By Tony Jimenez TROON, Scotland (Reuters) - Henrik Stenson's record-breaking British Open triumph was all the more memorable because he achieved it by outplaying the great Phil Mickelson, the Swede said on Sunday. Stenson finished three strokes ahead of the five-times major winner in a riveting head-to-head duel, his closing eight-under-par 63 equaling the previous lowest round in a major. Mickelson had to settle for second place despite shooting a sparkling 65 of his own. "We both played some great golf," Stenson told reporters. "It makes it even more special to beat a competitor like Phil... ... More...