Rory McIlroy's new driver brings about concern as he shoots second-highest PGA Tour score before U.S. Open

Colin Cowherd reacts to Rory McIlroy winning the Masters in a playoff thriller and completing the career Grand Slam.

Rory McIlroy might have some serious driver troubles heading into next week’s U.S. Open. 

The 2025 Masters winner missed the cut by 12 strokes at the RBC Canadian Open, shooting an 8-over 78 on Friday, which was his second-highest score in any PGA Tour event for his career. 

The last time McIlroy shot a 78 was in the first round of The Open in 2024. 

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Rory McIlroy hits his tee shot on the eighth hole during the second round of the RBC Canadian Open golf tournament.  (Dan Hamilton-Imagn Images)

McIlroy said his round "concerns me," and what professional golfer wouldn’t be worried after carding a quadruple bogey as well as one double bogey and four bogeys to go with just two birdies. 

"You don’t want to shoot high scores like the one I did today," McIlroy said, per ESPN. "Still, I felt like I came here obviously with a new driver thinking that that sort of was going to be good and solve some of the problems off the tee, but it didn’t."

RORY MCILROY DEFENDS RIGHT TO SKIP MEDIA SESSIONS AFTER NONCONFORMING DRIVER NEWS LEAKED AT PGA CHAMPIONSHIP

McIlroy’s driver has been a point of emphasis since the PGA Championship last month, where it was leaked that he had a nonconforming driver that was unusable after pre-tournament testing. 

Scottie Scheffler, the winner at Quail Hollow Club that week, also had a nonconforming driver, but his name wasn’t publicly known. However, McIlroy was ticked off his name got out there, and he skipped media sessions the entire tournament. He went on to finish T-47th. 

Before teeing off this week in Toronto, McIlroy admitted being