Following Saban once again, Davis joined the Crimson Tide as the team's defensive line coach in 2007. There he won another championship in 2009. However he would leave following the 2010 season.
Following his three years coaching at Texas, and one week as USC's defensive line coach, Davis returned to Alabama in 2014 to coach the defensive line replacing Chris Rumph. Additionally he won another national championship in 2015. He resigned after a recruiting controversy.
Davis returned to the NFL once more to be the defensive line coach under Matt Patricia in Detroit. He stayed there until Patricia's firing during the 2020 season.
Texas (second stint)
Davis returned for a second stint with the Longhorns, this time under Steve Sarkisian working as their defensive line coach.
LSU (third stint)
Davis returned for a third stint with the Tigers in 2024 under Brian Kelly, working as the Tiger's defensive line coach.