Vaughn hit 8 of 18 shots for the Broncs (10-6, 4-2 Metro Atlantic Athletic Conference), who shot just 41% from the floor. Vaughn, who notched his fourth double-double of the season, made 3 of 6 from 3-point range as Rider buried 10 of 23 shots from distance (43.5%).
Reserve Braden Bell paced the Red Foxes (2-12, 1-4) with nine points and three steals.
The Broncs are 2-0 against Marist this season. Rider defeated Marist 74-64 on Dec. 16.