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TROON, SCOTLAND - JULY 12: Luke Donald of England putts on the 18th during a practice round ahead of the 145th Open Championship at Royal Troon on July 12, 2016 in Troon, Scotland. (Photo by Matthew Lewis/Getty Images)

TROON, SCOTLAND - JULY 12:  Luke Donald of England putts on the 18th during a practice round ahead of the 145th Open Championship at Royal Troon on July 12, 2016 in Troon, Scotland.  (Photo by Matthew Lewis/Getty Images)