In a rare move under today's football system, Walls actually started both positions in a game against Memphis State University.
[3] Despite early success in his career, including catching a nine-yard pass in the 49ers 55–10 rout of the Denver Broncos in Super Bowl XXIV, he was second on the depth chart behind All-Pro Brent Jones.
Walls spent two seasons with the Saints, setting the team record for tight end receptions in 1995 with 57.
After Carolina declined to re-sign him in 2003, he signed with the Green Bay Packers, mostly backing up Bubba Franks, and retired the following year.
On July 9, 2019, the Panthers announced that Walls would be inducted into the team's Hall of Honor along with Jake Delhomme, Jordan Gross, and Steve Smith Sr.