| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Giants | SFN | 10.78 | 192106160_SFN_CHN |
| Pittsburgh Pirates | PIT | 3.06 | 192106160_LAN_PIT |
| New York Yankees | NYA | 1.92 | 192106140_DET_NYA |
| St. Louis Cardinals | SLN | 0.5 | 192106140_SFN_SLN |
| Boston Braves | ATL | 0.17 | 192106160_ATL_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Cleveland Indians | CLE | -2.28 | 192106160_CLE_OAK |
| Detroit Tigers | DET | -1.87 | 192106140_DET_NYA |
| Philadelphia Athletics | OAK | -1.71 | 192106140_BAL_OAK |
| St. Louis Browns | BAL | -1.56 | 192106160_BAL_MIN |
| Washington Senators | MIN | -1.02 | 192106140_CLE_MIN |
Based on accumulated WAA for this season up to 1921-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.63 | Carl Mays | 122.7 | NYA |
| +014+ | 3.55 | Jesse Barnes | 96.7 | SFN |
| +021+ | 2.65 | Rube Benton | 57.3 | SFN |
| +040+ | 1.83 | Dana Fillingim | 76.7 | ATL |
| +049+ | 1.58 | Hugh McQuillan | 105 | ATL |
| +050+ | 1.55 | Rosy Ryan | 59 | SFN |
| XXXXX | 1.16 | Babe Adams | 68.3 | PIT |
| XXXXX | 1 | Al Mamaux | 43 | LAN |
| XXXXX | 0.98 | Elmer Ponder | 21.7 | PIT |
| XXXXX | 0.92 | Bill Sherdel | 35 | SLN |
| XXXXX | 0.88 | Chief Yellow Horse | 18.3 | PIT |
| XXXXX | 0.87 | Dave Keefe | 77 | OAK |
| XXXXX | 0.87 | Allen Russell | 64.7 | BOS |
| XXXXX | 0.83 | Johnny Miljus | 21.7 | LAN |
| XXXXX | 0.78 | Fritz Coumbe | 42 | CIN |
| XXXXX | 0.59 | Lou North | 31.7 | SLN |
| XXXXX | 0.44 | Slim Sallee | 39 | SFN |
| XXXXX | 0.38 | Elam Vangilder | 16.7 | BAL |
| XXXXX | 0.34 | Bullet Joe Bush | 47 | BOS |
| XXXXX | 0.29 | Waite Hoyt | 89.3 | NYA |
| XXXXX | 0.27 | Red Oldham | 70 | DET |
| XXXXX | 0.15 | Kaiser Wilhelm | 3.7 | PHI |
| XXXXX | -0.16 | Ray Kolp | 51.7 | BAL |
| XXXXX | -0.21 | Percy Jones | 19.7 | CHN |
| XXXXX | -0.49 | Duster Mails | 80 | CLE |
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