| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kris Medlen | ATL | 6.01 | 201209190_ATL_MIA |
| Justin Verlander | DET | 5.61 | 201209190_OAK_DET |
| David Price | TBA | 5.14 | 201209200_BOS_TBA |
| Kyle Lohse | SLN | 4.07 | 201209180_HOU_SLN |
| Felix Hernandez | SEA | 3.9 | 201209190_BAL_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ricky Romero | TOR | -7.55 | 201209192_TOR_NYA |
| Bruce Chen | KCA | -4.66 | 201209190_CHA_KCA |
| Tim Lincecum | SFN | -2.65 | 201209180_COL_SFN |
| Francisco Liriano | CHA | -2.37 | 201209200_CHA_KCA |
| Felix Doubront | BOS | -1.77 | 201209180_BOS_TBA |
Based on accumulated WAA for this season up to 2012-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.29 | Kris Medlen | 125 | ATL |
| +005+ | 6.89 | Justin Verlander | 223.3 | DET |
| +006+ | 6.81 | R.A. Dickey | 212 | NYN |
| +009+ | 6.32 | David Price | 195 | TBA |
| +011+ | 6.08 | Kyle Lohse | 199 | SLN |
| +015+ | 5.78 | Felix Hernandez | 220.7 | SEA |
| +019+ | 5.47 | Matt Cain | 207.3 | SFN |
| +018+ | 5.47 | Johnny Cueto | 203 | CIN |
| +022+ | 5.13 | Jered Weaver | 174.3 | ANA |
| +024+ | 5.07 | Chris Sale | 181.7 | CHA |
| +034+ | 4.46 | Cole Hamels | 203.3 | PHI |
| +036+ | 4.35 | Gio Gonzalez | 186.3 | WAS |
| +037+ | 4.22 | Jordan Zimmermann | 182.7 | WAS |
| +041+ | 3.96 | Wade Miley | 177 | ARI |
| +051+ | 3.68 | Hiroki Kuroda | 201.7 | NYA |
| +052+ | 3.66 | Ryan Dempster | 157.7 | TOT |
| +056+ | 3.51 | Jake Peavy | 198.7 | CHA |
| +059+ | 3.43 | Matt Harrison | 193.3 | TEX |
| +063+ | 3.4 | Madison Bumgarner | 198.7 | SFN |
| +068+ | 3.22 | Cliff Lee | 190 | PHI |
| +072+ | 3.12 | Ross Detwiler | 157 | WAS |
| +104+ | 2.55 | Brandon Morrow | 105.7 | TOR |
| +105+ | 2.54 | Zack Greinke | 200 | TOT |
| +107+ | 2.53 | Eric Stults | 87 | TOT |
| +114+ | 2.48 | Jeremy Hellickson | 160.3 | TBA |
_