Ryan Day and Jim Knowles have a long history together, but for Day, him seeing Jim Knowles at Penn State doesn't bother him.

Ohio State Buckeyes coach Ryan Day has delivered some intriguing comments on former defensive coordinator Jim Knowles, who is ...

Are the former Buckeyes co-workers interacting with one another? Especially before Ohio State takes on Penn State?

Ohio State is a self-sustaining program that doesn't live or die by one coordinator. That's harder than it looks.

Jim Knowles left Ohio State football for Penn State in January. Here's what coach Ryan Day said about the "abrupt" departure.

Ryan Day said “there really hasn’t been much communication” with Jim Knowles since Knowles left for Penn State, but “we ...

This article was originally published on www.si.com as Ryan Day Discusses Relationship With Ex-Ohio State DC Jim Knowles ...

Ohio State head coach Ryan Day addressed questions about his relationship with former defensive coordinator Jim Knowles, and ...

Ohio State's game against Penn State marks the return of former defensive coordinator Jim Knowles, now in the same position with the Nittany Lions.

Matt Patricia’s defense held Penn State to just 200 yards while Jim Knowles’ defense got shredded for 480 yards as Ohio State ...

As Ohio State faces Penn State at Ohio Stadium on Saturday, here's a look back at why Jim Knowles left the Buckeyes this ...

Ohio State coach Ryan Day called Knowles' departure in January 'abrupt.' The Nittany Lions' defensive coordinator returns to Ohio Stadium on Saturday.