| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Zito | OAK | 3.26 | 200404070_TEX_OAK |
| Curt Schilling | BOS | 2.23 | 200404060_BOS_BAL |
| Jamie Moyer | SEA | 1.84 | 200404060_ANA_SEA |
| Bartolo Colon | ANA | 1.06 | 200404060_ANA_SEA |
| Greg Maddux | CHN | 1.02 | 200404070_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shawn Estes | COL | -4.71 | 200404060_COL_ARI |
| Chan Ho Park | TEX | -3.96 | 200404060_TEX_OAK |
| Brett Tomko | SFN | -3.04 | 200404060_SFN_HOU |
| Mike Maroth | DET | -2.64 | 200404060_DET_TOR |
| Matt Kinney | MIL | -2.2 | 200404070_MIL_SLN |
Based on accumulated WAA for this season up to 2004-04-07.
| Rank | WAA | Name | IP | Tm |
|---|
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