Rory McIlroy suffered his worst PGA Tour finish at RBC Canadian Open, missing the cut amid equipment struggles and backlash from fans.

Golf superstar Rory McIlroy sparked quite a bit of controversy last month when he made the decision not to speak to the media after all four rounds of the PGA Championship. And it sounds like the PGA Tour has some "concerns" about that move from the superstar.

Rory McIlroy's persistent refusal to engage with media at PGA Tour events has sparked growing concern amongst tour officials, particularly following his triumphant Masters victory that completed his career Grand Slam after a decade of attempts.