| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 6.89 | 192008090_CHN_LAN |
| Dutch Ruether | CIN | 5.87 | 192008101_CIN_ATL |
| Wilbur Cooper | PIT | 3.48 | 192008090_PIT_SFN |
| Burleigh Grimes | LAN | 2.85 | 192008090_CHN_LAN |
| Red Faber | CHA | 1.46 | 192008100_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -4.65 | 192008092_MIN_CHA |
| Lefty Williams | CHA | -1.84 | 192008092_MIN_CHA |
| Bullet Joe Bush | BOS | -1.23 | 192008100_BOS_BAL |
| Doc Ayers | DET | -1.14 | 192008090_OAK_DET |
| Red Causey | PHI | -0.84 | 192008090_SLN_PHI |
Based on accumulated WAA for this season up to 1920-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.74 | Pete Alexander | 259 | CHN |
| +005+ | 7.54 | Dutch Ruether | 233 | CIN |
| +008+ | 5.87 | Stan Coveleski | 217.3 | CLE |
| +009+ | 5.81 | Wilbur Cooper | 229.7 | PIT |
| +010+ | 5.73 | Burleigh Grimes | 209.3 | LAN |
| +011+ | 5.31 | Hippo Vaughn | 201 | CHN |
| +012+ | 4.74 | Red Faber | 226 | CHA |
| +014+ | 4.64 | Babe Adams | 181 | PIT |
| +019+ | 4.28 | Bob Shawkey | 167.7 | NYA |
| +020+ | 4.1 | Jack Quinn | 198.3 | NYA |
| +023+ | 3.75 | Dolf Luque | 160.3 | CIN |
| +024+ | 3.69 | Leon Cadore | 178 | LAN |
| +031+ | 3.15 | Phil Douglas | 141 | SFN |
| +033+ | 3.14 | Harry Harper | 117 | BOS |
| +032+ | 3.14 | Urban Shocker | 208.3 | BAL |
| +035+ | 3.04 | Bill Doak | 189.7 | SLN |
| +036+ | 2.87 | Sherry Smith | 90 | LAN |
| +042+ | 2.48 | Jesse Haines | 222 | SLN |
| +043+ | 2.45 | Elmer Ponder | 117 | PIT |
| +044+ | 2.43 | Eppa Rixey | 214.7 | PHI |
| +048+ | 2.06 | Howard Ehmke | 189 | DET |
| +049+ | 2.05 | Jim Bagby | 237.3 | CLE |
| +050+ | 1.98 | Joe Oeschger | 200.3 | ATL |
| +051+ | 1.97 | Lee Meadows | 157.7 | PHI |
| +060+ | 1.71 | Dixie Davis | 170.7 | BAL |
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