Davis was also a member of the Chicago Bears, Oakland Raiders, New York Jets, Hartford Colonials and Virginia Destroyers.
He led Lingbergh to its first-ever district title and a berth in the state playoffs and tallied 54 tackles and three interceptions as a senior He was named second-team All-South by the St. Louis Post-Dispatch as both a defensive back and wide receiver.
Davis was not selected in the 2006 NFL draft but signed with the Philadelphia Eagles as an undrafted free agent.
Jason was featured on the reality sports documentary television series Hard Knocks produced by NFL Films and HBO.
The battle for the starting fullback position between Jason, veteran Tony Richardson, and rookie John Conner was heavily featured.