Rory McIlroy’s assessment of his play this week at the PGA Championship will remain a mystery. He declined to speak to the media for the fourth consecutive day. At a place that he has dominated like no other in his career,

Rory McIlroy had to switch drivers ahead of the first round of the PGA Championship after his gamer was deemed non-conforming, according to a report by SiriusXM PGA Tour Radio. McIlroy is known as the best driver of the golf ball of his generation.

McIlroy came in as the co-favorite, but his long-time dominance didn't show up in the first round as he struggled to a 74