In a move that shocked college football fans, defensive coordinator Jim Knowles — fresh off helping Ohio State win a national championship — decided to leave the Buckeyes and take the same job with the Penn State Nittany Lions.

The Nittany Lions are adding a Penn State letterman and former national champion to Jim Knowles’ staff. Greg Gattuso, Albany’s longtime head coach and a defensive lineman on Penn State’s 1982 national championship team, is joining the Nittany Lions as a defensive consultant, according to a source.

After Penn State football added Jim Knowles, the defensive coordinator comments on what his aspirations are with the team.

The new Nittany Lions defensive coordinator spoke about his goals during the introductory press conference on Tuesday

The Nittany Lions' new defensive coordinator opened up about leaving Ohio State for Penn State after winning a national championship — and how he thinks he can help the football team he always viewed as the sport's gold standard.

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