Gibbs, who completed 18 of 38 passes, threw touchdowns of 23 and 9 yards in the first half as the Braves (4-6, 4-4) took a 14-10 lead into halftime.
After Walker's first rushing touchdown put Alcorn State back ahead 21-17, Johnson broke a 46-yard run to give the Tigers a 24-21 fourth-quarter lead.
But Alcorn was not finished, as Walker's second touchdown, this time from 1-yard out, swung the lead back into Alcorn State's favor, 27-24, and Gibbs' third touchdown pass put the game away.
SEC Network highlights Gator student-athletes graduating this weekend, including gymnast Bridget Sloan and linebacker Jelani Jenkins.
SEC Network's Marcus Spears and Kevin Weidl break down the best fit, top value and Saturday sleeper after Day 2 of the 2016 NFL Draft.
Former Auburn OT Shon Coleman, who was diagnosed with leukemia in 2010, speaks at St. Jude Children's Research Hospital about being drafted by the Browns.
Former Florida DE Jonathan Bullard discusses reaching his dream of being drafted as he was selected in Round 3 by the Chicago Bears.
SEC Network's Marcus Spears and Kevin Weidl react to the Tide players taken on Day 2 of the NFL Draft and predict what's in store for Henry and Ragland.
Edward Aschoff and Paul Finebaum break down what's going on at Ole Miss following Laremy Tunsil's admission that he took money from an Ole Miss official.
|Mississippi Valley State||1-8||1-10|
|Prairie View A&M||8-1||8-2|