Rory Mcilroy

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Europe’s Rory McIlroy hits a shot on the sixth hole during a practice round at the Ryder Cup PGA golf tournament Wednesday, Sept. 26, 2012, at the Medinah Country Club in Medinah, Ill. (AP Photo/Charlie Riedel)

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Europe's Sergio Garcia, left to right, Rory McIlroy, Luke Donald and captain Jose Maria Olazabal wait for the team picture during the Ryder Cup PGA golf tournament Tuesday, Sept. 25, 2012, at the Medinah Country Club in Medinah, Ill. (AP Photo/David J. Phillip)

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Tiger Woods, left, and Rory McIlroy, of Northern Ireland, walk up the fairway of the 17th hole during the first round at the Tour Championship golf tournament, Thursday, Sept. 20, 2012, in Atlanta. (AP Photo/David Goldman)

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Tiger Woods (left) and Rory McIlroy walk up the fairway of the 17th hole on Sept. 20, 2012, during the first round at the Tour Championship golf tournament in Atlanta. (Associated Press)

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Rory McIlroy of Northern Ireland hits an approach shot to the fifth green during the final round of the BMW Championship PGA golf tournament at Crooked Stick Golf Club in Carmel, Ind., Sunday, Sept. 9, 2012. (AP Photo/Charles Rex Arbogast)

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Rory McIlroy, of Northern Ireland, reacts after his birdie on the 16th hole during the BMW Championship PGA golf tournament at Crooked Stick Golf Club in Carmel, Ind., Sunday, Sept. 9, 2012. McIlroy won the event. (AP Photo/Charles Rex Arbogast)

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Rory McIlroy, of Northern Ireland, holds the Western Golf Association's J.K. Wadley trophy, left, and the BMW trophy after winning the BMW Championship PGA golf tournament at Crooked Stick Golf Club in Carmel, Ind., Sunday, Sept. 9, 2012. (AP Photo/Charles Rex Arbogast)