By Mark Lamport-Stokes CHASKA, Minnesota (Reuters) - This week's Ryder Cup has been marred by hecklers shouting while European players are executing shots but England's Justin Rose says the offenders are a minority and he wants the focus to remain on the competition. The former U.S. Open champion and his Swedish playing partner Henrik Stenson were on the receiving end of boisterous and, at times, rude fans during Saturday's fourballs at Hazeltine, a distraction that Rose described as "inevitable". "It's whatever," Rose told Reuters about the heckling after he and Stenson had lost a match of high quality 2 and 1 to American young guns Patrick Reed and Jordan Spieth. More...