Minnesota Vikings fire defensive coordinator Ed Donatell
Buffalo Bills defensive coordinator Leslie Frazier to take year
Von Miller time is approaching with Bills pass rusher practicing
Leslie Frazier - Wikipedia
Bears defensive coordinator Alan Williams has resigned
Bills fire defensive coordinator George Edwards
Report: Bills fire safeties coach Jim Salgado - NBC Sports
Bills' Sean McDermott fires Jim Salgado after playoff loss
AP source: Buffalo Bills fire safeties coach Jim Salgado
NY Giants fire defensive coordinator Perry Fewell – New York Daily
Rex Ryan Ruined Buffalo's Defense - The Ringer
Unethical Relationship': Buffalo Bills Fire 2 Execs Over 'Brazen
AP source: Bills fire DB coach Byrd and hire John Butler
New York Jets fire defensive coordinator Gregg Williams after
Houston Texans fire coach Lovie Smith after just one season