The nose tackle position in Dallas has been devalued for years, and that could potentially come to an end in 2020. With a new staff being put together, Mike Nolan will be named the defensive coordinator of the Dallas Cowboys under new head coach Mike McCarthy. Nolan, a long-time coach in the NFL has spent time as a defensive coordinator with the Ravens, Giants, Redskins, Jets, Broncos, Dolphins, and Falcons. He also was the head coach of the 49ers from 2005-2008.