Rory Mcilroy

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Rory McIlroy, of Northern Ireland, reacts after missing a putt on the fifth hole during the second round of the Wells Fargo Championship golf tournament in Charlotte, N.C., Friday, May 2, 2014. (AP Photo/Nell Redmond)

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Rory McIlroy, of Northern Ireland, watches his tee shot on the fourth hole during the second round of the Wells Fargo Championship golf tournament in Charlotte, N.C., Friday, May 2, 2014. (AP Photo/Nell Redmond)

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Rory McIlroy watches his tee shot on the 11th hole during the first round of the Wells Fargo Championship golf tournament in Charlotte, N.C., Thursday, May 1, 2014. (AP Photo/Chuck Burton)

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Rory McIlroy lines up a putt on the 11th hole during the first round of the Wells Fargo Championship golf tournament in Charlotte, N.C., Thursday, May 1, 2014. (AP Photo/Chuck Burton)

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Rory McIlroy eyes his putt on the 18th green during the pro-am of the Wells Fargo Championship golf tournament at Quail Hollow Club in Charlotte, N.C., Wednesday, April 30, 2014. (AP Photo/Bob Leverone)

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Rory McIlroy signs autographs for fans as he finishes his round in the pro-am of the Wells Fargo Championship golf tournament at Quail Hollow Club in Charlotte, N.C., Wednesday, April 30, 2014. (AP Photo/Bob Leverone)

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Rory McIlroy grimaces as he hits from the fairway to 16th green during the pro-am of the Wells Fargo Championship golf tournament at Quail Hollow Club in Charlotte, N.C., Wednesday, April 30, 2014. (AP Photo/Bob Leverone)

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Tennis player Caroline Wozniacki watches her fiancee Rory McIlroy, of Northern Ireland, during the first round of the Masters golf tournament Thursday, April 10, 2014, in Augusta, Ga. (AP Photo/Darron Cummings)

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Rory McIlroy, of Northern Ireland, walks with his fiancee and tennis player Caroline Wozniacki after Wozniacki putted on the ninth hole during the par three competition at the Masters golf tournament Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/David J. Phillip)