| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 3.57 | 192109090_CHN_PIT |
| St. Louis Cardinals | SLN | 1.24 | 192109090_SLN_CIN |
| Cincinnati Reds | CIN | 0.93 | 192109080_CIN_CHN |
| New York Giants | SFN | 0.83 | 192109090_LAN_SFN |
| Chicago Cubs | CHN | 0.45 | 192109090_CHN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -11.77 | 192109100_DET_CHA |
| St. Louis Browns | BAL | -2 | 192109101_CLE_BAL |
| Detroit Tigers | DET | -1.39 | 192109100_DET_CHA |
| Cleveland Indians | CLE | -0.11 | 192109101_CLE_BAL |
| Philadelphia Athletics | OAK | -0.07 | 192109080_NYA_OAK |
Based on accumulated WAA for this season up to 1921-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +044+ | 3.12 | Babe Adams | 137.3 | PIT |
| +050+ | 2.44 | Earl Hamilton | 198.7 | PIT |
| +055+ | 2.18 | Guy Morton | 92.3 | CLE |
| +072+ | 1.69 | Hugh McQuillan | 231.7 | ATL |
| +076+ | 1.59 | Red Causey | 60.3 | TOT |
| +077+ | 1.59 | Fritz Coumbe | 82.7 | CIN |
| XXXXX | 0.88 | Eric Erickson | 153.3 | MIN |
| XXXXX | 0.64 | Slim Sallee | 93.7 | SFN |
| XXXXX | 0.49 | Lou North | 71.3 | SLN |
| XXXXX | 0.34 | Lyle Bigbee | 6 | PIT |
| XXXXX | 0.34 | Sherry Smith | 162.7 | LAN |
| XXXXX | 0.16 | Jim Walsh | 4 | DET |
| XXXXX | 0.09 | Bernie Henderson | 1 | CLE |
| XXXXX | 0.04 | Tom Rogers | 7 | NYA |
| XXXXX | 0.04 | Vic Keen | 18 | CHN |
| XXXXX | -0.2 | George Uhle | 201 | CLE |
| XXXXX | -0.52 | Red Oldham | 200.3 | DET |
| XXXXX | -0.78 | Garland Braxton | 25.3 | ATL |
| XXXXX | -0.79 | Slim Harriss | 196.7 | OAK |
| XXXXX | -0.8 | Jack Quinn | 106.3 | NYA |
| XXXXX | -0.87 | Jose Acosta | 114.3 | MIN |
| XXXXX | -0.93 | Percy Jones | 82.7 | CHN |
| XXXXX | -1 | Dutch Ruether | 191 | LAN |
| XXXXX | -1.01 | Slicker Parks | 25.3 | DET |
| XXXXX | -1.16 | Cy Morgan | 21.3 | ATL |
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