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NORTON, MA - SEPTEMBER 02: Phil Mickelson of the United States plays his second shot on the 18th hole during the first round of the Deutsche Bank Championship at TPC Boston on September 2, 2016 in Norton, Massachusetts. (Photo by David Cannon/Getty Images)

NORTON, MA - SEPTEMBER 02:  Phil Mickelson of the United States plays his second shot on the 18th hole during the first round of the Deutsche Bank Championship at TPC Boston on September 2, 2016 in Norton, Massachusetts.  (Photo by David Cannon/Getty Images)