Mathiang Muo chipped in 11 points to help Charleston Southern (14-9, 9-3) sweep UNC Asheville (15-12, 9-4) for the season, and claim first-place in the South Division.
UNC Asheville last led when Jon Nwannunu's jumper made it 58-57 with 8:07 remaining. The Bulldogs did not make another field goal until 39 seconds remained.
The Buccaneers went on a 15-2 run, capped by Muo's 3-pointer, to go up 72-60 with 1:35 to play.
Charleston Southern made 18 of its 34 shots, while UNC Asheville shot 41.7 percent (15 of 36), in the second half.
Nimley, Harper, and Muo each had seven rebounds, helping the Buccaneers outrebound the Bulldogs 44-35.
Trent Meyer's went 7 of 12 from 3-point range and scored a career-high 27 points for the Bulldogs.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.