| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge De La Rosa | COL | -5.68 | 200805190_SFN_COL |
| Jason Marquis | CHN | -2.26 | 200805180_PIT_CHN |
| Jason Bergmann | WAS | -2.22 | 200805200_PHI_WAS |
| Kyle Lohse | SLN | -2.14 | 200805180_TBA_SLN |
| Matt Belisle | CIN | -1.93 | 200805200_CIN_LAN |
Based on accumulated WAA for this season up to 2008-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.88 | Cliff Lee | 59.3 | CLE |
| +003+ | 3.67 | Edinson Volquez | 54.3 | CIN |
| +007+ | 2.94 | Zack Greinke | 62 | KCA |
| +008+ | 2.86 | Tim Lincecum | 62.3 | SFN |
| +012+ | 2.59 | Daisuke Matsuzaka | 54.3 | BOS |
| +014+ | 2.57 | Cole Hamels | 72.3 | PHI |
| +016+ | 2.5 | Fausto Carmona | 56 | CLE |
| +017+ | 2.47 | Carlos Zambrano | 66 | CHN |
| +018+ | 2.46 | Joe Saunders | 61.7 | ANA |
| +020+ | 2.34 | Brandon Webb | 63.3 | ARI |
| +025+ | 2.12 | Shaun Marcum | 57.7 | TOR |
| +027+ | 2.04 | Jorge Campillo | 27.3 | ATL |
| +028+ | 2.01 | Ryan Dempster | 63.3 | CHN |
| +034+ | 1.87 | Scott Olsen | 60.7 | MIA |
| +037+ | 1.79 | Aaron Harang | 69.3 | CIN |
| +038+ | 1.75 | Aaron Laffey | 26.7 | CLE |
| +040+ | 1.73 | Ervin Santana | 60.7 | ANA |
| +039+ | 1.73 | Jair Jurrjens | 54.3 | ATL |
| +042+ | 1.7 | John Danks | 52 | CHA |
| +048+ | 1.61 | Tim Hudson | 61.7 | ATL |
| +052+ | 1.57 | Aaron Cook | 67.7 | COL |
| +064+ | 1.44 | Gavin Floyd | 49.3 | CHA |
| +070+ | 1.4 | Jose Contreras | 59.7 | CHA |
| +073+ | 1.38 | Vicente Padilla | 62.7 | TEX |
| +078+ | 1.36 | Chan Ho Park | 29 | LAN |
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