| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 6.13 | 192005050_NYA_MIN |
| Stan Coveleski | CLE | 4.42 | 192005050_CLE_CHA |
| Carl Mays | NYA | 3.59 | 192005050_NYA_MIN |
| Allen Sothoron | BAL | 2.9 | 192005070_BAL_DET |
| Dutch Ruether | CIN | 2.14 | 192005050_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ferdie Schupp | SLN | -3.23 | 192005070_CIN_SLN |
| Eppa Rixey | PHI | -1.96 | 192005050_ATL_PHI |
| Walt Kinney | OAK | -1.61 | 192005050_OAK_BOS |
| Ernie Shore | NYA | -1.05 | 192005070_NYA_MIN |
| Sad Sam Jones | BOS | -0.94 | 192005060_OAK_BOS |
Based on accumulated WAA for this season up to 1920-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.3 | Lefty Williams | 57 | CHA |
| +002+ | 2.28 | Joe Oeschger | 54.7 | ATL |
| +003+ | 1.92 | Dana Fillingim | 36 | ATL |
| +004+ | 1.87 | Dutch Ruether | 56.7 | CIN |
| +011+ | 1.42 | Babe Adams | 50 | PIT |
| +013+ | 1.41 | Stan Coveleski | 52 | CLE |
| XXXXX | 1.14 | Hippo Vaughn | 47 | CHN |
| XXXXX | 1.12 | Bob Shawkey | 38.7 | NYA |
| XXXXX | 1.05 | Eddie Cicotte | 18 | CHA |
| XXXXX | 1.05 | Bill Doak | 37 | SLN |
| XXXXX | 0.98 | Jim Bagby | 46 | CLE |
| XXXXX | 0.85 | Lee Meadows | 36 | PHI |
| XXXXX | 0.83 | Burleigh Grimes | 33.7 | LAN |
| XXXXX | 0.78 | Fred Toney | 30.7 | SFN |
| XXXXX | 0.68 | Bullet Joe Bush | 37 | BOS |
| XXXXX | 0.67 | Clarence Mitchell | 27 | LAN |
| XXXXX | 0.66 | Jack Quinn | 32.3 | NYA |
| XXXXX | 0.65 | Hugh McQuillan | 24 | ATL |
| XXXXX | 0.64 | Phil Douglas | 17.3 | SFN |
| XXXXX | 0.62 | Hooks Dauss | 34.7 | DET |
| XXXXX | 0.61 | Allen Russell | 29.3 | BOS |
| XXXXX | 0.6 | Sherry Smith | 18.3 | LAN |
| XXXXX | 0.55 | Red Faber | 32 | CHA |
| XXXXX | 0.46 | Herb Pennock | 30.3 | BOS |
| XXXXX | 0.44 | Dave Keefe | 10 | OAK |
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