| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Ruether | CIN | 7.81 | 192007270_CIN_LAN |
| Hippo Vaughn | CHN | 4.55 | 192007281_CHN_ATL |
| Wilbur Cooper | PIT | 3.05 | 192007281_PIT_PHI |
| Burleigh Grimes | LAN | 2.36 | 192007280_CIN_LAN |
| Bob Shawkey | NYA | 1.94 | 192007280_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -2.21 | 192007282_PIT_PHI |
| Dutch Leonard | DET | -1.97 | 192007270_CHA_DET |
| Sad Sam Jones | BOS | -1.64 | 192007260_BOS_NYA |
| Al Schacht | MIN | -0.97 | 192007280_MIN_DET |
| Slim Harriss | OAK | -0.76 | 192007280_OAK_CHA |
Based on accumulated WAA for this season up to 1920-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.08 | Pete Alexander | 229.3 | CHN |
| +004+ | 7.36 | Dutch Ruether | 213 | CIN |
| +006+ | 5.35 | Burleigh Grimes | 183 | LAN |
| +008+ | 4.73 | Hippo Vaughn | 177 | CHN |
| +009+ | 4.71 | Bob Shawkey | 144.7 | NYA |
| +012+ | 4.32 | Wilbur Cooper | 204.7 | PIT |
| +013+ | 4.29 | Stan Coveleski | 189.3 | CLE |
| +016+ | 3.98 | Jack Quinn | 179.3 | NYA |
| +017+ | 3.86 | Red Faber | 188 | CHA |
| +020+ | 3.61 | Jesse Haines | 198 | SLN |
| +021+ | 3.59 | Babe Adams | 166 | PIT |
| +025+ | 3.37 | Al Mamaux | 127.7 | LAN |
| +030+ | 3.08 | Urban Shocker | 183.3 | BAL |
| +031+ | 2.8 | Dolf Luque | 127 | CIN |
| +034+ | 2.58 | Eppa Rixey | 187 | PHI |
| +037+ | 2.44 | Lee Meadows | 141.3 | PHI |
| +041+ | 2.26 | Harry Harper | 92 | BOS |
| +044+ | 2.19 | Phil Douglas | 115 | SFN |
| +047+ | 1.97 | Jim Bagby | 212.3 | CLE |
| +050+ | 1.85 | Dana Fillingim | 155.7 | ATL |
| +051+ | 1.84 | Dixie Davis | 135 | BAL |
| +056+ | 1.66 | Elmer Ponder | 93.3 | PIT |
| +057+ | 1.65 | Joe Oeschger | 177.3 | ATL |
| +060+ | 1.57 | Bill Doak | 158.7 | SLN |
| +063+ | 1.46 | Scott Perry | 179 | OAK |
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