| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ubaldo Jimenez | CLE | -4.44 | 201208310_TEX_CLE |
| Jeremy Guthrie | KCA | -4.17 | 201208300_DET_KCA |
| Ervin Santana | ANA | -3.36 | 201209010_ANA_SEA |
| Tim Lincecum | SFN | -3.3 | 201209010_SFN_CHN |
| Chris Volstad | CHN | -2.39 | 201208310_SFN_CHN |
Based on accumulated WAA for this season up to 2012-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.1 | Felix Hernandez | 204 | SEA |
| +005+ | 6.54 | Johnny Cueto | 181.7 | CIN |
| +007+ | 6.33 | R.A. Dickey | 191.3 | NYN |
| +010+ | 5.79 | Justin Verlander | 196.3 | DET |
| +015+ | 5.24 | Clayton Kershaw | 192.7 | LAN |
| +016+ | 5.17 | Kyle Lohse | 179.7 | SLN |
| +017+ | 5.12 | Kris Medlen | 95 | ATL |
| +019+ | 5.03 | Matt Cain | 182 | SFN |
| +026+ | 4.51 | Wade Miley | 158 | ARI |
| +028+ | 4.45 | Chris Sale | 157 | CHA |
| +031+ | 4.37 | Jered Weaver | 155 | ANA |
| +033+ | 4.24 | Hiroki Kuroda | 183.3 | NYA |
| +039+ | 4.05 | Ryan Dempster | 141.3 | TOT |
| +041+ | 3.98 | Madison Bumgarner | 182 | SFN |
| +046+ | 3.7 | Ryan Vogelsong | 161 | SFN |
| +051+ | 3.6 | Jordan Zimmermann | 164.7 | WAS |
| +060+ | 3.31 | Gio Gonzalez | 168.3 | WAS |
| +065+ | 3.13 | Jake Peavy | 181 | CHA |
| +066+ | 3.12 | Stephen Strasburg | 150.3 | WAS |
| +074+ | 2.94 | Matt Harrison | 174.3 | TEX |
| +085+ | 2.7 | Michael Fiers | 101 | MIL |
| +087+ | 2.69 | Scott Diamond | 137.3 | MIN |
| +107+ | 2.39 | Paul Maholm | 157 | TOT |
| +108+ | 2.38 | Eric Stults | 69.7 | TOT |
| +114+ | 2.29 | C.C. Sabathia | 156 | NYA |
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