| Starter | Tm | Tier | Game |
|---|---|---|---|
| Burleigh Grimes | LAN | 6.08 | 192009160_CIN_LAN |
| Babe Adams | PIT | 3.59 | 192009170_PIT_SFN |
| Dutch Ruether | CIN | 2.9 | 192009160_CIN_LAN |
| Stan Coveleski | CLE | 2.89 | 192009170_MIN_CLE |
| Hippo Vaughn | CHN | 2.48 | 192009160_CHN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Courtney | MIN | -5.63 | 192009170_MIN_CLE |
| Speed Martin | CHN | -3.54 | 192009150_CHN_LAN |
| Bullet Joe Bush | BOS | -2.24 | 192009160_BOS_DET |
| Marv Goodwin | SLN | -1.98 | 192009161_SLN_ATL |
| Carl Weilman | BAL | -1.32 | 192009150_BOS_BAL |
Based on accumulated WAA for this season up to 1920-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.76 | Pete Alexander | 328.3 | CHN |
| +005+ | 8.91 | Burleigh Grimes | 291 | LAN |
| +008+ | 7.08 | Wilbur Cooper | 298.7 | PIT |
| +009+ | 6.75 | Babe Adams | 249 | PIT |
| +013+ | 6.4 | Stan Coveleski | 291.3 | CLE |
| +014+ | 6.35 | Bob Shawkey | 239.3 | NYA |
| +015+ | 5.94 | Hippo Vaughn | 281.7 | CHN |
| +017+ | 5.79 | Dutch Ruether | 258.7 | CIN |
| +020+ | 5.13 | Dolf Luque | 197.3 | CIN |
| +023+ | 4.87 | Jesse Barnes | 274 | SFN |
| +024+ | 4.63 | Bill Doak | 258 | SLN |
| +026+ | 4.34 | Fred Toney | 262 | SFN |
| +029+ | 4.24 | Sherry Smith | 121.3 | LAN |
| +033+ | 3.99 | Leon Cadore | 244.3 | LAN |
| +034+ | 3.91 | Red Faber | 299 | CHA |
| +041+ | 2.93 | Phil Douglas | 199 | SFN |
| +043+ | 2.87 | Jim Bagby | 299.7 | CLE |
| +044+ | 2.77 | Lee Meadows | 219 | PHI |
| +047+ | 2.57 | Elmer Ponder | 177 | PIT |
| +055+ | 2.28 | Lefty Tyler | 171.3 | CHN |
| +057+ | 2.27 | Dana Fillingim | 238 | ATL |
| +056+ | 2.27 | Eddie Rommel | 152.7 | OAK |
| +058+ | 2.23 | Jack Quinn | 240.3 | NYA |
| +059+ | 2.15 | Carl Mays | 283 | NYA |
| +060+ | 2.1 | Dave Keefe | 111.7 | OAK |
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