| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wilbur Cooper | PIT | 4.45 | 192009281_PIT_CIN |
| Stan Coveleski | CLE | 3.1 | 192009290_CLE_BAL |
| Bob Shawkey | NYA | 2.3 | 192009292_NYA_OAK |
| Dolf Luque | CIN | 0.99 | 192009281_PIT_CIN |
| Lee Meadows | PHI | 0.28 | 192009292_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -3.67 | 192009282_MIN_BOS |
| Speed Martin | CHN | -2.54 | 192009270_SLN_CHN |
| Sad Sam Jones | BOS | -2.28 | 192009271_MIN_BOS |
| Carl Weilman | BAL | -1.6 | 192009290_CLE_BAL |
| Slim Harriss | OAK | -1.48 | 192009291_NYA_OAK |
Based on accumulated WAA for this season up to 1920-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 12.09 | Pete Alexander | 346.3 | CHN |
| +006+ | 8.52 | Wilbur Cooper | 323.7 | PIT |
| +007+ | 8.07 | Burleigh Grimes | 298.7 | LAN |
| +011+ | 7.36 | Babe Adams | 261 | PIT |
| +012+ | 7.28 | Stan Coveleski | 315 | CLE |
| +014+ | 5.99 | Bob Shawkey | 268.7 | NYA |
| +015+ | 5.96 | Hippo Vaughn | 294 | CHN |
| +022+ | 5.34 | Bill Doak | 270 | SLN |
| +023+ | 5.03 | Fred Toney | 273 | SFN |
| +025+ | 4.83 | Jesse Barnes | 289 | SFN |
| +026+ | 4.78 | Sherry Smith | 130.7 | LAN |
| +028+ | 4.49 | Leon Cadore | 250.3 | LAN |
| +031+ | 4.34 | Dolf Luque | 207.3 | CIN |
| +032+ | 4.28 | Red Faber | 316 | CHA |
| +035+ | 3.98 | Jim Bagby | 328.7 | CLE |
| +036+ | 3.75 | Phil Douglas | 219.7 | SFN |
| +039+ | 3.49 | Elmer Ponder | 196 | PIT |
| +040+ | 3.31 | Lee Meadows | 243.7 | PHI |
| +045+ | 3.23 | Carl Mays | 312 | NYA |
| +049+ | 2.83 | Ray Fisher | 193.7 | CIN |
| +053+ | 2.58 | Eddie Rommel | 174 | OAK |
| +059+ | 2.38 | Buddy Napier | 43 | CIN |
| +061+ | 2.35 | Dixie Davis | 259.7 | BAL |
| +062+ | 2.27 | Hod Eller | 210.3 | CIN |
| +066+ | 2.04 | Art Nehf | 280.3 | SFN |
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