Xander Schauffele has criticised the PGA Championship's driver testing procedures following the controversy surrounding Rory McIlroy. The reigning Claret Jug holder expressed his dissatisfaction with the current system after playing alongside McIlroy and Scottie Scheffler during the first two rounds at Quail Hollow.

Xander Schauffele counted on having the right mindset a year ago when he won a major for the first time at the PGA Championship. He'll try to replicate that approach this week as the tournament's defending champion.