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UNIVERSITY PLACE, WA - JUNE 18: Phil Mickelson of the United States gives a thumbs-up as he leaves the 11th green during the first round of the 115th U.S. Open Championship at Chambers Bay on June 18, 2015 in University Place, Washington. (Photo by Andrew Redington/Getty Images)

UNIVERSITY PLACE, WA - JUNE 18:  Phil Mickelson of the United States gives a thumbs-up as he leaves the 11th green during the first round of the 115th U.S. Open Championship at Chambers Bay on June 18, 2015 in University Place, Washington.  (Photo by Andrew Redington/Getty Images)