| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 12.91 | 201306050_SDN_LAN |
| Felix Hernandez | SEA | 5.49 | 201306040_CHA_SEA |
| Jordan Zimmermann | WAS | 5.11 | 201306040_NYN_WAS |
| Jered Weaver | ANA | 2.35 | 201306040_CHN_ANA |
| Doug Fister | DET | 2.13 | 201306050_TBA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Blanton | ANA | -4.68 | 201306030_HOU_ANA |
| Clayton Richard | SDN | -2.25 | 201306040_SDN_LAN |
| Dillon Gee | NYN | -2.23 | 201306050_NYN_WAS |
| Jon Garland | COL | -1.94 | 201306050_COL_CIN |
| Dallas Keuchel | HOU | -1.2 | 201306050_BAL_HOU |
Based on accumulated WAA for this season up to 2013-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.58 | Clayton Kershaw | 93.3 | LAN |
| +005+ | 4.36 | Clay Buchholz | 77.7 | BOS |
| +006+ | 4.12 | Hisashi Iwakuma | 88.3 | SEA |
| +008+ | 3.82 | Jordan Zimmermann | 87.7 | WAS |
| +010+ | 3.49 | Matt Harvey | 83 | NYN |
| +012+ | 3.31 | Adam Wainwright | 89 | SLN |
| +013+ | 3.26 | Cliff Lee | 88.3 | PHI |
| +016+ | 3.14 | Patrick Corbin | 74.3 | ARI |
| +019+ | 2.87 | Felix Hernandez | 90.7 | SEA |
| +020+ | 2.84 | Alex Cobb | 75.3 | TBA |
| +021+ | 2.68 | Mike Minor | 78.7 | ATL |
| +023+ | 2.57 | Stephen Strasburg | 74.3 | WAS |
| +026+ | 2.48 | Chris Sale | 70 | CHA |
| +027+ | 2.44 | Jeff Locke | 69.7 | PIT |
| +028+ | 2.41 | James Shields | 86 | KCA |
| +031+ | 2.39 | Hiroki Kuroda | 73 | NYA |
| +032+ | 2.31 | Yu Darvish | 81.3 | TEX |
| +033+ | 2.24 | Anibal Sanchez | 78 | DET |
| +041+ | 2.11 | Travis Wood | 72 | CHN |
| +044+ | 2.06 | Mike Leake | 68.7 | CIN |
| +049+ | 2.03 | Lance Lynn | 75 | SLN |
| +050+ | 2.01 | Derek Holland | 73.7 | TEX |
| +054+ | 1.93 | Jeff Samardzija | 79 | CHN |
| +060+ | 1.85 | Jerome Williams | 59.7 | ANA |
| +061+ | 1.84 | Mat Latos | 77.7 | CIN |
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