| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Oswalt | HOU | 5.03 | 200304180_HOU_MIL |
| Matt Morris | SLN | 3.98 | 200304160_SLN_MIL |
| Tim Hudson | OAK | 3.79 | 200304160_OAK_SEA |
| Al Leiter | NYN | 3.68 | 200304180_MIA_NYN |
| Curt Schilling | ARI | 3.64 | 200304170_COL_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Helling | BAL | -2.57 | 200304160_BAL_CLE |
| Darren Oliver | COL | -2.23 | 200304160_COL_ARI |
| Carl Pavano | MIA | -2.05 | 200304170_MIA_PHI |
| Glendon Rusch | MIL | -1.8 | 200304180_HOU_MIL |
| Ryan Drese | TEX | -1.73 | 200304170_ANA_TEX |
Based on accumulated WAA for this season up to 2003-04-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.01 | Runelvys Hernandez | 26 | KCA |
| +004+ | 1.94 | Mark Buehrle | 28.7 | CHA |
| +003+ | 1.94 | Woody Williams | 19.7 | SLN |
| +006+ | 1.71 | Tony Armas | 25 | WAS |
| +008+ | 1.57 | Kris Benson | 27.3 | PIT |
| +009+ | 1.52 | Esteban Loaiza | 20.7 | CHA |
| +012+ | 1.47 | Shawn Chacon | 20.7 | COL |
| +013+ | 1.4 | Mike Mussina | 22 | NYA |
| +014+ | 1.39 | Roger Clemens | 26 | NYA |
| +015+ | 1.37 | Jeff Suppan | 19.3 | PIT |
| +017+ | 1.34 | Kyle Lohse | 21.3 | MIN |
| +018+ | 1.33 | Mark Prior | 21 | CHN |
| +020+ | 1.31 | Al Leiter | 24.7 | NYN |
| +022+ | 1.29 | Ricardo Rodriguez | 26 | CLE |
| +024+ | 1.28 | Brian Lawrence | 27 | SDN |
| +025+ | 1.26 | Carlos Zambrano | 18.3 | CHN |
| XXXXX | 1.25 | Matt Morris | 29.7 | SLN |
| XXXXX | 1.18 | Jason Schmidt | 26.7 | SFN |
| XXXXX | 1.13 | Hideo Nomo | 28.7 | LAN |
| XXXXX | 1.04 | Matt Clement | 24.3 | CHN |
| XXXXX | 1 | Jake Westbrook | 12.3 | CLE |
| XXXXX | 0.98 | David Wells | 22 | NYA |
| XXXXX | 0.93 | Zach Day | 17.3 | WAS |
| XXXXX | 0.91 | Barry Zito | 27 | OAK |
| XXXXX | 0.85 | Tomo Ohka | 18.7 | WAS |
_