Gibbs split a pair of free throws to leave Texas Southern trailing 65-64 with 2:47 left in overtime. Alabama A&M missed its next six shots. Gibbs missed a layup with 19 seconds left, but Shepherd was there for the rebound and the put-back dunk to give the Tigers their first lead in the extra period.
Ladarius Tabb, who had 16 points and 13 rebounds, had a chance to win it for the Bulldogs (5-14, 4-5) in regulation, but his jump shot rolled off the rim as time expired. Nicholas West and Rakiya Battle had 13 apiece.