The fifth-seeded Blue Hens (22-10) advance to face top seed Hofstra on Monday in a semifinal game. Dylan Painter scored 14 points, Ryan Allen 12 and Mutts had 12 points with 11 rebounds. Delaware finished 27-of-53 shooting (50.9%), including 8 of 16 from 3-point range, and 17 of 21 from the foul line.
Delaware led 32-27 at halftime and extended the lead to 41-30 when Painter scored on a layup and sank 1 of 2 foul shots. Riller's 3 with 12:18 left brought Charleston within 47-43 before the Blue Hens gradually pulled away.
More AP college basketball coverage: https://apnews.com/Collegebasketball and http://twitter.com/AP-Top25