The Frustration of Fan Interference: When Golf Meets Politics Rory McIlroy's outburst at the PGA Championship was a momentary lapse in what has otherwise been a remarkably composed career.
However, it highlighted a growing concern that golfers face on American soil – increasingly shrill and often abusive fan behavior.
McIlroy has spoken out before about the verbal abuse he endures during major tournaments, particularly in the United States.