CHARLOTTE - Rory McIlroy, off to a slow start in the PGA Championship at Quail Hollow Club in Charlotte, reportedly is using ...

Rory McIlroy's PGA Championship driver switch has put driver testing under a microscope this week. Here's what you need to ...

Why was Rory McIlroy's driver non-conforming, what is the process for testing on tour and what does it all mean? Let's ...

The Masters champion is reportedly playing with a backup driver after his regular was deemed non-conforming via testing that is common around tournaments.

After initially providing no comment on a report that Rory McIlroy’s driver had been deemed non-conforming during a USGA test of the club on Tuesday ahead of the PGA Championship, the PGA of America ...

Despite the off-course buzz, McIlroy remains one of the most dominant figures in golf. Just last month, he claimed his first ...

Rory McIlroy was forced to change his driver midway through the PGA Championship after a rules violation, but what does it ...