Rory McIlroy's grip on the world number one spot in golf loosened Friday after a disastrous seven-over-par 79 at the European Tour's PGA Championship at Wentworth saw the Northern Irishman miss the cut.
Rory McIlroy's first round as new world number one ended in a disappointing one-over par 73 as Adam Scott and Jason Dufner set the pace in the WGC-Cadillac Championships at Doral in the U.S. state of Florida.
Rory McIlroy and Lee Westwood scored convincing third round victories at the WGC World Match Play Championship in Arizona Friday to maintain their hopes of claiming the No. 1 ranking spot this weekend.
World number one Luke Donald has already set his sights on winning his first major in 2012, ahead of a weekend which could see the Englishman become the first golfer to top both the European and PGA Tour money lists.
World number two Rory McIlroy retained a share of the lead at the Hong Kong Open despite a poor finish to Friday's second round, keeping alive his hopes of overhauling Luke Donald at the top of the European Tour money list.