| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | CHN | 11.3 | 192010010_SLN_CHN |
| Wilbur Cooper | PIT | 5.37 | 192010021_CIN_PIT |
| Burleigh Grimes | LAN | 4.8 | 192010020_LAN_SFN |
| Fred Toney | SFN | 1.48 | 192010012_LAN_SFN |
| Jim Bagby | CLE | 1.01 | 192010020_CLE_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -3.88 | 192010021_MIN_OAK |
| Ray Caldwell | CLE | -1.41 | 192010012_CLE_DET |
| Doc Ayers | DET | -0.73 | 192010012_CLE_DET |
| Bob Hasty | OAK | -0.66 | 192010030_OAK_MIN |
| Ferdie Schupp | SLN | -0.42 | 192010020_SLN_CHN |
Based on accumulated WAA for this season up to 1920-10-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 13.17 | Pete Alexander | 363.3 | CHN |
| +007+ | 8.13 | Burleigh Grimes | 303.7 | LAN |
| +011+ | 7.38 | Wilbur Cooper | 326 | PIT |
| +012+ | 7.37 | Stan Coveleski | 315 | CLE |
| +014+ | 6.45 | Hippo Vaughn | 301 | CHN |
| +015+ | 6.05 | Bob Shawkey | 268.7 | NYA |
| +022+ | 5.25 | Bill Doak | 270 | SLN |
| +024+ | 4.87 | Fred Toney | 278 | SFN |
| +026+ | 4.79 | Sherry Smith | 135.7 | LAN |
| +027+ | 4.76 | Jim Bagby | 339.7 | CLE |
| +035+ | 3.89 | Phil Douglas | 228.7 | SFN |
| +038+ | 3.58 | Red Faber | 319 | CHA |
| +042+ | 3.39 | Ray Fisher | 202.7 | CIN |
| +043+ | 3.35 | Lee Meadows | 243.7 | PHI |
| +044+ | 3.3 | Carl Mays | 312 | NYA |
| +051+ | 2.75 | Jesse Haines | 302.3 | SLN |
| +059+ | 2.45 | Buddy Napier | 49 | CIN |
| +060+ | 2.43 | Duster Mails | 63.3 | CLE |
| +062+ | 2.32 | Hod Eller | 210.3 | CIN |
| +072+ | 1.94 | Jack Quinn | 254.3 | NYA |
| +073+ | 1.89 | Dana Fillingim | 271.3 | ATL |
| +074+ | 1.88 | Dixie Davis | 268.7 | BAL |
| +077+ | 1.79 | Jeff Pfeffer | 215 | LAN |
| +084+ | 1.47 | Eddie Cicotte | 303.3 | CHA |
| +085+ | 1.46 | Harry Harper | 162.7 | BOS |
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