Rory McIlroy wins PGA Championship at Valhalla . Second straight major for world number one . Has to withstand challenge from U.S. pair Mickelson and Fowler . In near pitch darkness , the 25-year old from Northern Ireland parred the final hole for a three-under 68 to finish on 16-under 268 and deny American veteran Mickelson his sixth major title at 44 years of age . The world's top golfers are set to play in the same tournament on Sunday.
Rory McIlroy wins PGA Championship at Valhalla . Second straight major for world number one . Has to withstand challenge from U.S. pair Mickelson and Fowler . The world's top golfers are set to play in the same tournament on Sunday.