Rory Mcilroy

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Rory McIlroy, of Northern Ireland, talks to his caddie while walking to the 12th hole during a practice round for the Masters golf tournament Tuesday, April 4, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)

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Rory McIlroy reacts to his birdie putt attempt on the sixth green during a practice round at the Masters golf tournament, Tuesday, April 4, 2017, in Augusta, Ga. (Curtis Compton/Atlanta Journal-Constitution via AP)

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Rory McIlroy, of Northern Ireland, left, and Sergio Garcia, of Spain, walk off the 16th tee during a practice round for the Dell Match Play Championship golf tournament at Austin County Club, Tuesday, March 21, 2017, in Austin, Texas. (AP Photo/Eric Gay)Rory

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FILE - In this file photo dated Friday, Nov. 18, 2016, Rory McIlroy of Northern Ireland plays a shot on the 2nd hole during the 2nd round of the DP World Tour Championship golf tournament in Dubai, United Arab Emirates. McIlroy has said Tuesday Jan. 24, 2017, he'll be ready to play again soon, and is targeting the Mexico Championship in March 2017, following a rib stress fracture injury.(AP Photo/Kamran Jebreili, FILE)

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FILE - In this file photo dated Thursday, Nov. 17, 2016, Rory McIlroy of Northern Ireland watches the flight of his ball on the 18th hole during the 1st round of the DP World Tour Championship golf tournament in Dubai, United Arab Emirates. McIlroy has said Tuesday Jan. 24, 2017, he'll be ready to play again soon, and is targeting the Mexico Championship in March 2017, following a rib stress fracture injury. (AP Photo/Kamran Jebreili, FILE)

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FILE - In this Oct. 27, 2016 file photo, Rory McIlroy, of Northern Ireland, hits a tee shot during the WGC-HSBC Champions golf tournament at the Sheshan International Golf Club in Shanghai, China. McIlroy is targeting the Mexico Championship in March as his return to tournament action from injury. McIlroy aggravated a rib stress fracture while finishing runner-up at the SA Open in Gauteng two weekends ago. Those injuries typically take about six weeks to heal, and he believes he'll be ready to play again in the first World Golf Championship of the year, from March 2-5. (AP Photo/Ng Han Guan, File)

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FILE - In this Thursday, Oct. 27, 2016 file photo, Rory McIlroy of Northern Ireland hits a tee shot during the WGC-HSBC Champions golf tournament at the Sheshan International Golf Club in Shanghai, China. Rory McIlroy turned in a third-round 67, to play an intriguing battle on Sunday Jan. 14, 2017. (AP Photo/Ng Han Guan, file)

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In this Aug. 28, 2016 photo, Rory McIlroy of Northern Ireland, right, and his caddy, J. P. Fitzgerald look down the fairway before McIlroy tees off from the first hole during the final round of The Barclays golf tournament in Farmingdale, N.Y.. McIlroy didn't have to check his bank account to know that his FedEx Cup bonus had been deposited. His caddie, J.P. Fitzgerald, informed him with a text message that a 'tsunami' had hit his account. McIlroy paid him a bonus of just over $1 million. "I think his words were, 'A tsunami just hit my bank account, so thank you very much,'" McIlroy said Wednesday, Oct. 26, 2016, on the eve of the HSBC Champions. (AP Photo/Kathy Kmonicek)

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Europe vice-captain Ian Poulter shares a laugh with Rory McIlroy before a practice round for the Ryder Cup golf tournament Tuesday, Sept. 27, 2016, at Hazeltine National Golf Club in Chaska, Minn. (AP Photo/David J. Phillip)

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Jordan Spieth, left, shakes hands with Rory McIlroy, of Northern Ireland, on the 18th green during the third round of the Masters golf tournament Saturday, April 9, 2016, in Augusta, Ga. (AP Photo/David J. Phillip)

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Rory McIlroy, of Northern Ireland, watches his tee shot on the first hole during the final round of the BMW Championship golf tournament at Conway Farms Golf Club, Sunday, Sept. 20, 2015, in Lake Forest, Ill. (AP Photo/Charles Rex Arbogast)

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Rory McIlroy, of Northern Ireland, catches a ball on the range before a practice round for the PGA Championship golf tournament Wednesday, Aug. 12, 2015, at Whistling Straits in Haven, Wis. (AP Photo/Chris Carlson)

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In this image released Monday July 6, 2015 by world number one golfer Rory Mcilroy shows him as he poses on crutches and with his left leg in a medical support. McIlroy ruptured a ligament in his left ankle while playing soccer less than two weeks before the start of his British Open title defense. The Northern Irish golfer gave no indication how long he would be out in the announcement Monday July 6, 2015 on his Instagram account, only saying that he is "working hard to get back as soon as I can." (Rory McIlroy via AP) MANDATORY CREDIT