Lovie Smith
If the Buffalo Bills want to bring in an experienced coach, both as a defensive coordinator and a head coach, similar to what Leslie Frazier brought back in 2017 then Lovie Smith could make a lot of sense as a replacement.
After two seasons as defensive coordinator with the Rams, Smith was hired as head coach of the Chicago Bears in 2004 and remained in that position until 2012. He would return to the NFL in 2014 as head coach of the Tampa Bay Buccaneers but lasted only two seasons there.
Most recently, Smith was with the Houston Texans as defensive coordinator in 2021 and then head coach this past season. While the Texans weren’t regarded as a top defense during his time in Houston, Lovie Smith seemed to get the most out of the talent he had on that side of the ball.
In the two seasons there, the Texans did rank in the Top 10 both years in turnovers and with a more talented defense in Buffalo, Lovie Smith could find success as defensive coordinator.