| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 7.7 | 192008030_CHN_PHI |
| Burleigh Grimes | LAN | 3.45 | 192008050_PIT_LAN |
| Wilbur Cooper | PIT | 3.11 | 192008040_PIT_ATL |
| Bob Shawkey | NYA | 2.03 | 192008050_NYA_DET |
| Red Faber | CHA | 0.92 | 192008030_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.59 | 192008050_MIN_BAL |
| Bullet Joe Bush | BOS | -1.9 | 192008040_BOS_DET |
| Red Causey | PHI | -1.67 | 192008040_CHN_PHI |
| Dutch Leonard | DET | -1.45 | 192008040_BOS_DET |
| Carl Weilman | BAL | -1.32 | 192008040_OAK_BAL |
Based on accumulated WAA for this season up to 1920-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.35 | Pete Alexander | 246.3 | CHN |
| +004+ | 7.23 | Dutch Ruether | 220 | CIN |
| +008+ | 5.66 | Burleigh Grimes | 202 | LAN |
| +009+ | 5.48 | Wilbur Cooper | 222.7 | PIT |
| +010+ | 5.2 | Stan Coveleski | 207.3 | CLE |
| +011+ | 5.18 | Hippo Vaughn | 194 | CHN |
| +013+ | 4.7 | Jack Quinn | 196.3 | NYA |
| +016+ | 4.18 | Red Faber | 207 | CHA |
| +017+ | 4.1 | Bob Shawkey | 158.7 | NYA |
| +021+ | 3.98 | Dolf Luque | 153.7 | CIN |
| +022+ | 3.8 | Leon Cadore | 170 | LAN |
| +023+ | 3.77 | Babe Adams | 172 | PIT |
| +030+ | 2.92 | Eppa Rixey | 206 | PHI |
| +031+ | 2.87 | Jesse Haines | 210 | SLN |
| +032+ | 2.81 | Urban Shocker | 202.3 | BAL |
| +034+ | 2.67 | Phil Douglas | 123 | SFN |
| +037+ | 2.61 | Harry Harper | 100.7 | BOS |
| +040+ | 2.52 | Dixie Davis | 153 | BAL |
| +041+ | 2.44 | Dana Fillingim | 172.7 | ATL |
| +042+ | 2.44 | Al Mamaux | 133.7 | LAN |
| +046+ | 2.26 | Joe Oeschger | 186.3 | ATL |
| +049+ | 2 | Lee Meadows | 145.7 | PHI |
| +051+ | 1.87 | Bill Doak | 173.7 | SLN |
| +050+ | 1.87 | Elmer Ponder | 108.3 | PIT |
| +060+ | 1.69 | Jim Bagby | 218.3 | CLE |
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