| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 6.34 | 190409211_OAK_BOS |
| Cleveland Naps | CLE | 2.65 | 190409201_CLE_BAL |
| Boston Beaneaters | ATL | 0.03 | 190409190_ATL_PHI |
| St. Louis Browns | BAL | 0 | 190409191_CLE_BAL |
| Philadelphia Phillies | PHI | 0 | 190409211_CHN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -11.34 | 190409190_ATL_PHI |
| New York Highlanders | NYA | -0.12 | 190409190_NYA_MIN |
| St. Louis Browns | BAL | -0.04 | 190409210_CLE_BAL |
| New York Giants | SFN | -0.01 | 190409211_CIN_SFN |
| Washington Senators | MIN | -0.01 | 190409190_NYA_MIN |
Based on accumulated WAA for this season up to 1904-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 10.33 | Eddie Plank | 335.3 | OAK |
| +023+ | 4.92 | Red Donahue | 250 | CLE |
| XXXXX | -0.37 | Jim Delahanty | 3.3 | ATL |
| XXXXX | -0.45 | Ambrose Puttmann | 27.3 | NYA |
| XXXXX | -0.54 | Jim Fairbank | 4 | OAK |
| -078- | -1.44 | Cy Morgan | 31 | BAL |
| -075- | -1.49 | Claude Elliott | 69.7 | TOT |
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