 The Chicago Bears granted him a professional try-out during their training camp in 2003, but Urlacher failed to make the final roster.The Chicago Rush arena football team signed him to play as a fullback and linebacker, but Urlacher failed to make the team's roster after training camp and was released.Upon his release, Casey signed with the Peoria Pirates of af2, then the Nashville Kats before being cut in 2005 and joining the Chicago Rush again for a short time.