| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carlos Silva | MIN | -4.22 | 200609160_MIN_CLE |
| Joel Pineiro | SEA | -3.82 | 200609160_SEA_KCA |
| Runelvys Hernandez | KCA | -2.15 | 200609170_SEA_KCA |
| Pedro Astacio | WAS | -1.33 | 200609160_MIL_WAS |
| Wandy Rodriguez | HOU | -1.24 | 200609170_PHI_HOU |
Based on accumulated WAA for this season up to 2006-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.99 | Johan Santana | 220.7 | MIN |
| +007+ | 8.31 | Chris Carpenter | 206.7 | SLN |
| +010+ | 7.69 | Brandon Webb | 216 | ARI |
| +014+ | 6.86 | Roy Halladay | 216.7 | TOR |
| +015+ | 6.72 | Bronson Arroyo | 221.3 | CIN |
| +016+ | 6.67 | Francisco Liriano | 121 | MIN |
| +019+ | 6.43 | Roy Oswalt | 200 | HOU |
| +020+ | 5.92 | Jered Weaver | 108.7 | ANA |
| +027+ | 5.44 | C.C. Sabathia | 179.3 | CLE |
| +028+ | 5.32 | Carlos Zambrano | 200 | CHN |
| +032+ | 5.27 | Josh Johnson | 157 | MIA |
| +046+ | 4.46 | Justin Verlander | 176.3 | DET |
| +050+ | 4.31 | Roger Clemens | 96.3 | HOU |
| +052+ | 4.27 | Chris Capuano | 204 | MIL |
| +054+ | 4.25 | Jason Jennings | 202 | COL |
| +057+ | 4.09 | Chien-Ming Wang | 205 | NYA |
| +058+ | 4.06 | Mike Mussina | 186.7 | NYA |
| +059+ | 4.02 | Kelvim Escobar | 180.7 | ANA |
| +064+ | 3.9 | Anibal Sanchez | 102.3 | MIA |
| +063+ | 3.9 | John Smoltz | 211 | ATL |
| +065+ | 3.89 | Derek Lowe | 205 | LAN |
| +067+ | 3.8 | Nathan Robertson | 198 | DET |
| +072+ | 3.6 | Dontrelle Willis | 208.7 | MIA |
| +073+ | 3.59 | John Lackey | 202.7 | ANA |
| +080+ | 3.39 | Erik Bedard | 179.7 | BAL |
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