| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 10.54 | 192105190_CHN_SFN |
| Chicago Cubs | CHN | 3.35 | 192105200_CHN_SFN |
| Brooklyn Robins | LAN | 1.29 | 192105190_PIT_LAN |
| Philadelphia Phillies | PHI | 0.37 | 192105190_SLN_PHI |
| Pittsburgh Pirates | PIT | 0.2 | 192105210_PIT_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -3.79 | 192105190_MIN_BAL |
| Philadelphia Athletics | OAK | -3.29 | 192105210_OAK_CLE |
| Washington Senators | MIN | -2.2 | 192105190_MIN_BAL |
| 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 1921-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +016+ | 2.05 | Eppa Rixey | 61.7 | CIN |
| +026+ | 1.45 | Dana Fillingim | 46 | ATL |
| +030+ | 1.4 | Clarence Mitchell | 42.7 | LAN |
| +033+ | 1.3 | Phil Douglas | 30 | SFN |
| XXXXX | 1.03 | Red Oldham | 41.3 | DET |
| XXXXX | 0.81 | Lefty York | 33.3 | CHN |
| XXXXX | 0.76 | Clint Rogge | 14.7 | CIN |
| XXXXX | 0.72 | Ted Odenwald | 12.7 | CLE |
| XXXXX | 0.69 | Lefty Weinert | 12.3 | PHI |
| XXXXX | 0.63 | Jimmie Keenan | 11.7 | PHI |
| XXXXX | 0.52 | Marv Goodwin | 7.7 | SLN |
| XXXXX | 0.49 | Pol Perritt | 5.3 | SFN |
| XXXXX | 0.42 | Jimmy Zinn | 18.7 | PIT |
| XXXXX | 0.34 | Jim Middleton | 36 | DET |
| XXXXX | 0.25 | Slim Sallee | 18.7 | SFN |
| XXXXX | 0.07 | George Mohart | 3 | LAN |
| XXXXX | 0.06 | Elam Vangilder | 0.7 | BAL |
| XXXXX | 0.05 | Bill Burwell | 21.3 | BAL |
| XXXXX | -0.01 | Tink Riviere | 22 | SLN |
| XXXXX | -0.08 | George Smith | 55 | PHI |
| XXXXX | -0.13 | Speed Martin | 57 | CHN |
| XXXXX | -0.17 | Harry Courtney | 21.3 | MIN |
| XXXXX | -0.17 | Bullet Joe Bush | 27 | BOS |
| XXXXX | -0.2 | Lynn Brenton | 22.3 | CIN |
| XXXXX | -0.21 | Hal Carlson | 14 | PIT |
_