Cam Davis slumps at PGA Championship, Jhonattan Vegas leads after second round

Australia’s Cam Davis has fallen off the pace with a disappointing second round at the PGA Championship at Quail Hollow in Charlotte, North Carolina.

Davis was two shots off the lead at 5-under-par after his first round but followed up with a 3-over 74.

He sits in a share of 27th place at 2-under…