| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burleigh Grimes | LAN | 6.08 | 192009160_CIN_LAN |
| Babe Adams | PIT | 3.59 | 192009170_PIT_SFN |
| Bob Shawkey | NYA | 3.17 | 192009180_NYA_CHA |
| Dutch Ruether | CIN | 2.9 | 192009160_CIN_LAN |
| Stan Coveleski | CLE | 2.89 | 192009170_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -5.63 | 192009170_MIN_CLE |
| Bullet Joe Bush | BOS | -2.24 | 192009160_BOS_DET |
| Marv Goodwin | SLN | -1.98 | 192009161_SLN_ATL |
| Hank Thormahlen | NYA | -0.8 | 192009170_NYA_CHA |
| Ray Caldwell | CLE | -0.72 | 192009180_MIN_CLE |
Based on accumulated WAA for this season up to 1920-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.87 | Pete Alexander | 328.3 | CHN |
| +006+ | 8.93 | Burleigh Grimes | 292.7 | LAN |
| +010+ | 6.86 | Babe Adams | 249 | PIT |
| +011+ | 6.5 | Stan Coveleski | 291.3 | CLE |
| +014+ | 6.04 | Hippo Vaughn | 281.7 | CHN |
| +015+ | 5.88 | Dutch Ruether | 258.7 | CIN |
| +019+ | 5.3 | Bob Shawkey | 240.7 | NYA |
| +021+ | 5.2 | Dolf Luque | 197.3 | CIN |
| +023+ | 4.96 | Jesse Barnes | 274 | SFN |
| +024+ | 4.68 | Bill Doak | 258 | SLN |
| +026+ | 4.43 | Fred Toney | 262 | SFN |
| +031+ | 4.1 | Sherry Smith | 121.7 | LAN |
| +032+ | 4.08 | Leon Cadore | 244.3 | LAN |
| +034+ | 4.01 | Red Faber | 299 | CHA |
| +040+ | 3.13 | Phil Douglas | 200.7 | SFN |
| +043+ | 2.98 | Jim Bagby | 299.7 | CLE |
| +048+ | 2.51 | Elmer Ponder | 178 | PIT |
| +051+ | 2.38 | Dana Fillingim | 247 | ATL |
| +052+ | 2.33 | Eddie Rommel | 152.7 | OAK |
| +053+ | 2.33 | Lee Meadows | 225.7 | PHI |
| +054+ | 2.32 | Jack Quinn | 245.3 | NYA |
| +055+ | 2.27 | Carl Mays | 283 | NYA |
| +061+ | 2.09 | Ray Fisher | 176.7 | CIN |
| +064+ | 1.99 | Dixie Davis | 236 | BAL |
| +066+ | 1.93 | Hod Eller | 180 | CIN |
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