| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Blanton | ANA | -5.31 | 201307220_MIN_ANA |
| Wade Davis | KCA | -3.95 | 201307220_BAL_KCA |
| Jason Hammel | BAL | -3.25 | 201307230_BAL_KCA |
| Mike Pelfrey | MIN | -2.87 | 201307240_MIN_ANA |
| Ian Kennedy | ARI | -2.59 | 201307240_CHN_ARI |
Based on accumulated WAA for this season up to 2013-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.77 | Clayton Kershaw | 152.3 | LAN |
| +005+ | 5.31 | Adam Wainwright | 154.7 | SLN |
| +006+ | 4.98 | Matt Harvey | 137 | NYN |
| +009+ | 4.9 | Felix Hernandez | 144.7 | SEA |
| +011+ | 4.75 | Patrick Corbin | 136.3 | ARI |
| +014+ | 4.67 | Jeff Locke | 115 | PIT |
| +017+ | 4.3 | Bartolo Colon | 135.7 | OAK |
| +019+ | 3.72 | Hiroki Kuroda | 125.7 | NYA |
| +022+ | 3.61 | Mike Leake | 128.7 | CIN |
| +028+ | 3.35 | Francisco Liriano | 88.7 | PIT |
| +030+ | 3.27 | Chris Sale | 128 | CHA |
| +035+ | 3.14 | Stephen Strasburg | 123.3 | WAS |
| +039+ | 3.05 | Gio Gonzalez | 124.7 | WAS |
| +041+ | 3.01 | Cliff Lee | 144.7 | PHI |
| +042+ | 3 | Yu Darvish | 125.7 | TEX |
| +043+ | 2.99 | Madison Bumgarner | 132 | SFN |
| +044+ | 2.97 | Shelby Miller | 110.7 | SLN |
| +045+ | 2.95 | Ervin Santana | 138.3 | KCA |
| +048+ | 2.9 | Travis Wood | 128.3 | CHN |
| +046+ | 2.9 | Mike Minor | 130 | ATL |
| +049+ | 2.89 | Jordan Zimmermann | 134.3 | WAS |
| +050+ | 2.89 | Jose Fernandez | 111.7 | MIA |
| +051+ | 2.88 | Anibal Sanchez | 104 | DET |
| +053+ | 2.86 | Hisashi Iwakuma | 138.3 | SEA |
| +055+ | 2.72 | Jorge de la Rosa | 121.3 | COL |
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