| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Pelfrey | MIN | -3.9 | 201307060_MIN_TOR |
| Edwin Jackson | CHN | -3.13 | 201307060_PIT_CHN |
| Rick Porcello | DET | -3.04 | 201307050_DET_CLE |
| Joe Blanton | ANA | -3.03 | 201307040_SLN_ANA |
| Wade Davis | KCA | -2.16 | 201307050_OAK_KCA |
Based on accumulated WAA for this season up to 2013-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.27 | Clayton Kershaw | 130.3 | LAN |
| +006+ | 4.98 | Adam Wainwright | 133.7 | SLN |
| +007+ | 4.56 | Matt Harvey | 123 | NYN |
| +011+ | 4.23 | Jeff Locke | 102 | PIT |
| +012+ | 4.14 | Jordan Zimmermann | 126 | WAS |
| +013+ | 4.07 | Stephen Strasburg | 100.3 | WAS |
| +016+ | 3.91 | Cliff Lee | 131.7 | PHI |
| +017+ | 3.76 | Hisashi Iwakuma | 121.3 | SEA |
| +018+ | 3.7 | Patrick Corbin | 115.7 | ARI |
| +020+ | 3.56 | Felix Hernandez | 123.7 | SEA |
| +025+ | 3.29 | Travis Wood | 110.3 | CHN |
| +027+ | 3.17 | Chris Sale | 113.3 | CHA |
| +029+ | 3.12 | Mike Leake | 108.7 | CIN |
| +031+ | 3.06 | Hyun-Jin Ryu | 111.7 | LAN |
| +032+ | 3.04 | Ervin Santana | 118 | KCA |
| +033+ | 3 | Bartolo Colon | 113.3 | OAK |
| +042+ | 2.76 | Francisco Liriano | 69.7 | PIT |
| +044+ | 2.68 | Shelby Miller | 99.7 | SLN |
| +051+ | 2.55 | Madison Bumgarner | 118 | SFN |
| +054+ | 2.48 | Yu Darvish | 119.3 | TEX |
| +056+ | 2.42 | Anibal Sanchez | 86.7 | DET |
| +059+ | 2.32 | John Lackey | 86.3 | BOS |
| +064+ | 2.22 | James Shields | 122.7 | KCA |
| +065+ | 2.21 | Max Scherzer | 116.7 | DET |
| +067+ | 2.18 | Gio Gonzalez | 111.7 | WAS |
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