| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -6.64 | 201307300_CIN_SDN |
| Ian Kennedy | ARI | -2.75 | 201307300_ARI_TBA |
| Josh Johnson | TOR | -2.74 | 201308010_TOR_ANA |
| Roberto Hernandez | TBA | -2.54 | 201307300_ARI_TBA |
| Lucas Harrell | HOU | -2.42 | 201307300_HOU_BAL |
Based on accumulated WAA for this season up to 2013-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.92 | Clayton Kershaw | 168.3 | LAN |
| +006+ | 5.76 | Felix Hernandez | 160.7 | SEA |
| +007+ | 5.59 | Matt Harvey | 150.7 | NYN |
| +008+ | 5.24 | Patrick Corbin | 144.3 | ARI |
| +009+ | 5.12 | Adam Wainwright | 168.7 | SLN |
| +011+ | 4.95 | Hiroki Kuroda | 139.7 | NYA |
| +014+ | 4.69 | Bartolo Colon | 147.7 | OAK |
| +018+ | 4.33 | Jeff Locke | 125.7 | PIT |
| +020+ | 4.23 | Mike Leake | 135.7 | CIN |
| +025+ | 3.91 | Mike Minor | 144 | ATL |
| +024+ | 3.91 | Yu Darvish | 138.7 | TEX |
| +028+ | 3.75 | Francisco Liriano | 95.7 | PIT |
| +029+ | 3.68 | Madison Bumgarner | 140 | SFN |
| +032+ | 3.54 | Hisashi Iwakuma | 150 | SEA |
| +036+ | 3.27 | Anibal Sanchez | 111 | DET |
| +038+ | 3.23 | Chris Sale | 142 | CHA |
| +042+ | 3.14 | Jose Fernandez | 119.7 | MIA |
| +044+ | 3.08 | James Shields | 154.7 | KCA |
| +046+ | 3.06 | Ervin Santana | 145.3 | KCA |
| +054+ | 2.85 | Max Scherzer | 143.7 | DET |
| +059+ | 2.75 | A.J. Burnett | 119.7 | PIT |
| +060+ | 2.73 | Julio Teheran | 131 | ATL |
| +063+ | 2.69 | Stephen Strasburg | 130.3 | WAS |
| +080+ | 2.37 | Chad Gaudin | 81.7 | SFN |
| +081+ | 2.36 | Chris Archer | 67.7 | TBA |
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