Maddox joined the Steelers in 2001 after being named the MVP of the XFL in its only season. He was named the starting quarterback after the third game of the 2002 season and went on to win the NFL Comeback Player of the Year award.
Maddox passed for 3,414 yards, set a team record with six 300-yard games and led the team to an AFC Divisional playoff game.
In five seasons with the Steelers, Maddox completed 603 of 1,036 passes for 7,139 yards, 42 touchdowns and 40 interceptions.
Maddox was drafted by Denver in 1992 after leaving college following his sophomore season at UCLA. He played four years in the NFL with Denver, St. Louis and San Francisco before joining the Steelers.
Justin Bieber crashes Drake Bell's album release party
Rosie O'Donnell unveils nearly 50-pound weight loss