Maggert moved to 14 under with the strong finish after entering the day tied for the top spot with Kevin Sutherland at Shoal Creek. Sutherland was a stroke back. His birdie attempt on No. 18 missed by a couple of inches to set up a tap-in for a 69.
Sutherland was alone at the top until a bogey on No. 16 brought him even with Maggert, who had a bogey-free round. Both birdied No. 17
Fred Funk was third at 18 under afer a 67. He won the tournament in 2008 and 2010.