| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 5.5 | 190404180_SFN_PHI |
| Doc White | CHA | 4.62 | 190404170_CLE_CHA |
| Rube Waddell | OAK | 4.13 | 190404160_OAK_MIN |
| Bill Dinneen | BOS | 2.33 | 190404160_BOS_NYA |
| Vic Willis | ATL | 1.02 | 190404170_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Harper | CIN | -4.68 | 190404170_CHN_CIN |
| Jack Pfiester | PIT | -0.61 | 190404180_PIT_CIN |
| Kaiser Wilhelm | ATL | -0.45 | 190404160_ATL_PHI |
| Jack Hickey | CLE | -0.34 | 190404160_CLE_CHA |
| Happy Townsend | MIN | -0.34 | 190404160_OAK_MIN |
Based on accumulated WAA for this season up to 1904-04-18.
| Rank | WAA | Name | IP | Tm |
|---|
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