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

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

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

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

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

The Nittany Lions' season has spiraled out of control after losing to Oregon in double overtime in late September. From there ...

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

Along with the rest of college football, Ohio State will find out its ranking in the College Football Playoff on Nov. 4. The Buckeyes (8-0) are coming off a win over Penn State, t ...

As Jim Knowles makes his return to Ohio State this week, there is an unexpected reality to digest. Despite losing one of college football’s best defensive coordinators, the Buckeyes have avoided a ...

Penn State defensive coordinator Jim Knowles helped lead the Buckeyes to a national championship last season. Then, former PSU coach James Franklin lured the Philadelphia native to Pennsylvania with a ...

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