HOUSTON (AP) — Arvell Nelson threw for three touchdowns and ran for one more Saturday in Texas Southern’s dominant 51-21 win over Alcorn State.

The game was tied at 21 going into the last quarter, but Nelson’s scoring run and two of his TD throws helped Texas Southern (3-4, 2-1 Southwestern Athletic) score 30 unanswered points. Nelson went 19 for 33 for 193 yards overall.

Running back Randall Newsome carried for two touchdowns, and Martin Gilbert ran for one. Defensive lineman John Cole scored a safety.

Tim Buckley, quarterback for Alcorn State (2-5, 2-3), threw for two TDs and 186 yards. He also had four interceptions. Running back Arnold Walker ran for the team’s only other score.