U.S. team Phil Mickelson hits out of a bunker on the first hole during their singles matches of the 2015 Presidents Cup golf tournament at the Jack Nicklaus Golf Club in Incheon, South Korea, October 11, 2015. REUTERS/Kim Hong-Ji
(Reuters) - Phil Mickelson and swing coach Butch Harmon announced on Wednesday they have decided to part ways after an eight-year partnership that brought two majors among 12 PGA Tour victories.
Mickelson, 45, has slipped to 25th in the world after back-to-back winless seasons.
