| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Cueto | CIN | 4.47 | 201208070_CIN_MIL |
| Ryan Vogelsong | SFN | 4.09 | 201208080_SFN_SLN |
| R.A. Dickey | NYN | 3.39 | 201208090_MIA_NYN |
| Jordan Zimmermann | WAS | 3.39 | 201208090_WAS_HOU |
| Mike Fiers | MIL | 1.71 | 201208070_CIN_MIL |
Based on accumulated WAA for this season up to 2012-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.12 | Justin Verlander | 168.7 | DET |
| +004+ | 5.92 | Jered Weaver | 131 | ANA |
| +005+ | 5.79 | Ryan Vogelsong | 143 | SFN |
| +007+ | 5.35 | Jordan Zimmermann | 145.3 | WAS |
| +009+ | 5.21 | Johnny Cueto | 153.7 | CIN |
| +010+ | 5.19 | Felix Hernandez | 164 | SEA |
| +012+ | 5.14 | David Price | 148 | TBA |
| +015+ | 5.05 | R.A. Dickey | 162.3 | NYN |
| +018+ | 4.45 | Kyle Lohse | 148.3 | SLN |
| +021+ | 4.33 | Chris Sale | 132 | CHA |
| +025+ | 4.17 | Clayton Kershaw | 156.3 | LAN |
| +026+ | 4.08 | Michael Fiers | 80 | MIL |
| +029+ | 3.91 | Ryan Dempster | 115.3 | TOT |
| +032+ | 3.85 | Wade Miley | 132.7 | ARI |
| +040+ | 3.51 | Matt Cain | 152.3 | SFN |
| +048+ | 3.31 | Cole Hamels | 154.7 | PHI |
| +047+ | 3.31 | Madison Bumgarner | 154.7 | SFN |
| +049+ | 3.3 | Jake Peavy | 154.7 | CHA |
| +062+ | 3.01 | Scott Diamond | 114.3 | MIN |
| +065+ | 2.86 | Stephen Strasburg | 127.3 | WAS |
| +066+ | 2.79 | A.J. Burnett | 132.7 | PIT |
| +067+ | 2.78 | Hiroki Kuroda | 150 | NYA |
| +078+ | 2.58 | Jose Quintana | 90.7 | CHA |
| +085+ | 2.5 | Kris Medlen | 64.7 | ATL |
| +087+ | 2.49 | C.J. Wilson | 148 | ANA |
_