 After ineffective performances in the first two games, both blowout losses, Bradford was pulled in favor of rookie Josh Rosen in the final moments of a Week 3 loss to the Chicago Bears.As the Cardinals decided to keep Rosen as their starting quarterback, Bradford was inactive for the next five weeks before ultimately being released on November 3, 2018.Bradford's deal with the Cardinals is considered one of the worst free agent signings of the 2010s.