Towson held the Patriots (7-9, 1-4) to a season-low in points and forced 23 turnovers.
The Tigers took the lead for good on Kandace Davis' layup that fueled a 13-2 run with 6:32 left in the first half.
Holly Mahan added 14 points for Towson and Brittany Eley had 12 for George Mason.
Fairfield 48, Loyola 41 -- The visiting Greyhounds (8-9, 3-4 Metro Atlantic Athletic Conference) held the Stags (13-5, 3-4) scoreless for more than nine minutes in the second half and cut a 17-point deficit to three but could get no closer. Loyola shot 21.7 percent in the first half and 27.8 percent in the second. Loyola's Siobhan Prior led all scorers with 14 points, and Sabra Wrice had 13 for the Stags.
Vermont 65, UMBC 55 -- May Kotsopoulos scored 16 of her game-high 18 points in the second half to lead the host Catamounts (12-5, 3-1 America East) past the defending conference champion Retrievers (5-12, 1-3). Kristin Drabyn had 15 points and Carlee Cassidy added 12 for UMBC. Drabyn moved into second place on the Retrievers' career three-pointers-made list.