For the third season in a row, Penn State Nittany Lions head coach James Franklin had to hire a new defensive coordinator. That ended up being Jim Knowles and, now, his goal is going to be to maintain and build upon past success the Nittany Lions have had on that side of the ball.

Knowles was introduced as Penn State's defensive coordinator on Tuesday, one week after he left Ohio State to take the job.

Just a few days after the Ohio State Buckeyes won the College Football Playoff national championship, defensive coordinator Jim Knowles accepted a new DC