| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 8.97 | 192005150_ATL_CHN |
| Stan Coveleski | CLE | 5.42 | 192005150_CLE_NYA |
| Walter Johnson | MIN | 4.64 | 192005160_BAL_MIN |
| Dutch Ruether | CIN | 4.18 | 192005140_PHI_CIN |
| Carl Mays | NYA | 3.66 | 192005160_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Causey | PHI | -1.96 | 192005150_PHI_CIN |
| Harry Courtney | MIN | -0.83 | 192005150_BAL_MIN |
| Jack Scott | ATL | -0.76 | 192005140_ATL_CHN |
| Art Nehf | SFN | -0.7 | 192005150_SFN_PIT |
| Elmer Jacobs | SLN | -0.7 | 192005150_LAN_SLN |
Based on accumulated WAA for this season up to 1920-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.74 | Dutch Ruether | 72.7 | CIN |
| +002+ | 2.5 | Hippo Vaughn | 65 | CHN |
| +004+ | 2.08 | Dana Fillingim | 52 | ATL |
| +005+ | 1.97 | Babe Adams | 59 | PIT |
| +006+ | 1.89 | Stan Coveleski | 69 | CLE |
| +007+ | 1.82 | Joe Oeschger | 61.7 | ATL |
| +008+ | 1.8 | Jack Quinn | 50 | NYA |
| +009+ | 1.59 | Leon Cadore | 56.3 | LAN |
| +010+ | 1.53 | Pete Alexander | 72 | CHN |
| +011+ | 1.51 | Burleigh Grimes | 47.7 | LAN |
| +013+ | 1.32 | Jim Bagby | 64 | CLE |
| XXXXX | 1.24 | Hank Thormahlen | 36.7 | NYA |
| XXXXX | 1.11 | Eddie Cicotte | 27 | CHA |
| XXXXX | 1.04 | Bill Doak | 40 | SLN |
| XXXXX | 1.04 | Walt Kinney | 50 | OAK |
| XXXXX | 0.92 | Herb Pennock | 39.3 | BOS |
| XXXXX | 0.87 | Bob Shawkey | 51.7 | NYA |
| XXXXX | 0.85 | Red Faber | 46.7 | CHA |
| XXXXX | 0.8 | Allen Russell | 34.3 | BOS |
| XXXXX | 0.76 | Jesse Haines | 60.7 | SLN |
| XXXXX | 0.7 | Lefty Williams | 62 | CHA |
| XXXXX | 0.63 | Hooks Dauss | 45.3 | DET |
| XXXXX | 0.63 | Dixie Davis | 22.7 | BAL |
| XXXXX | 0.6 | Lee Meadows | 44 | PHI |
| XXXXX | 0.58 | Wilbur Cooper | 51 | PIT |
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