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. McIlroy hit a monster second shot on the par-5 12th Hole at the Wentworth Club,

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.

Rory McIlroy once threw his 3-wood in frustration at the 2016 British Open at Royal Troon and broke it, and there was that time at the 2015 WGC-Cadillac Championship at Doral when he angrily t