| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Bush | MIL | -2.95 | 200805270_ATL_MIL |
| Adam Eaton | PHI | -2.65 | 200805280_COL_PHI |
| Andy Sonnanstine | TBA | -2.17 | 200805270_TEX_TBA |
| Jason Marquis | CHN | -1.85 | 200805290_COL_CHN |
| Odalis Perez | WAS | -1.74 | 200805280_WAS_SDN |
Based on accumulated WAA for this season up to 2008-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.12 | Edinson Volquez | 62 | CIN |
| +004+ | 4.09 | Cliff Lee | 66 | CLE |
| +008+ | 3.21 | Carlos Zambrano | 81 | CHN |
| +011+ | 2.96 | Tim Lincecum | 69.7 | SFN |
| +013+ | 2.72 | Jorge Campillo | 36.3 | ATL |
| +018+ | 2.55 | Daisuke Matsuzaka | 64 | BOS |
| +019+ | 2.49 | Joe Saunders | 75 | ANA |
| +024+ | 2.44 | Shaun Marcum | 71.7 | TOR |
| +025+ | 2.42 | Roy Halladay | 89 | TOR |
| +026+ | 2.41 | Ryan Dempster | 70.3 | CHN |
| +028+ | 2.37 | Aaron Laffey | 39.7 | CLE |
| +029+ | 2.35 | Tim Hudson | 77.7 | ATL |
| +030+ | 2.35 | Zack Greinke | 75 | KCA |
| +031+ | 2.31 | Adam Wainwright | 78.7 | SLN |
| +035+ | 2.24 | Aaron Cook | 76.7 | COL |
| +038+ | 2.12 | John Danks | 63 | CHA |
| +041+ | 2.05 | Jair Jurrjens | 66 | ATL |
| +043+ | 2.03 | Brandon Webb | 74.7 | ARI |
| +048+ | 1.92 | Ervin Santana | 75.7 | ANA |
| +049+ | 1.92 | Justin Duchscherer | 41.7 | OAK |
| +051+ | 1.91 | Ben Sheets | 67.7 | MIL |
| +050+ | 1.91 | Greg Smith | 63.3 | OAK |
| +055+ | 1.82 | Scott Kazmir | 30 | TBA |
| +061+ | 1.74 | Cole Hamels | 76.3 | PHI |
| +062+ | 1.73 | Jose Contreras | 67.7 | CHA |
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