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-Penn State is not the marquee matchup many expected. Will Knowles and the Nittany Lions have any surprises in ...

Former Ohio State defensive coordinator Jim Knowles abruptly ended his time with the Buckeyes to join Penn State Jan. 26, ...

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

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 football spent the first half of its season experimenting on offense. Against Penn State, we saw the payoff of the ...

There’s a familiar face on the Ohio State sidelines Saturday who traded his scarlet and grey for blue and white in the ...

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

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.

Ohio State fans got the opportunity to boo Penn State DC Jim Knowles, who was shown on the jumbotron during the 38-14 win ...

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