The Cougars (19-8, 11-4), who won for the seventh time in eight games, earned a split of their season series with the Eagles (11-16, 5-9). Georgia Southern held Charleston to its lowest output of the season when the Eagles won 51-47 on Jan. 17.
Charleston led 61-38 with 7:51 remaining before a 3-pointer by Eric Ferguson started a 19-2 run that brought Georgia Southern to within six, 63-57, at the 1:38 mark.
Layups by Anthony Stitt and Baru restored a 10-point margin. Stitt finished with 11 points.
Ferguson scored 22 points for Georgia Southern and C.J. Reed added 16. Reed, who played his first three college seasons for Bethune-Cookman, now has 2,004 career points.
Mike Brey is looking at former Notre Dame players to fill two assistant jobs that have opened up with the departures of Martin Ingelsby and Anthony Solomon.
Purdue's 2016-17 prospects got a jolt Wednesday when forward Caleb Swanigan announced he will return for his sophomore season.
Clemson's Jaron Blossomgame says he is withdrawing from the NBA draft and returning to school for a final season.