Travis McConico added 14 points and Jordan Jones 10 for the Buccaneers (12-14, 7-8 Big South), who swept the season series from the Lancers (6-22, 3-12). Charleston Southern was only 3 of 12 from the arc but outscored Longwood 46-28 in the paint even though outrebounded 40-39.
Trailing by two at halftime, the Buccaneers got 11 points each from Mitchell and McConico in the second half with a 9-0 run capped by five straight points from Phlandrous Fleming snapping a 50-all tie. A jumper from Cortez with 3:09 remaining gave Charleston Southern a double-digit lead for good at 69-58.
Mike Krzyzewski switched to zone last season to mask his young team's defensive frailties. Will we see that again in 2018-19?
The cream of the crop of American high school basketball will congregate in Colorado Springs from Oct. 5-7, as USA Basketball unveils its newly expanded Junior National Team minicamp in collaboration with the NBA, NCAA and NBPA.
Missouri guard Cullen VanLeer is retiring from basketball after tearing his ACL in the Tigers' final regular-season game last season.