After Jamil Wilson's two free throws made it 71-69, Davante Gardner deflected Clarke's pass intended for Kellen Dunham underneath and then made the first of three late free throws for 74-70 lead with 4.7 seconds left.
After Union's Matt Wilkins was hit with a five-minute major and a game misconduct for a hit from behind at 6:27 of the second, Jordan Samuels-Thomas, who scored the tying goal Saturday, scored at 7:22 and Peca assisted on a Kellen Jones goal at 11:42.