| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 8.16 | 192008240_ATL_CHN |
| Burleigh Grimes | LAN | 4.22 | 192008240_LAN_PIT |
| Babe Adams | PIT | 3.57 | 192008260_ATL_PIT |
| Stan Coveleski | CLE | 2.9 | 192008250_CLE_OAK |
| Bob Shawkey | NYA | 1.46 | 192008240_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -7.72 | 192008240_CHA_MIN |
| Carl Weilman | BAL | -2.14 | 192008260_BAL_BOS |
| Bullet Joe Bush | BOS | -2.14 | 192008240_CLE_BOS |
| Red Oldham | DET | -1.69 | 192008262_DET_MIN |
| Slim Harriss | OAK | -1.6 | 192008250_CLE_OAK |
Based on accumulated WAA for this season up to 1920-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 9.14 | Pete Alexander | 286 | CHN |
| +006+ | 6.75 | Dutch Ruether | 245.7 | CIN |
| +007+ | 6.69 | Burleigh Grimes | 241 | LAN |
| +008+ | 6.45 | Babe Adams | 217 | PIT |
| +011+ | 5.41 | Wilbur Cooper | 254.7 | PIT |
| +012+ | 5.33 | Stan Coveleski | 247.3 | CLE |
| +013+ | 5.28 | Hippo Vaughn | 238 | CHN |
| +017+ | 4.64 | Bill Doak | 219.7 | SLN |
| +021+ | 4.34 | Urban Shocker | 236.3 | BAL |
| +023+ | 4.16 | Dolf Luque | 171 | CIN |
| +025+ | 4.04 | Bob Shawkey | 193 | NYA |
| +029+ | 3.62 | Jack Quinn | 218.7 | NYA |
| +030+ | 3.52 | Leon Cadore | 197.3 | LAN |
| +032+ | 3.4 | Harry Harper | 133 | BOS |
| +035+ | 3.07 | Red Faber | 247 | CHA |
| +039+ | 2.72 | Elmer Ponder | 145 | PIT |
| +041+ | 2.55 | Phil Douglas | 164.3 | SFN |
| +042+ | 2.51 | Jesse Barnes | 230 | SFN |
| +043+ | 2.49 | Eddie Cicotte | 242.3 | CHA |
| +047+ | 2.3 | Dave Keefe | 84.7 | OAK |
| +051+ | 2.13 | Fred Toney | 214.7 | SFN |
| +055+ | 2.05 | Al Mamaux | 162 | LAN |
| +057+ | 2.02 | Hod Eller | 125.7 | CIN |
| +060+ | 1.79 | Jim Bagby | 258 | CLE |
| +063+ | 1.73 | Howard Ehmke | 214.3 | DET |
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