JaShaun Smith hit a 3 to reduce Longwood's deficit to 25-15 with 6:49 before halftime, but Cortez Mitchell made a layup and Fleming buried another 3 for a 15-point lead. Fleming's last 3 of the half put the Buccaneers up 42-23 at the break.
Charleston Southern extended its lead to 61-30 with a 19-7 run after intermission with Keeling scoring eight and Cortez Mitchell adding seven. Mitchell finished with 13 points and McConico scored 10.
Smith led Longwood (3-11) with 15 points.
In this exclusive excerpt from "Basketball: A Love Story," the icons who changed the game share the first moment the game changed them.
Mannion, who recently reclassified and is ESPN's No.11 overall player in the class of 2019, chose Arizona over Marquette.
He'll fit in with Sean Miller's plans for a faster tempo on offense.