Karl Dunbar
He previously coached defensive line for the Buffalo Bills, New York Jets, Minnesota Vikings and Chicago Bears in the National Football League (NFL).[5] Dunbar returned to college football in 1998 and 1999 at Division I-AA Nicholls State University as the defensive line coach.[2] While at Oklahoma State, Dunbar tutored Kevin Williams during his breakout senior season and helped him become the first Cowboys defensive lineman to be a 1st-round draft pick since Leslie O'Neal 17 years earlier.In 2004, Dunbar moved to the NFL after being hired by Lovie Smith to coach the Chicago Bears defensive line.[8] He helped tutor a young and talented line that included rookie 1st-round pick Tommie Harris and 2nd-rounder Tank Johnson.