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JOHANNESBURG, SOUTH AFRICA - JANUARY 15: Rory McIlroy of Northern Ireland tees off on the sixth hole during the final round of the BMW South African Open Championship at Glendower Golf Club on January 15, 2017 in Johannesburg, South Africa. (Photo by Warren Little/Getty Images)

JOHANNESBURG, SOUTH AFRICA - JANUARY 15:  Rory McIlroy of Northern Ireland tees off on the sixth hole during the final round of the BMW South African Open Championship at Glendower Golf Club on January 15, 2017 in Johannesburg, South Africa.  (Photo by Warren Little/Getty Images)