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HONOLULU, HI - JANUARY 13: Jordan Spieth (L) of the United States and Justin Thomas of the United States shake hands after finishing on the 18th green during the second round of the Sony Open In Hawaii at Waialae Country Club on January 13, 2017 in Honolulu, Hawaii. (Photo by Sam Greenwood/Getty Images)

HONOLULU, HI - JANUARY 13:  Jordan Spieth (L) of the United States and Justin Thomas of the United States shake hands after finishing on the 18th green during the second round of the Sony Open In Hawaii at Waialae Country Club on January 13, 2017 in Honolulu, Hawaii.  (Photo by Sam Greenwood/Getty Images)