DeRias Johnson's 3-pointer extended Southern's lead to 26-15 and Sam's 3 just before the halftime buzzer made it 48-29.
Emanual Shepherd had 13 points and seven rebounds for Southern (2-5), which beat Tennessee-Martin 69-66 last Wednesday. Aaron Ray added 10 points. The Jaguars went to the free-throw line 33 times compared to the Wildcats' 18.
Sam was 10 of 20 from the field and the Jaguars made 49 percent of their shots.
Coach K, Duke land blue-chip '20 guard Steward
D.J. Steward, a five-star shooting guard in the 2020 class, selected Duke over Texas and Louisville, giving Mike Krzyzewski his third five-star recruit in next year's group.
Spinal surgery gives UConn's Hurley new outlook
Less than two weeks after having surgery for a degenerative spinal condition that required replacing two disks in his neck with artificial ones, UConn coach Dan Hurley is back at work full-time.
The complicated legacy of Rick Pitino
Rick Pitino's resume as a basketball coach is largely one of success, but his off-court controversies have left a shadow over his legacy.