| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Lee | PHI | 7.31 | 201306290_PHI_LAN |
| Matt Harvey | NYN | 4.59 | 201306280_WAS_NYN |
| Hisashi Iwakuma | SEA | 3.79 | 201306280_CHN_SEA |
| James Shields | KCA | 3.76 | 201306280_KCA_MIN |
| Hiroki Kuroda | NYA | 3.4 | 201306300_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -5.08 | 201306280_SDN_MIA |
| Joe Blanton | ANA | -3.71 | 201306290_ANA_HOU |
| Rick Porcello | DET | -3.35 | 201306300_DET_TBA |
| Edwin Jackson | CHN | -3.27 | 201306300_CHN_SEA |
| Ubaldo Jimenez | CLE | -1.83 | 201306290_CLE_CHA |
Based on accumulated WAA for this season up to 2013-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.35 | Clayton Kershaw | 121.3 | LAN |
| +004+ | 5.13 | Matt Harvey | 117 | NYN |
| +006+ | 5 | Adam Wainwright | 125.7 | SLN |
| +009+ | 4.51 | Jordan Zimmermann | 114.7 | WAS |
| +011+ | 4.26 | Patrick Corbin | 109.7 | ARI |
| +013+ | 4.1 | Cliff Lee | 125.3 | PHI |
| +014+ | 4.08 | Jeff Locke | 96.3 | PIT |
| +016+ | 3.98 | Hisashi Iwakuma | 115.3 | SEA |
| +019+ | 3.43 | Mike Leake | 103.7 | CIN |
| +020+ | 3.38 | Stephen Strasburg | 93.3 | WAS |
| +022+ | 3.26 | Felix Hernandez | 116.7 | SEA |
| +028+ | 2.97 | Ervin Santana | 111 | KCA |
| +030+ | 2.94 | Yu Darvish | 113.3 | TEX |
| +032+ | 2.87 | Chris Sale | 106.3 | CHA |
| +035+ | 2.79 | Hyun-Jin Ryu | 105 | LAN |
| +040+ | 2.72 | James Shields | 117.3 | KCA |
| +041+ | 2.71 | Bartolo Colon | 106.3 | OAK |
| +044+ | 2.66 | Travis Wood | 104.3 | CHN |
| +050+ | 2.49 | Shelby Miller | 93.7 | SLN |
| +051+ | 2.46 | Hiroki Kuroda | 106.7 | NYA |
| +054+ | 2.35 | Mike Minor | 102.7 | ATL |
| +055+ | 2.33 | Francisco Liriano | 60.7 | PIT |
| +056+ | 2.32 | Mat Latos | 110 | CIN |
| +061+ | 2.24 | Madison Bumgarner | 111 | SFN |
| +063+ | 2.16 | Kris Medlen | 98.3 | ATL |
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