NORTH CHARLESTON, S.C. (AP) Joe Chealey scored 22 points and top-seeded Charleston defeated No. 8 seed Drexel 66-59 on Sunday to advance to the Colonial Athletic Association Tournament semifinals.

Charleston (24-7) will play fourth-seeded William & Mary - an 80-66 winner over No. 5 seed Towson later Sunday - on Monday.

Grant Riller added 17 points in surpassing 1,000 in his career and Jarrell Brantley had 12 points and 11 rebounds, his 21st career double-double, for the Cougars, who shared the regular-season title with Northeastern but got the No. 1 seed by virtue of a season sweep of the Huskies.