| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johan Santana | MIN | 5.77 | 200409140_CHA_MIN |
| Ben Sheets | MIL | 5.4 | 200409120_MIL_CIN |
| Jake Peavy | SDN | 4.63 | 200409120_SDN_COL |
| Jason Schmidt | SFN | 3.48 | 200409120_SFN_ARI |
| Roger Clemens | HOU | 3.3 | 200409140_HOU_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Casey Fossum | ARI | -5.33 | 200409130_COL_ARI |
| Jose Acevedo | CIN | -3.67 | 200409140_PHI_CIN |
| Hideo Nomo | LAN | -3.33 | 200409120_SLN_LAN |
| Jason Jennings | COL | -3.29 | 200409140_COL_ARI |
| Brian Anderson | KCA | -2.42 | 200409130_NYA_KCA |
Based on accumulated WAA for this season up to 2004-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.82 | Randy Johnson | 215.7 | ARI |
| +005+ | 8.11 | Johan Santana | 209 | MIN |
| +006+ | 7.89 | Ben Sheets | 207 | MIL |
| +011+ | 7.26 | Jake Peavy | 139.3 | SDN |
| +016+ | 7.03 | Carlos Zambrano | 183.3 | CHN |
| +020+ | 6.28 | Jason Schmidt | 198 | SFN |
| +024+ | 6.14 | Roger Clemens | 193 | HOU |
| +032+ | 5.34 | Curt Schilling | 204 | BOS |
| +034+ | 5.07 | Jake Westbrook | 189.7 | CLE |
| +036+ | 4.88 | Pedro Martinez | 199.7 | BOS |
| +040+ | 4.75 | Tom Glavine | 188.3 | NYN |
| +045+ | 4.6 | Roy Oswalt | 210.3 | HOU |
| +049+ | 4.51 | Brad Radke | 204.7 | MIN |
| +056+ | 4.28 | Odalis Perez | 174.3 | LAN |
| +058+ | 4.23 | Jaret Wright | 169.7 | ATL |
| +061+ | 4.12 | Greg Maddux | 189.7 | CHN |
| +064+ | 4.03 | Matt Clement | 178.7 | CHN |
| +068+ | 3.86 | Livan Hernandez | 223 | WAS |
| +069+ | 3.84 | Chris Carpenter | 178.7 | SLN |
| +070+ | 3.84 | Tim Hudson | 160.7 | OAK |
| +072+ | 3.81 | Brandon Webb | 188 | ARI |
| +075+ | 3.74 | Doug Davis | 187.3 | MIL |
| +080+ | 3.63 | Jason Marquis | 178.7 | SLN |
| +081+ | 3.55 | David Wells | 170 | SDN |
| +083+ | 3.37 | Orlando Hernandez | 72.3 | NYA |
_