Rory McIlroy, of Northern Ireland, hits out of the bunker on the 12th hole during the second round of the PGA Championship golf tournament at Valhalla Golf Club on Friday, Aug. 8, 2014, in Louisville, Ky. (AP Photo/David J. Phillip)LOUISVILLE, Ky. (AP) — On a soggy day at Valhalla, Rory McIlroy surged to the lead of the PGA Championship.