| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 9.23 | 192007290_CHN_ATL |
| Stan Coveleski | CLE | 3.52 | 192007290_BOS_CLE |
| Wilbur Cooper | PIT | 3.02 | 192007311_PIT_ATL |
| Jack Quinn | NYA | 1.73 | 192007291_NYA_BAL |
| Leon Cadore | LAN | 1.65 | 192007290_CIN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.35 | 192007291_MIN_DET |
| Red Oldham | DET | -2.78 | 192007291_MIN_DET |
| Elmer Jacobs | SLN | -2.23 | 192007310_SLN_LAN |
| Lefty Williams | CHA | -1.68 | 192007291_OAK_CHA |
| Bullet Joe Bush | BOS | -1.36 | 192007300_BOS_CLE |
Based on accumulated WAA for this season up to 1920-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.82 | Pete Alexander | 236.3 | CHN |
| +004+ | 7.53 | Dutch Ruether | 213 | CIN |
| +007+ | 5.5 | Burleigh Grimes | 183 | LAN |
| +009+ | 5 | Hippo Vaughn | 186 | CHN |
| +010+ | 4.84 | Wilbur Cooper | 213.7 | PIT |
| +011+ | 4.84 | Bob Shawkey | 144.7 | NYA |
| +013+ | 4.54 | Stan Coveleski | 198.3 | CLE |
| +017+ | 3.98 | Leon Cadore | 163.7 | LAN |
| +018+ | 3.97 | Jack Quinn | 187.3 | NYA |
| +021+ | 3.78 | Babe Adams | 166 | PIT |
| +023+ | 3.73 | Red Faber | 198 | CHA |
| +025+ | 3.45 | Jesse Haines | 204 | SLN |
| +028+ | 3.2 | Dolf Luque | 136 | CIN |
| +032+ | 2.83 | Eppa Rixey | 196 | PHI |
| +035+ | 2.48 | Dana Fillingim | 164.7 | ATL |
| +036+ | 2.35 | Harry Harper | 92 | BOS |
| +039+ | 2.3 | Phil Douglas | 115.3 | SFN |
| +040+ | 2.28 | Urban Shocker | 192.3 | BAL |
| +041+ | 2.27 | Al Mamaux | 131 | LAN |
| +042+ | 2.26 | Dixie Davis | 144 | BAL |
| +044+ | 2.12 | Jim Bagby | 212.3 | CLE |
| +046+ | 2.06 | Lee Meadows | 145.7 | PHI |
| +051+ | 1.88 | Joe Oeschger | 178.3 | ATL |
| +057+ | 1.73 | Hod Eller | 78.7 | CIN |
| +060+ | 1.61 | Elmer Ponder | 99.3 | PIT |
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