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NORTON, MA - SEPTEMBER 06: Phil Mickelson stands on the 13th green during round three of the Deutsche Bank Championship at TPC Boston on September 6, 2015 in Norton, Massachusetts. (Photo by Maddie Meyer/Getty Images)

NORTON, MA - SEPTEMBER 06:  Phil Mickelson stands on the 13th green during round three of the Deutsche Bank Championship at TPC Boston on September 6, 2015 in Norton, Massachusetts.  (Photo by Maddie Meyer/Getty Images)