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UNIVERSITY PLACE, WA - JUNE 19: Rory McIlroy of Northern Ireland hits a shot on the 14th hole during the second round of the 115th U.S. Open Championship at Chambers Bay on June 19, 2015 in University Place, Washington. (Photo by David Cannon/Getty Images)

UNIVERSITY PLACE, WA - JUNE 19:  Rory McIlroy of Northern Ireland hits a shot on the 14th hole during the second round of the 115th U.S. Open Championship at Chambers Bay on June 19, 2015 in University Place, Washington.  (Photo by David Cannon/Getty Images)