| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 12.97 | 192105220_PIT_SFN |
| Chicago Cubs | CHN | 3.35 | 192105200_CHN_SFN |
| New York Yankees | NYA | 3.04 | 192105220_NYA_BAL |
| Brooklyn Robins | LAN | 0.78 | 192105220_CHN_LAN |
| Pittsburgh Pirates | PIT | 0.2 | 192105210_PIT_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -3.29 | 192105210_OAK_CLE |
| St. Louis Browns | BAL | -3.28 | 192105200_MIN_BAL |
| Washington Senators | MIN | -2.23 | 192105220_MIN_CHA |
| Chicago White Sox | CHA | -1.54 | 192105210_NYA_CHA |
| Detroit Tigers | DET | -1.01 | 192105210_BOS_DET |
Based on accumulated WAA for this season up to 1921-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.54 | Carl Mays | 84.3 | NYA |
| +015+ | 2.08 | Eppa Rixey | 61.7 | CIN |
| +027+ | 1.46 | Dana Fillingim | 46 | ATL |
| +031+ | 1.38 | Clarence Mitchell | 42.7 | LAN |
| +032+ | 1.31 | Phil Douglas | 30 | SFN |
| XXXXX | 1.08 | Al Mamaux | 21 | LAN |
| XXXXX | 0.88 | Fred Toney | 61.7 | SFN |
| XXXXX | 0.81 | Lefty York | 33.7 | CHN |
| XXXXX | 0.76 | Clint Rogge | 14.7 | CIN |
| XXXXX | 0.73 | Ted Odenwald | 12.7 | CLE |
| XXXXX | 0.7 | Lefty Weinert | 12.3 | PHI |
| XXXXX | 0.64 | Jimmie Keenan | 11.7 | PHI |
| XXXXX | 0.52 | Marv Goodwin | 7.7 | SLN |
| XXXXX | 0.49 | Pol Perritt | 5.3 | SFN |
| XXXXX | 0.43 | Jimmy Zinn | 18.7 | PIT |
| XXXXX | 0.34 | Jim Middleton | 36 | DET |
| XXXXX | 0.09 | Virgil Cheeves | 12.3 | CHN |
| XXXXX | 0.06 | George Mohart | 3 | LAN |
| XXXXX | 0.06 | Elam Vangilder | 0.7 | BAL |
| XXXXX | 0.05 | Bill Burwell | 21.3 | BAL |
| XXXXX | 0 | Tink Riviere | 22 | SLN |
| XXXXX | -0.06 | Bullet Joe Bush | 28 | BOS |
| XXXXX | -0.07 | George Smith | 55 | PHI |
| XXXXX | -0.18 | Speed Martin | 57 | CHN |
| XXXXX | -0.19 | Lynn Brenton | 22.3 | CIN |
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