Golf : Yuan Yechun leads by one-stroke after the second round of Australian PGA Championship

China's Yuan Yechun bogeyed two of his final four holes, but still carded a 65 that left him at 9-under 135 after 36 holes. Anthony Quayle was in second place, a stroke behind, after a 66. Adam Scott was two strokes off the lead and tied for third place after a second-round 5-under 67 at the Australian PGA championship.