| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 9 | 192105240_PIT_SFN |
| New York Yankees | NYA | 2.98 | 192105230_NYA_BAL |
| Chicago Cubs | CHN | 1.67 | 192105240_CHN_LAN |
| Brooklyn Robins | LAN | 0.6 | 192105240_CHN_LAN |
| Pittsburgh Pirates | PIT | 0.12 | 192105240_PIT_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -2.4 | 192105230_OAK_DET |
| Chicago White Sox | CHA | -2.1 | 192105240_MIN_CHA |
| Detroit Tigers | DET | -0.92 | 192105250_OAK_DET |
| Cleveland Indians | CLE | -0.7 | 192105250_BOS_CLE |
| Washington Senators | MIN | -0.52 | 192105250_MIN_CHA |
Based on accumulated WAA for this season up to 1921-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 2.92 | Bill Piercy | 50.3 | NYA |
| +016+ | 2.07 | Eppa Rixey | 61.7 | CIN |
| +027+ | 1.45 | Dana Fillingim | 46 | ATL |
| +032+ | 1.37 | Clarence Mitchell | 42.7 | LAN |
| +034+ | 1.29 | Phil Douglas | 30 | SFN |
| XXXXX | 1.07 | Al Mamaux | 21 | LAN |
| XXXXX | 0.85 | Fred Toney | 61.7 | SFN |
| XXXXX | 0.81 | Lefty York | 33.7 | CHN |
| XXXXX | 0.78 | Red Oldham | 48 | DET |
| 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 | 0.49 | Pol Perritt | 5.3 | SFN |
| XXXXX | 0.43 | Jimmy Zinn | 18.7 | PIT |
| XXXXX | 0.38 | Bill Burwell | 25 | BAL |
| XXXXX | 0.1 | Benn Karr | 1 | BOS |
| XXXXX | 0.09 | Virgil Cheeves | 12.3 | CHN |
| XXXXX | 0.04 | Rusty Pence | 5 | CHA |
| XXXXX | 0 | Tink Riviere | 22 | SLN |
| XXXXX | -0.05 | Hal Carlson | 18 | PIT |
| XXXXX | -0.06 | Bullet Joe Bush | 28 | BOS |
| XXXXX | -0.08 | George Smith | 55 | PHI |
| XXXXX | -0.13 | Bill Sherdel | 20.7 | SLN |
| XXXXX | -0.14 | Eddie Rommel | 73 | OAK |
| XXXXX | -0.19 | Lynn Brenton | 22.3 | CIN |
_