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Phil Mickelson, longtime swing coach Butch Harmon split

US golfer Phil Mickelson poses for pictures with his coach Butch Harmon and his trophy the Claret Jug after winning the 2013 British Open Golf Championship at Muirfield golf course at Gullane in Scotland on July 21, 2013. Mickelson won the British Open at Muirfield with a superb final round of 66. The 43-year-old American won with a three under total of 281, three strokes clear of Henrik Stenson who had a closing 70.AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

US golfer Phil Mickelson poses for pictures with his coach Butch Harmon and his trophy the Claret Jug after winning the 2013 British Open Golf Championship at Muirfield golf course at Gullane in Scotland on July 21, 2013. Mickelson won the British Open at Muirfield with a superb final round of 66. The 43-year-old American won with a three under total of 281, three strokes clear of Henrik Stenson who had a closing 70.AFP PHOTO/ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

Bruce Harmon (left) and Phil Mickelson had worked together since 2007.

ADRIAN DENNIS AFP

Phil Mickelson and his longtime swing coach Butch Harmon have split, according to a statement Mickelson sent to Golf.com on Wednesday.

"I've learned a great deal from him in our eight years together," Mickelson said in the statement. "It's just that at the moment I need to hear new ideas from a different perspective."

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Mickelson and Harmon, who first teamed up in 2007, had combined for 12 PGA Tour victories, including the 2007 Players, 2010 Masters and 2013 British Open.

Harmon, 72, still coaches several PGA Tour golfers, including Rickie Fowler and Dustin Johnson.

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