Delaware (15-7, 7-0 Colonial Athletic Association) used a 21-3 run to open up a 23-6 lead midway through the first half. An 11-1 spurt, which was sparked and capped by 3-pointers from Usher, opened up a 42-18 Delaware advantage with 3:45 left in the half.
Daniel Dixon's 3-pointer cut the William and Mary (12-8, 4-3) deficit to 59-50 with 12:13 left, but Delaware scored 13 of the next 18 to push its lead to 17 and the Tribe never threatened again.
Marcus Thornton paced the Tribe with 19 points. Dixon set career-highs with 15 points and six rebounds.
College basketball coaches across the country will hit the recruiting trail hard in July to target the Class of 2017's top prospects. Which players are the nation's top programs targeting?
Former Duke guard Derryck Thornton announced he will transfer to USC. The one-time highly touted recruit will have three seasons to play for the Trojans after sitting out next season.
After losing six players this spring, Michigan State could lose at least five after next season. The Spartans will look to reload in the frontcourt.