| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 7.8 | 192005080_CHN_PIT |
| Stan Coveleski | CLE | 4.91 | 192005090_CLE_CHA |
| Walter Johnson | MIN | 4.78 | 192005090_NYA_MIN |
| Dutch Ruether | CIN | 2.93 | 192005090_CIN_SLN |
| Babe Adams | PIT | 2.93 | 192005090_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ferdie Schupp | SLN | -4.36 | 192005080_CIN_SLN |
| Elmer Myers | CLE | -3.31 | 192005080_CLE_CHA |
| Red Causey | PHI | -1.34 | 192005100_PHI_PIT |
| Hooks Dauss | DET | -1.21 | 192005080_BAL_DET |
| Tom Zachary | MIN | -0.67 | 192005080_NYA_MIN |
Based on accumulated WAA for this season up to 1920-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.47 | Dutch Ruether | 65.7 | CIN |
| +003+ | 2.3 | Lefty Williams | 57 | CHA |
| +005+ | 1.95 | Dana Fillingim | 36 | ATL |
| +006+ | 1.76 | Hippo Vaughn | 56 | CHN |
| +007+ | 1.62 | Stan Coveleski | 61 | CLE |
| +009+ | 1.54 | Babe Adams | 51 | PIT |
| +011+ | 1.48 | Leon Cadore | 56.3 | LAN |
| XXXXX | 1.21 | Bob Shawkey | 45.7 | NYA |
| XXXXX | 1.08 | Jack Quinn | 41 | NYA |
| XXXXX | 1.04 | Eddie Cicotte | 27 | CHA |
| XXXXX | 1.02 | Bill Doak | 40 | SLN |
| XXXXX | 0.98 | Jim Bagby | 55 | CLE |
| XXXXX | 0.93 | Sherry Smith | 24 | LAN |
| XXXXX | 0.76 | Jesse Haines | 51.7 | SLN |
| XXXXX | 0.69 | Bullet Joe Bush | 37 | BOS |
| XXXXX | 0.68 | Clarence Mitchell | 27 | LAN |
| XXXXX | 0.67 | Hugh McQuillan | 24 | ATL |
| XXXXX | 0.64 | Phil Douglas | 17.3 | SFN |
| XXXXX | 0.63 | Hooks Dauss | 43.7 | DET |
| XXXXX | 0.62 | Allen Russell | 29.3 | BOS |
| XXXXX | 0.59 | Lee Meadows | 44 | PHI |
| XXXXX | 0.49 | Wilbur Cooper | 51 | PIT |
| XXXXX | 0.46 | Carl Mays | 35.3 | NYA |
| XXXXX | 0.44 | Dave Keefe | 10 | OAK |
| XXXXX | 0.43 | Claude Hendrix | 33.7 | CHN |
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