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

USGA driver testing has been a big topic this week, and Xander Schauffele threw more fuel on the fire on Sunday ...

Rory McIlroy’s regular driver was tested and deemed to be nonconforming after ... and he had to scramble for a replacement at ...

Rory McIlroy and Scottie Scheffler's drivers failed conformance tests at the PGA Championship. Could YOU be using an illegal ...

USGA CEO Mike Whan defended the recent driver testing that reportedly ensnared two of the game’s biggest stars at the PGA ...

A day late, the PGA of America finally issued a statement about Rory McIlroy’s driver being deemed “non-conforming’’ ...

McIlroy's driver is believed to have been deemed non-conforming Tuesday. When reached for comment, the USGA confirmed testing ...

According to a report, the Masters champion had his regular driver deemed non-conforming Tuesday and had to put a backup in play at Quail Hollow.

It didn’t really register in my head because I know, one, it’s, like, we hit our drivers a lot, so, like, they creep and then ...

We take a look at why the driver of Grand Slam completer Rory McIlroy was deemed non conforming at the 2025 PGA Championship.

Mike Whan, executive director of the USGA, is not sure that golfers can manipulate the system, confirming that they keep a ...

Rory McIlroy did not meet the media once during the PGA Championship, even after his driver was replaced after failing a test ...