Penn State officially introduced Jim Knowles as its new defensive coordinator on Tuesday. The 59-year-old Philadelphia native left Ohio State days after it won the College Football Playoff championship to take the same job with the Nittany Lions.

To John: Nobody in the Ohio State program is talking, but there's something very odd about Knowles' departure. Leaving to be a head coach would make sense. Leaving for the same position at a lesser rival sure smells like there is something he doesn't like about Ohio State and the way he was treated.

The Nittany Lions reportedly made the former Ohio State assistant college football's highest-paid defensive coordinator.

Here's what to know about former Ohio State defensive coordinator Jim Knowles' reported salary and contract details at Penn State:

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.

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,

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.

Penn State made a major coaching hire this month when it poached defensive coordinator Jim Knowles from the national champion Ohio State Buckeyes. Knowles, 59, spent two years in Columbus, and his defense played a major role in Ohio State winning its first national championship in a decade this