McIlroy shot 66 after getting up and down for par at No. 18 after hitting into water off his second shot. The No. 3-ranked Northern Irishman, who won the event in 2014, was tied for second place with 2021 champion Billy Horschel, whose round of 65 included a run of seven straight birdies -- featuring holed putts totaling 130 feet -- from No. 8.

Rory McIlroy lost the club head on his 9-iron and then lost the lead by going out of bounds on the last hole in shooting an eventful 5-under 67 in the first round of the BMW PGA Championship