Junior Robinson had 21 points for Mount St. Mary's (10-10, 4-3) and Greg Alexander added 16, both hitting four 3s as the team finished 11-for-22 from distance. The Mountaineers were just 1-for-7 in the second half.
Alexander had 14 points and Mount St. Mary's made 10 of 15 3-pointers in the first half to open a 44-39 lead. Jordan hit two 3s and Sanabria another as the Terriers scored 13-straight to take a 55-50 lead with 11 minutes remaining. Robinson twice made it a 2-point game with less than six minutes remaining but down the stretch Dunn made two jumpers and the Terriers went 6-for-6 from the free-throw line.
Notre Dame (Md.) 71, Clarks Summit 46: Zaria Comer had 23 points and 11 rebounds to lead the host Gators (5-10, 2-6 Colonial States Athletic Conference) over the Defenders (0-15, 0-7).
Adrianna Fletcher scored 12 points and Ashley Guy and Dania Taylor each added 10 points for Notre Dame.