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SUNNINGDALE, ENGLAND - JULY 26: Marco Dawson of United States is presented with the trophy by Arnaud Laborde, Rolex S.A, Golf Sponsorship after the final round of The Senior Open Championship played at the Old Course, Sunningdale Golf Club on July 26, 2015 in Sunningdale, United Kingdom. (Photo by Phil Inglis/Getty Images)

SUNNINGDALE, ENGLAND - JULY 26:  Marco Dawson of United States is presented with the trophy by Arnaud Laborde, Rolex S.A, Golf Sponsorship after the final round of The Senior Open Championship played at the Old Course, Sunningdale Golf Club on July 26, 2015 in Sunningdale, United Kingdom.  (Photo by Phil Inglis/Getty Images)