Past experiences led Jim Leonhard from small-town folk hero to Bills defensive coordinator

‘Those lessons have taken him from stardom at Wisconsin to a 10-year NFL career, followed by a quick rise up the coaching ladder to becoming interim head coach of his alma mater in 2022. Now, the 43-year-old will prowl the sidelines of Houston’s Reliant Stadium Sunday in his third stint with the Buffalo Bills, this time as an NFL defensive coordinator for the first time.’