| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ian Kennedy | SDN | -3.53 | 201308210_PIT_SDN |
| Barry Zito | SFN | -2.82 | 201308210_BOS_SFN |
| Mike Pelfrey | MIN | -2.65 | 201308200_MIN_DET |
| Jeremy Hellickson | TBA | -2.29 | 201308210_TBA_BAL |
| Joe Saunders | SEA | -2.29 | 201308200_SEA_OAK |
Based on accumulated WAA for this season up to 2013-08-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.98 | Clayton Kershaw | 198.3 | LAN |
| +006+ | 6.17 | Matt Harvey | 171.7 | NYN |
| +009+ | 5.45 | Adam Wainwright | 189.7 | SLN |
| +010+ | 5.34 | Patrick Corbin | 172.3 | ARI |
| +011+ | 5.13 | Felix Hernandez | 178.7 | SEA |
| +015+ | 4.88 | Jose Fernandez | 145.7 | MIA |
| +020+ | 4.5 | Anibal Sanchez | 139.7 | DET |
| +021+ | 4.46 | Yu Darvish | 161 | TEX |
| +026+ | 4.16 | Chris Sale | 165.3 | CHA |
| +028+ | 4.1 | Madison Bumgarner | 163 | SFN |
| +029+ | 4.06 | Max Scherzer | 172.3 | DET |
| +036+ | 3.81 | Mat Latos | 169 | CIN |
| +039+ | 3.75 | Derek Holland | 174 | TEX |
| +043+ | 3.61 | Francisco Liriano | 121 | PIT |
| +044+ | 3.6 | Hisashi Iwakuma | 178 | SEA |
| +049+ | 3.38 | Hyun-Jin Ryu | 155.7 | LAN |
| +053+ | 3.23 | Stephen Strasburg | 156 | WAS |
| +056+ | 3.18 | Julio Teheran | 149 | ATL |
| +059+ | 3.08 | Bruce Chen | 77.7 | KCA |
| +060+ | 3.06 | Cliff Lee | 170.7 | PHI |
| +062+ | 3.03 | Ervin Santana | 167 | KCA |
| +063+ | 3.01 | Zack Greinke | 133 | LAN |
| +064+ | 3.01 | Mike Minor | 158.7 | ATL |
| +067+ | 2.9 | James Shields | 181.7 | KCA |
| +068+ | 2.89 | Mike Leake | 158.7 | CIN |
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