Mike Nolan

Mike Nolan (born March 7, 1959 in Baltimore, Maryland) is an American football coach and the current defensive coordinator of the Atlanta Falcons. He was formerly head coach for the San Francisco 49ers and a defensive coordinator for the Baltimore Ravens, New York Jets, Washington Redskins, New York Giants, Denver Broncos and Miami Dolphins.

Miami Dolphins
On January 19, 2010, Nolan was hired by the Miami Dolphins as Defensive Coordinator. When he came to Miami he immediately changed an defense into a true defense

He has currently left Miami for Atlanta