Rory McIlroy defended his decision not to speak to the media after each of his four rounds at last month's PGA Championship, saying Wednesday that he was upset about news leaking that his driver had been declared nonconforming in pre-tournament testing during what was already a "weird week."

McIlroy, who became the sixth golfer to complete the career Grand Slam by capturing a green jacket at the Masters, declined to talk to reporters each day while tying for 47th at the PGA Championship at Quail Hollow Club in Charlotte, North Carolina.

During the second round, Sirius XM PGA Tour Radio reported that McIlroy's driver had been deemed nonconforming in testing earlier in the week by the United States Golf Association and that he couldn't use it during the tournament.

The PGA of America lat

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