The 34-year-old McIlroy will be among the tournament's strongest field since Bing Crosby started the event in 1937. The difference for McIlroy this season is his continuing loyalty to the PGA Tour and the lure of money.
While Dunlap got the celebration Sunday for one of the most impressive performances in recent golf history, he doesn't get the $1.5 million first-place prize.
Nick Dunlap became the first amateur in 33 years to win on the PGA Tour, making a 6-foot par putt on the final hole for a one-shot victory over Christiaan