The Golden Panthers closed on an 8-0 run. After Mavin split a pair of free throw attempts, Marco Porcher Jimenez hit a 3-pointer to pull FIU within 52-49 with 2:09 remaining. Both teams missed jumpers before Divine Myles fouled Mavin, who made both free throw attempts before scoring his game-winning layup.
Mavin shot 3 of 12 from the floor and made nine of 12 free throws.
Kentwan Smith scored Stetson's (1-2) last bucket, a 3-pointer with 3:10 remaining to give the Hatters a 52-45 lead. Myles scored 11 points on 5-of-12 shooting.