As Rory McIlroy stood on the tee at Bethpage Black last September, trying to focus on the biggest team event in golf, thousands of fans packed around him. Some cheered. Many more jeered. Earlier, the first tee MC, Heather McMahan, had led a chant of ‘F—k Off, Rory’ on the public address system. Later, a cup of beer was hurled in the direction of McIlroy’s wife, Erica. By the end of the Ryder Cup, the world number two ranked golfer was being escorted around the course by a small army of security