Texas Southern took a 23-20 lead late in the third quarter when Averion Hurts found Derrick Griffin in the back of the end zone for a 10-yard touchdown. But Alex Anderson returned the ensuing kickoff 75 yards to give Alabama State a 27-23 lead.
Richardson had 162 yards passing and 135 yards rushing for Alabama State (2-3, 2-2 Southwestern Athletic Conference). Alex Anderson rushed for 134 yards and a touchdown, and Khalid Thomas had 73 yards receiving and two scores.
Brad Woodard rushed for 130 yards and a touchdown for Texas Southern (2-3, 1-3).