| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 2.38 | 192108290_PIT_LAN |
| Brooklyn Robins | LAN | 0.65 | 192108290_PIT_LAN |
| Cincinnati Reds | CIN | 0.54 | 192108310_CIN_ATL |
| New York Yankees | NYA | 0.51 | 192108310_NYA_MIN |
| St. Louis Cardinals | SLN | 0.4 | 192108310_SLN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -17.29 | 192108300_BAL_CHA |
| Chicago Cubs | CHN | -1.39 | 192108290_CHN_SFN |
| Washington Senators | MIN | -1.1 | 192108300_NYA_MIN |
| St. Louis Browns | BAL | -0.11 | 192108311_BAL_CHA |
| New York Yankees | NYA | -0.09 | 192108300_NYA_MIN |
Based on accumulated WAA for this season up to 1921-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 6.14 | Sad Sam Jones | 244.7 | BOS |
| +025+ | 4.04 | Waite Hoyt | 221.3 | NYA |
| +037+ | 3.07 | Bill Pertica | 172 | SLN |
| +051+ | 2.25 | Benn Karr | 61 | BOS |
| +055+ | 2.08 | Fritz Coumbe | 80.7 | CIN |
| +062+ | 1.96 | Clarence Mitchell | 142.3 | LAN |
| XXXXX | 1.07 | Jimmy Zinn | 116.7 | PIT |
| XXXXX | 0.89 | Mule Watson | 205.7 | ATL |
| XXXXX | 0.84 | George Uhle | 194 | CLE |
| XXXXX | 0.83 | Johnny Miljus | 76.3 | LAN |
| XXXXX | 0.49 | Johnny Cooney | 12 | ATL |
| XXXXX | 0.45 | Slim Sallee | 87.3 | SFN |
| XXXXX | 0.31 | Sherry Smith | 160.7 | LAN |
| XXXXX | 0.27 | Lou North | 62.7 | SLN |
| XXXXX | 0.14 | Kaiser Wilhelm | 8 | PHI |
| XXXXX | 0.09 | Jim Walsh | 1 | DET |
| XXXXX | -0.12 | Red Shea | 14.3 | SFN |
| XXXXX | -0.28 | Elmer Ponder | 99.7 | TOT |
| XXXXX | -0.38 | John Michaelson | 2.7 | CHA |
| XXXXX | -0.45 | Harry Harper | 6.3 | NYA |
| XXXXX | -0.49 | Slim Harriss | 193.3 | OAK |
| XXXXX | -0.55 | Jack Quinn | 104.7 | NYA |
| XXXXX | -0.6 | George Smith | 203.7 | PHI |
| XXXXX | -0.65 | Dave Keefe | 155 | OAK |
| XXXXX | -0.72 | Harvey Freeman | 28.7 | OAK |
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