The Masters champion hit just five of 14 fairways Thursday at Aronimink and bogeyed his last four holes.

McIlroy labours to 74 as playing partners Jordan Spieth and Rahm steal early momentum

Rory McIlroy struggled with wayward tee shots in a four-over par 74 start Thursday at the PGA Championship, then was asked to describe his frustrating round at breezy Aronimink.

Rory McIlroy had a blister on his right pinky toe during practice rounds for the PGA Championship. That was the least of his worries Thursday at Aronimink.

Rory McIlroy’s first round at the PGA Championship was a struggle. It was also a learning experience.

The Masters champion hit just five of 14 fairways Thursday at Aronimink and bogeyed his last four holes.