| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | 11.08 | 192105130_NYA_DET |
| Brooklyn Robins | LAN | 4.14 | 192105140_SLN_LAN |
| Philadelphia Athletics | OAK | 1.44 | 192105130_OAK_BAL |
| New York Giants | SFN | 1.28 | 192105130_SLN_SFN |
| St. Louis Browns | BAL | 0.24 | 192105140_BOS_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.14 | 192105130_NYA_DET |
| Chicago White Sox | CHA | -1.95 | 192105140_OAK_CHA |
| Washington Senators | MIN | -1.38 | 192105130_MIN_CLE |
| St. Louis Browns | BAL | -0.7 | 192105130_OAK_BAL |
| Cleveland Indians | CLE | -0.16 | 192105130_MIN_CLE |
Based on accumulated WAA for this season up to 1921-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.16 | Carl Mays | 65.7 | NYA |
| +022+ | 1.48 | Clarence Mitchell | 34.7 | LAN |
| XXXXX | 0.95 | Dave Keefe | 30 | OAK |
| XXXXX | 0.69 | Ted Odenwald | 10 | CLE |
| XXXXX | 0.61 | Johnny Miljus | 11.3 | LAN |
| XXXXX | 0.54 | Lefty Weinert | 8.3 | PHI |
| XXXXX | 0.54 | Jimmie Keenan | 6 | PHI |
| XXXXX | 0.45 | Clint Rogge | 7 | CIN |
| XXXXX | 0.44 | Jeff Pfeffer | 16.3 | LAN |
| XXXXX | 0.42 | Marv Goodwin | 6.7 | SLN |
| XXXXX | 0.32 | Urban Shocker | 64.3 | BAL |
| XXXXX | 0.15 | Buck Freeman | 27 | CHN |
| XXXXX | 0.14 | Fritz Coumbe | 19.3 | CIN |
| XXXXX | 0.07 | Bullet Joe Bush | 14.3 | BOS |
| XXXXX | 0.06 | Rusty Pence | 3 | CHA |
| XXXXX | -0.08 | Sweetbread Bailey | 13 | TOT |
| XXXXX | -0.09 | Slim Sallee | 15 | SFN |
| XXXXX | -0.13 | Alex Ferguson | 5.7 | NYA |
| XXXXX | -0.13 | Joe Oeschger | 42.7 | ATL |
| XXXXX | -0.14 | Lou North | 7.3 | SLN |
| XXXXX | -0.31 | Jose Acosta | 30 | MIN |
| XXXXX | -0.36 | Buddy Napier | 16.3 | CIN |
| XXXXX | -0.51 | Huck Betts | 8.3 | PHI |
| XXXXX | -0.73 | Bob Hasty | 15.7 | OAK |
| XXXXX | -0.75 | Emilio Palmero | 12.7 | BAL |
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