Co-defensive coordinator with Luke Fickell for Ohio State’s 2014 national champions, Chris Ash helped coach Urban Meyer’s Buckeyes go 26-2 in 2014-15.

Jim Knowles made college football history over the weekend, becoming the highest paid defensive coordinator ever when he jumped from Ohio State to Penn State for a salary that will reportedly top $3 million per year.

The former Arizona Cardinals head coach has been selected by new New York Jets head coach Aaron Glenn to become Gang Green's defensive coordinator per NFL insider Tom Pelissero.

Chris Ash, a former Rutgers head coach who spent the past four years in the NFL, will be Notre Dame's new defensive coordinator.

Days after Al Golden left to become the defensive coordinator of the Cincinnati Bengals, the Fighting Irish have hired former Rutgers coach Chris Ash to be their new defensive coordinator, according to ESPN's Pete Thamel. Ash has been in the NFL since the start of the 2021 season and worked as a scout for the Jacksonville Jaguars in 2024.

The Jaguars interviewed Packers LB coach and run game coordinator Anthony Campanile for the team’s defensive coordinator job.

Patrick Graham is returning to the Las Vegas Raiders as defensive coordinator, teaming up with newly hired head coach Pete Carroll. Graham became the Raiders' DC before the 2022 season. He initially worked under Josh McDaniels, then stayed on with Antonio Pierce, who was fired after the Raiders finished 4–13 last season.

Look back at some of the best photos of defensive coordinator Robert Saleh's first stint with the San Francisco 49ers. Look back at some of the best San Francisco 49ers defensive line photos throughout the 2024 season. DL Maliek Collins, DL Sam Okuayinonu, DL Leonard Floyd, Defensive Line Coach Kris Kocurek, DL Nick Bosa

The first assistant coach has been hired for the New York Jets under head coach Aaron Glenn. It wasn't the defensive coordinator position or the offensive play-caller role. Each is being closely watched around the league at this point.