| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | 0.73 | 190408190_BAL_BOS |
| Boston Americans | BOS | 0.62 | 190408190_BAL_BOS |
| Chicago White Sox | CHA | 0.61 | 190408190_CHA_NYA |
| Pittsburgh Pirates | PIT | 0.41 | 190408200_SFN_PIT |
| Philadelphia Athletics | OAK | 0.25 | 190408190_CLE_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Beaneaters | ATL | -0.63 | 190408200_ATL_CHN |
| New York Highlanders | NYA | -0.04 | 190408190_CHA_NYA |
| Detroit Tigers | DET | 0 | 190408190_DET_MIN |
| Pittsburgh Pirates | PIT | 0 | 190408190_PIT_SFN |
| Brooklyn Superbas | LAN | 0 | 190408200_LAN_SLN |
Based on accumulated WAA for this season up to 1904-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 5.04 | Patsy Flaherty | 207 | TOT |
| +064+ | 1.74 | Ed Walsh | 86.3 | CHA |
| +070+ | 1.62 | George Winter | 90 | BOS |
| XXXXX | 0.94 | Ed Siever | 160 | BAL |
| XXXXX | 0.67 | Chief Bender | 135 | OAK |
| XXXXX | -0.01 | Hooks Wiltse | 89.7 | SFN |
| -053- | -1.61 | Walter Clarkson | 33 | NYA |
| -018- | -3.61 | Pat Carney | 25.3 | ATL |
_