There were eight ties and nine lead changes before the Greyhounds (18-9, 10-5 Metro Atlantic Athletic Conference) closed the first half with a 7-1 spurt to lead 37-32 at intermission.
The Golden Griffins (16-10, 9-6), who defeated Loyola 91-79 on Jan. 31, trailed by as many as 10 in the second half and could get no closer than three until Billy Baron's 3-pointer with 48 seconds remaining made it 66-64.
Cormier missed a layup and Baron a 3-pointer, then Anthony Winbush hit two free throws with 5 seconds left. Baron missed another 3-pointer with 2 seconds showing.
Julius Brooks added 13 points on perfect shooting for the Greyhounds.
NCAA title-game hero Kris Jenkins says he will withdraw his name for the NBA draft and will return to Villanova for his senior season.
Andy Katz breaks down the likelihood of Villanova, Syracuse, North Carolina or Oklahoma making a run to the Final Four next season.
Florida State has announced that Xavier Rathan-Mayes will return to the court for his junior season. The 6-foot-4 guard declared for the NBA draft last month but did not hire an agent.