| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Halladay | TOR | 4.61 | 200405050_KCA_TOR |
| Pedro Martinez | BOS | 3.52 | 200405060_BOS_CLE |
| Kerry Wood | CHN | 3.42 | 200405050_ARI_CHN |
| Javier Vazquez | NYA | 2.83 | 200405060_NYA_OAK |
| Kip Wells | PIT | 2.75 | 200405050_PIT_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Scott Elarton | COL | -3.33 | 200405060_COL_WAS |
| Wes Obermueller | MIL | -1.83 | 200405060_MIL_CIN |
| Jeff D'Amico | CLE | -1.45 | 200405050_BOS_CLE |
| Aaron Sele | ANA | -1.37 | 200405060_TBA_ANA |
| Jaret Wright | ATL | -1.36 | 200405050_SDN_ATL |
Based on accumulated WAA for this season up to 2004-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.46 | Al Leiter | 35.3 | NYN |
| +002+ | 2.46 | Jake Peavy | 41.7 | SDN |
| +005+ | 2.27 | Sun-Woo Kim | 29 | WAS |
| +006+ | 2.23 | Freddy Garcia | 42.7 | SEA |
| +007+ | 2.21 | Tom Glavine | 45 | NYN |
| +011+ | 2.13 | Brad Penny | 41.3 | MIA |
| +010+ | 2.13 | Carlos Zambrano | 41.3 | CHN |
| +013+ | 2.07 | Roger Clemens | 38.3 | HOU |
| +015+ | 2.01 | Joe Kennedy | 36.3 | COL |
| +016+ | 1.93 | Matt Clement | 39.3 | CHN |
| +018+ | 1.9 | Livan Hernandez | 49 | WAS |
| +019+ | 1.88 | Jake Westbrook | 27.3 | CLE |
| +023+ | 1.85 | Kerry Wood | 42.7 | CHN |
| +024+ | 1.83 | Brandon Webb | 36.7 | ARI |
| +028+ | 1.76 | Kevin Brown | 46.7 | NYA |
| +032+ | 1.64 | Roy Oswalt | 42.3 | HOU |
| +037+ | 1.59 | Wilson Alvarez | 23.7 | LAN |
| +039+ | 1.56 | C.C. Sabathia | 34.7 | CLE |
| +043+ | 1.54 | Wade Miller | 39.3 | HOU |
| +047+ | 1.49 | Ryan Drese | 28 | TEX |
| +051+ | 1.44 | Horacio Ramirez | 29.7 | ATL |
| +052+ | 1.43 | Jimmy Gobble | 31 | KCA |
| +053+ | 1.42 | Randy Wolf | 39 | PHI |
| +055+ | 1.4 | Randy Johnson | 47 | ARI |
| +061+ | 1.34 | Tim Wakefield | 36 | BOS |
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