The U.S. Open

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Jordan Spieth watches his tee shot on the sixth hole during the final round of the U.S. Open golf tournament at Chambers Bay on Sunday, June 21, 2015 in University Place, Wash. (AP Photo/Charlie Riedel)

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Jason Day, of Australia, left, walks off the 18th green with his caddie Colin Swatton after their third round of the U.S. Open golf tournament at Chambers Bay on Saturday, June 20, 2015 in University Place, Wash. (AP Photo/Lenny Ignelzi)

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Jordan Spieth hits out of the tall fescue grass on the 18th hole during the second round of the U.S. Open golf tournament at Chambers Bay on Friday, June 19, 2015 in University Place, Wash. (AP Photo/Charlie Riedel)

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Rory McIlroy, of Northern Ireland, watches his tee shot on the fourth hole during the first round of the U.S. Open golf tournament at Chambers Bay on Thursday, June 18, 2015 in University Place, Wash. (AP Photo/Matt York)

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Mike Davis, Executive Director of the USGA, attends a news conference during the U.S. Open golf tournament at Chambers Bay on Wednesday, June 17, 2015 in University Place, Wash. (AP Photo/John Locher)

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Rory McIlroy, of Northern Ireland, warms up on the range before a practice round for the U.S. Open golf tournament at Chambers Bay on Tuesday, June 16, 2015 in University Place, Wash. (AP Photo/Lenny Ignelzi)

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Byeong-Hun An, of South Korea, hits out of the bunker on the first hole during a practice round for the U.S. Open golf tournament at Chambers Bay on Monday, June 15, 2015 in University Place, Wash. (AP Photo/Ted S. Warren)

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Maria Kirilenko (Washington Capitals' Alexander Ovechkin), of Russia, reacts after winning a point against Maria Sharapova, of Russia, during the opening round of the U.S. Open tennis tournament Monday, Aug. 25, 2014, in New York. (AP Photo/Darron Cummings)

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Elena Dementieva (former Atlanta Thrasher Maxim Afinogenov) of Russia runs to the net after beating Daniela Hantuchova of Slovakia 7-5, 6-2 at the U.S. Open tennis tournament in New York, Friday, Sept. 3, 2010. (AP Photo/Kathy Willens)

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Novak Djokovic, of Serbia, reacts after defeating Andy Murray, of Britain, 7-6 (1), 6-7 (1), 6-2, 6-4 during the quarterfinals of the U.S. Open tennis tournament, early Thursday, Sept. 4, 2014, in New York. (AP Photo/John Minchillo)

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In this March 9, 2014, photo, Tiger Woods watches his tee shot on the 12th hole during the final round of the Cadillac Championship golf tournament in Doral, Fla. Woods withdrew from the U.S. Open on Wednesday, May 28, 2014, as he recovers from back surgery that has kept him out of golf for nearly three months. It will be the second U.S. Open, and sixth major, he has missed because of injury over the last six years. The U.S. Open is June 12-15 at Pinehurst No. 2, where Woods tied for third in 1999 and was runner-up in 2005. (AP Photo/Lynne Sladky)

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Erik Compton reacts to his birdie on the eighth hole during the final round of the U.S. Open golf tournament in Pinehurst, N.C., Sunday, June 15, 2014. (AP Photo/David Goldman)