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

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

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

The USGA and PGA of America stayed true to its policy of not disclosing the names of players who failed this week's driver ...

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

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

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.

The PGA of America says Rory McIlroy was part of some 50 players who had drivers tested before the PGA Championship.

Rory McIlroy switched TaylorMade driver heads this week ahead of the PGA Championship. The reason why is unclear.

About 50 players including Rory McIlroy had their drivers tested ahead of the 2025 PGA Championship, according to a statement ...

Rory McIlroy's driver was reportedly deemed "nonconforming" during a standard test earlier this week at Quail Hollow.