The Eagles (11-8, 5-1 Atlantic Sun) overcame a 10-point deficit, surging back to tie the score at 49 midway through the second half. Fieler fueled a 9-2 run with a dunk, two free throws and a three-point play to grab a six-point lead with 3:36 remaining.
USC-Upstate (9-9, 2-3) pulled within two after layups by Jodd Maxey and Ricardo Glenn. Following an Eric McKnight dunk, Maxey had a tip-in to make it 62-60. The Spartans had three chances to tie the score, but missed two layups and turned it over in the final seconds.
FGCU scored 17 points off turnovers and had a 13-8 advantage in second-chance points. Brett Comer scored 10 points.