After receiving his first PGA Tour paycheck in 2010, Rory McIlroy admitted to buying a "horrific" diamond watch which he now believes was the worst purchase ever

On Wednesday at the PGA Championship, McIlroy was asked if he remembered how he spent that first paycheck, which prompted a rather sheepish admission from the five-time major champion. Watch it and wince. RELATED: Ohio golfer wins $150,000 Powerball prize with lotto ticket purchased on golf trip

McIlroy was just 19 years old when he made his PGA Tour debut at the 2009 WGC-Accenture Match Play, where he finished in a tie for fifth place.