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.
TCU had a lot to overcome, from torrential rains to an ankle injury that slowed Trevone Boykin, but the Horned Frogs dug deep to knock off Baylor.
Check out highlights from TCU's 28-21 double-overtime win over Baylor.
In a game that was marked by inclement weather, TCU prevails for the victory over Baylor in double overtime.
SEC Nation previews the Ole Miss vs. Mississippi State matchup.
SEC Nation previews the matchup between in-state rivals Florida and Florida State.
Players and coaches from Alabama and Auburn discuss the tradition of the Iron Bowl and the 2015 matchup.
|Mississippi Valley State||1-8||1-10|
|Prairie View A&M||8-1||8-2|