Ohio State is coming off a national championship season in which Knowles defense was ranked No. 1 in fewest yards allowed per game (254.6) and fewest points per game (12.9). Penn State made it to the Final Four. It will take time for Penn State’s defensive assistants and players to get on the same page with Knowles.

Jim Knowles was introduced as Penn State's defensive coordinator on Tuesday. Here's what he said about leaving Ohio State football.

Former Ohio State defensive coordinator Jim Knowles said he was grateful for his three years at OSU, but the pull of his home state lured him away.

When Allen was calling plays from up top, it was analyst (and quasi-linebackers coach) Dan Connor who relayed calls in to Kobe King. It’s unclear if Knowles, Connor or someone else will have that responsibility on game days.

Jim Knowles' defense is not static and is certainly malleable to suggestions, but even a veteran coach has a breaking point with directives.  The coordinator reached his limit after three years at Ohio State,

Former Ohio State defensive coordinator Jim Knowles was introduced to the Penn State media Tuesday. Here's what he had to say.

Jim Knowles was introduced as Penn State’s defensive coordinator in a Tuesday press conference, a little more than a week after news broke that he was leaving Ohio State. Knowles joining Penn State is a big move for both parties.

New defensive coordinator Jim Knowles met the Penn State football media for the first time. Here's what we learned

New Penn State defensive coordinator Jim Knowles said Tuesday the Nittany Lions are "so close" to winning their first national championship in almost four decades.

Losing top assistant coaches is nothing new for winning programs, but the Ohio State Buckeyes were dealt an odd hand right after pulling off a historic College Football Playoff run. Instead of watching defensive coordinator Jim Knowles get a promotion,