| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Martinez | BOS | 5.9 | 200305090_BOS_MIN |
| Barry Zito | OAK | 5.85 | 200305100_NYA_OAK |
| Matt Morris | SLN | 5.15 | 200305090_SLN_CHN |
| Roy Oswalt | HOU | 3.78 | 200305090_HOU_PHI |
| Mark Buehrle | CHA | 3.56 | 200305110_CHA_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Parque | TBA | -3.66 | 200305090_DET_TBA |
| Rick Helling | BAL | -2.62 | 200305091_BAL_KCA |
| Pedro Astacio | NYN | -2.4 | 200305110_SDN_NYN |
| Colby Lewis | TEX | -2.25 | 200305110_CLE_TEX |
| Darren Oliver | COL | -2.23 | 200305090_COL_MIA |
Based on accumulated WAA for this season up to 2003-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.31 | Mike Mussina | 53 | NYA |
| +004+ | 3.1 | Mark Prior | 49 | CHN |
| +005+ | 2.92 | Runelvys Hernandez | 53 | KCA |
| +007+ | 2.72 | Woody Williams | 49 | SLN |
| +011+ | 2.54 | Roger Clemens | 53.7 | NYA |
| +012+ | 2.53 | Mark Mulder | 60 | OAK |
| +015+ | 2.3 | Brett Myers | 45 | PHI |
| +016+ | 2.29 | Matt Morris | 59.7 | SLN |
| +017+ | 2.29 | Esteban Loaiza | 45.7 | CHA |
| +018+ | 2.27 | Miguel Batista | 47.3 | ARI |
| +020+ | 2.23 | Barry Zito | 55 | OAK |
| +022+ | 2.18 | Damian Moss | 42.7 | SFN |
| +027+ | 2 | Jason Johnson | 40.7 | BAL |
| +029+ | 1.97 | Johan Santana | 27.7 | MIN |
| +028+ | 1.97 | Jeff Suppan | 46 | PIT |
| +032+ | 1.94 | Kerry Wood | 52 | CHN |
| +033+ | 1.92 | Jason Schmidt | 46.3 | SFN |
| +034+ | 1.88 | Kevin Brown | 50.3 | LAN |
| +035+ | 1.84 | David Wells | 53 | NYA |
| +036+ | 1.79 | Randy Wolf | 52.3 | PHI |
| +039+ | 1.72 | Nate Cornejo | 40.7 | DET |
| +044+ | 1.67 | C.C. Sabathia | 53 | CLE |
| +045+ | 1.66 | Tim Hudson | 57.7 | OAK |
| +051+ | 1.59 | Shawn Chacon | 45.7 | COL |
| +052+ | 1.58 | Zach Day | 46.7 | WAS |
_