Mathiang Muo scored 15 points, all on 3-pointers, and grabbed 11 rebounds to lead Charleston Southern to a 54-47 victory Thursday in a Big South Conference quarterfinal.
Muo hit three 3-pointers in the first half as the Buccaneers (18-11) built a 31-22 halftime lead.
The Eagles (14-17), who split two games with Charleston Southern in the regular season, rallied to trail 41-40 in the second half, but two free throws by Malcolm Bernard and Arlon Harper's layup made it 45-40. Muo's final 3-pointer gave Charleston Southern a 52-46 advantage with 2:35 left.
Harper scored 11 points for the Buccaneers, the South Division's top seed. All-Big South guard Saah Nimley made just 1 of 13 shots and had seven points. Charleston Southern shot just 28 percent (14 of 50) but had a 45-28 rebounding edge.
Joab Jerome scored 15 points for Winthrop, which defeated Radford in the opening round.