| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Cooper | PIT | 3.69 | 192009230_CIN_PIT |
| Dutch Ruether | CIN | 2.37 | 192009222_CIN_PIT |
| Sherry Smith | LAN | 0.95 | 192009220_ATL_LAN |
| Red Faber | CHA | 0.95 | 192009240_CHA_CLE |
| Jim Bagby | CLE | 0.71 | 192009230_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -3.03 | 192009242_MIN_NYA |
| Red Causey | PHI | -1.34 | 192009220_SLN_PHI |
| Roy Crumpler | DET | -0.21 | 192009240_BAL_DET |
| Herb Pennock | BOS | -0.19 | 192009240_OAK_BOS |
| Ferdie Schupp | SLN | -0.15 | 192009240_SLN_PIT |
Based on accumulated WAA for this season up to 1920-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.49 | Pete Alexander | 337.3 | CHN |
| +006+ | 8.96 | Burleigh Grimes | 292.7 | LAN |
| +007+ | 7.98 | Wilbur Cooper | 315.7 | PIT |
| +009+ | 7.62 | Babe Adams | 258 | PIT |
| +013+ | 6.97 | Stan Coveleski | 299.3 | CLE |
| +015+ | 5.92 | Dutch Ruether | 265.7 | CIN |
| +017+ | 5.62 | Bob Shawkey | 249.7 | NYA |
| +018+ | 5.55 | Hippo Vaughn | 285 | CHN |
| +022+ | 5.16 | Fred Toney | 271 | SFN |
| +024+ | 5.11 | Bill Doak | 263 | SLN |
| +025+ | 4.82 | Sherry Smith | 130.7 | LAN |
| +026+ | 4.58 | Leon Cadore | 250.3 | LAN |
| +029+ | 4.39 | Red Faber | 316 | CHA |
| +030+ | 4.32 | Dolf Luque | 206.3 | CIN |
| +032+ | 4.19 | Jesse Barnes | 280 | SFN |
| +034+ | 4.1 | Jim Bagby | 315.7 | CLE |
| +036+ | 3.83 | Phil Douglas | 214.7 | SFN |
| +041+ | 3.26 | Elmer Ponder | 187 | PIT |
| +051+ | 2.65 | Carl Mays | 303 | NYA |
| +052+ | 2.62 | Dixie Davis | 254 | BAL |
| +054+ | 2.55 | Eddie Rommel | 165 | OAK |
| +055+ | 2.49 | Dana Fillingim | 255 | ATL |
| +056+ | 2.38 | Ray Fisher | 184.7 | CIN |
| +060+ | 2.32 | Jack Quinn | 245.3 | NYA |
| +063+ | 2.15 | Duster Mails | 47 | CLE |
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