| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 10.4 | 192008310_PHI_CHN |
| Babe Adams | PIT | 4.26 | 192008310_SFN_PIT |
| Bob Shawkey | NYA | 1.93 | 192009020_NYA_BOS |
| Jesse Barnes | SFN | 0.63 | 192009020_SFN_PIT |
| Eddie Cicotte | CHA | 0.37 | 192008310_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bullet Joe Bush | BOS | -1.89 | 192008310_CHA_BOS |
| Carl Weilman | BAL | -1.63 | 192009010_BAL_NYA |
| Red Oldham | DET | -1.32 | 192009020_DET_OAK |
| Slim Harriss | OAK | -1.23 | 192009020_DET_OAK |
| Eric Erickson | MIN | -0.34 | 192008310_CLE_MIN |
Based on accumulated WAA for this season up to 1920-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.94 | Pete Alexander | 303 | CHN |
| +005+ | 7.08 | Burleigh Grimes | 249 | LAN |
| +008+ | 6.06 | Babe Adams | 221 | PIT |
| +010+ | 5.88 | Wilbur Cooper | 272.7 | PIT |
| +013+ | 5.47 | Hippo Vaughn | 247 | CHN |
| +014+ | 5.45 | Stan Coveleski | 255.3 | CLE |
| +016+ | 5.27 | Bill Doak | 228.7 | SLN |
| +020+ | 4.68 | Bob Shawkey | 210.3 | NYA |
| +022+ | 4.37 | Urban Shocker | 245.7 | BAL |
| +028+ | 3.72 | Jack Quinn | 227 | NYA |
| +031+ | 3.34 | Jesse Barnes | 249 | SFN |
| +033+ | 3.2 | Red Faber | 255 | CHA |
| +035+ | 3.16 | Elmer Ponder | 154 | PIT |
| +037+ | 3 | Leon Cadore | 204.3 | LAN |
| +041+ | 2.67 | Dave Keefe | 93.7 | OAK |
| +042+ | 2.56 | Dixie Davis | 202.7 | BAL |
| +043+ | 2.53 | Harry Harper | 136 | BOS |
| +046+ | 2.37 | Phil Douglas | 175 | SFN |
| +047+ | 2.36 | Lee Meadows | 195 | PHI |
| +048+ | 2.3 | Fred Toney | 225 | SFN |
| +049+ | 2.29 | Jim Bagby | 276 | CLE |
| +051+ | 2.19 | Rube Benton | 180.7 | SFN |
| +053+ | 2.13 | Jesse Haines | 253 | SLN |
| +054+ | 2.07 | Hod Eller | 144.7 | CIN |
| +063+ | 1.88 | Howard Ehmke | 230.3 | DET |
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