Del Moral's nine-under round boosted him to the top of the leader board with a three-round score of 17-under 199, three shots ahead of second-place Joakim Lagergren.
Lagergren, who started the day in second, finished with a two-under 70 Saturday. Second-round leader Oliver Wilson shot par but slipped to third place with a 203 for the tournament.
Del Moral's round was not marred by any bogeys and included six birdies on the front nine and birdies on the final three holes.
Beyonce flaunts bikini body, Blue Ivy in vacation pics
Jordana Brewster on Paul Walker: 'He was an enormous presence in my life'