Brady Heslip chipped in 13 points as the Bears (10-1) logged a 10th straight home victory.
Rico Gathers added 12 points with eight rebounds. Cory Jefferson also netted 12 points and Kenny Chery contributed 10.
Tre Lynch led Southern (3-9) with 27 points.
Ray Liotta sues skin care company over use of likeness
Aaron Carter is still in love with Hilary Duff