| Starter | Tm | Tier | Game |
|---|---|---|---|
| Felix Hernandez | SEA | 6.74 | 201209070_OAK_SEA |
| Johnny Cueto | CIN | 5.93 | 201209090_HOU_CIN |
| Justin Verlander | DET | 5.81 | 201209080_DET_ANA |
| Kris Medlen | ATL | 5.09 | 201209080_ATL_NYN |
| Kyle Lohse | SLN | 3.52 | 201209070_MIL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bruce Chen | KCA | -3.89 | 201209080_KCA_CHA |
| Tim Lincecum | SFN | -3.11 | 201209070_LAN_SFN |
| Ervin Santana | ANA | -3.01 | 201209070_DET_ANA |
| Henderson Alvarez | TOR | -2.23 | 201209070_TOR_BOS |
| Joe Blanton | LAN | -2.2 | 201209090_LAN_SFN |
Based on accumulated WAA for this season up to 2012-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.56 | R.A. Dickey | 198 | NYN |
| +006+ | 6.51 | Felix Hernandez | 208.7 | SEA |
| +008+ | 6.1 | Kris Medlen | 110 | ATL |
| +010+ | 5.91 | Johnny Cueto | 192.7 | CIN |
| +011+ | 5.69 | Justin Verlander | 210.3 | DET |
| +012+ | 5.67 | Clayton Kershaw | 199.7 | LAN |
| +018+ | 5.31 | Kyle Lohse | 186 | SLN |
| +024+ | 4.69 | Matt Cain | 194.3 | SFN |
| +027+ | 4.53 | Chris Sale | 169 | CHA |
| +031+ | 4.48 | Jered Weaver | 160.3 | ANA |
| +032+ | 4.3 | Cole Hamels | 190.3 | PHI |
| +033+ | 4.22 | Ryan Dempster | 147.3 | TOT |
| +042+ | 4.03 | Hiroki Kuroda | 189.3 | NYA |
| +043+ | 3.98 | Wade Miley | 170 | ARI |
| +044+ | 3.96 | Gio Gonzalez | 175.3 | WAS |
| +048+ | 3.83 | Jordan Zimmermann | 171.7 | WAS |
| +051+ | 3.71 | Madison Bumgarner | 188.3 | SFN |
| +056+ | 3.5 | Jake Peavy | 187 | CHA |
| +070+ | 2.9 | Stephen Strasburg | 159.3 | WAS |
| +083+ | 2.73 | Ryan Vogelsong | 164.3 | SFN |
| +082+ | 2.73 | Eric Stults | 75.7 | TOT |
| +096+ | 2.54 | Jonathon Niese | 171 | NYN |
| +106+ | 2.43 | Ross Detwiler | 145 | WAS |
| +108+ | 2.42 | Michael Fiers | 109.3 | MIL |
| +110+ | 2.39 | Brandon Morrow | 95 | TOR |
_