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 the last minute. All testing by the USGA is confidential. McIlroy has yet ...

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

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.

Glover, who said his driver also was tested at Quail Hollow and was found to be fine (“I don’t hit far enough to thin a face ...

RORY McILROY had his favourite driver snatched away from him at the USPGA Championship because a random test showed it broke ...

"I think, if we're going to do it, we might as well do it right, get more robust and get even more strict,” Scheffler said.

The USGA tested Rory McIlroy's driver and concluded that it did not meet established standards, forcing him to change it before the PGA Championship.

McIlroy’s driver was reportedly ruled non-conforming on Tuesday at the PGA Championship, and three days later McIlroy had hit just 10 fairways through 36 holes.

Rory McIlroy's PGA Championship performance overshadowed by driver controversy. USGA's non-conforming ruling led to equipment ...

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