Leslie Frazier had been the Buffalo Bills’ defensive coordinator since 2017, which meant that he was on the staff every year that head coach Sean McDermott has been. There was a parting of the ways this offseason, and while speculation as to why could lead us down a number of paths, Frazier’s general tendency against aggressive pass rush might have been an issue for McDermott, a defensive coach who had always liked to throw the kitchen sink at quarterbacks when he was a defensive coordinator.
