| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 9.34 | 192107110_CHN_SFN |
| New York Yankees | NYA | 3.32 | 192107120_NYA_BAL |
| Cincinnati Reds | CIN | 1.34 | 192107120_CIN_LAN |
| Boston Braves | ATL | 0.69 | 192107110_CIN_ATL |
| St. Louis Cardinals | SLN | 0.66 | 192107110_SLN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.01 | 192107100_NYA_CHA |
| Washington Senators | MIN | -2.13 | 192107110_MIN_BAL |
| St. Louis Browns | BAL | -0.96 | 192107110_MIN_BAL |
| Philadelphia Athletics | OAK | -0.28 | 192107101_OAK_CLE |
| Cleveland Indians | CLE | -0.25 | 192107101_OAK_CLE |
Based on accumulated WAA for this season up to 1921-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 5.46 | Carl Mays | 171.7 | NYA |
| +029+ | 2.8 | Dolf Luque | 157.3 | CIN |
| +031+ | 2.52 | Dana Fillingim | 108.3 | ATL |
| +045+ | 1.94 | Rube Benton | 70.3 | SFN |
| +051+ | 1.83 | Waite Hoyt | 133.7 | NYA |
| +061+ | 1.69 | Johnny Miljus | 53 | LAN |
| +067+ | 1.58 | Bill Sherdel | 51.3 | SLN |
| +076+ | 1.27 | Benn Karr | 34.3 | BOS |
| +077+ | 1.26 | Earl Hamilton | 126.3 | PIT |
| XXXXX | 1.23 | Fritz Coumbe | 53.3 | CIN |
| XXXXX | 1.03 | Slim Sallee | 54.3 | SFN |
| XXXXX | 0.92 | Lou North | 42.3 | SLN |
| XXXXX | 0.77 | Bill Pertica | 108.3 | SLN |
| XXXXX | 0.7 | Jimmy Zinn | 73 | PIT |
| XXXXX | 0.16 | Jimmy Ring | 125.7 | PHI |
| XXXXX | 0.09 | Harvey Freeman | 1 | OAK |
| XXXXX | 0.08 | Pete Donohue | 3 | CIN |
| XXXXX | 0.04 | Jim Middleton | 86.7 | DET |
| XXXXX | -0.11 | Walter Zink | 1 | SFN |
| XXXXX | -0.12 | Slicker Parks | 1 | DET |
| XXXXX | -0.61 | Clarence Mitchell | 66.3 | LAN |
| XXXXX | -0.64 | Bill Bailey | 17.3 | SLN |
| XXXXX | -0.65 | Lefty Wolf | 2 | OAK |
| XXXXX | -0.66 | Tom Zachary | 128.3 | MIN |
| XXXXX | -0.66 | Bill Burwell | 56 | BAL |
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