Jim Knowles was hired to replace Tim Banks as the Tennessee Vols' defensive coordinator in December. Knowles, a Philadelphia native, previously served as the defensive coordinator for the Ohio State ...

The Tennessee defense took a major step back in 2025, practically forcing Josh Heupel’s hand. Heupel, who hasn’t really gone ...

Some Penn State Nittany Lions are playing in their third defense. They're big fans of new coordinator Jim Knowles' approach and style.

Tennessee football fans have reason to be antsy about a change in defensive coordinators. Remember Sal Sunseri? Bob Shoop?

Josh Heupel fired Tennessee assistants so new defensive coordinator Jim Knowles could pick his own staff. Here's why that mattered so much to Knowles.