Jefferson's putback put the Mount (2-9) up 56-53 with 42 seconds left. The Eagles (5-4) had a chance to win, but the last-chance runner missed.
Mount. St. Mary's led 29-22 at the half. The win marked back-to-back victories after downing Division III Wilson, 74-59, Saturday.
West Virginia 72, Morgan State 37: The host Mountaineers (7-2) opened with a 22-6 run and routed the Bears (1-11).
— Baltimore Sun staff