Pete Alexander | 303 | CHN |
| +005+ | 7.76 | Burleigh Grimes | 258 | LAN |
| +008+ | 6.2 | Hippo Vaughn | 260 | CHN |
| +010+ | 5.99 | Babe Adams | 221 | PIT |
| +011+ | 5.94 | Stan Coveleski | 264.3 | CLE |
| +012+ | 5.79 | Wilbur Cooper | 272.7 | PIT |
| +017+ | 5.25 | Bill Doak | 228.7 | SLN |
| +020+ | 4.66 | Bob Shawkey | 210.3 | NYA |
| +021+ | 4.53 | Dolf Luque | 179 | CIN |
| +022+ | 4.34 | Urban Shocker | 245.7 | BAL |
| +029+ | 3.64 | Jack Quinn | 234 | NYA |
| +032+ | 3.4 | Red Faber | 263 | CHA |
| +033+ | 3.32 | Jesse Barnes | 249 | SFN |
| +037+ | 3.11 | Elmer Ponder | 154 | PIT |
| +038+ | 3.06 | Dixie Davis | 211.7 | BAL |
| +039+ | 2.98 | Leon Cadore | 204.3 | LAN |
| +042+ | 2.67 | Dave Keefe | 93.7 | OAK |
| +044+ | 2.57 | Fred Toney | 234 | SFN |
| +048+ | 2.36 | Phil Douglas | 175 | SFN |
| +049+ | 2.36 | Lee Meadows | 195 | PHI |
| +052+ | 2.26 | Jim Bagby | 276 | CLE |
| +053+ | 2.17 | Rube Benton | 180.7 | SFN |
| +056+ | 2.11 | Jesse Haines | 253 | SLN |
| +057+ | 2.06 | Hod Eller | 144.7 | CIN |
| +064+ | 1.86 | Howard Ehmke | 230.3 | DET |
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