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 will return to action at this week's RBC Canadian Open and is expected to break his silence on a number of key ...

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.

Rory McIlroy was one of roughly 50 players whose drivers were tested before the PGA Championship as part of a normal procedure aimed at monitoring club limits.

Bob Harig writes how the testing issue from the PGA Championship lives on because of the sport’s lack of transparency. Also: Scottie Scheffler’s run.

RORY MCILROY is set to break his media silence at this week’s RBC Canadian Open. The Down native hasn’t spoken to the press ...

Rory McIlroy and Scottie Scheffler's drivers were deemed "nonconforming" during a standard test earlier this week at Quail ...

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

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

Amid Rory McIlroy's silence during the PGA Championship, Lucas Glover exposed how PGA Tour players bypass driver testing, ...

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 ...

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.