Tyrone Lyons added 12 points for the Jaguars, who held the Bulldogs to 28.3 percent shooting, the lowest mark of the season for a Southern opponent.
Terrell Williams had eight rebounds for Southern (17-13, 11-6 Southwestern Athletic Conference).
Jalen Johnson had 16 points and eight rebounds for the Bulldogs (11-17, 10-8), whose six-game winning streak was snapped. Garrett Hicks added 12 points and eight rebounds.
The Jaguars improved to 2-0 against the Bulldogs on the season. Southern defeated Alabama A&M 73-64 on Feb. 5.
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