 Ryan went on to coach at three different colleges following his tenure with the Cardinals , though by the time he joined Kansas State in 1999 , he was hopeful of a return to the NFL . Ryan received a call from newly named head coach Brian Billick of the Baltimore Ravens , who wanted to interview him for the defensive line coaching position . Having visited a class Ryan was teaching earlier in his career , Billick had been so impressed by Ryan 's passion for the game of football that he decided to hire Ryan if he ever attained a head coaching position . When offered the position , Ryan accepted . 
