McIlroy had a chance to win it in regulation, but his birdie attempt missed low. Both Horschel and McIlroy made birdie on the first playoff hole, but it’s Horschel taking the title and adding another what-if to McIlroy’s 2024 season.

Rory McIlroy unintentionally accomplished something extremely rare on the golf course on Thursday: his 9-iron head broke off during a shot at the BMW PGA Championship.

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.