Penn State has received plenty of praise over the past few weeks for retaining talent. Its latest move, hiring one of the nation's best defensive coordinators, has people buzzing.

Penn State formally hired Ohio State defensive coordinator Jim Knowles to the same position Monday morning. Knowles replaces Tom Allen, who left after one year to become the defensive coordinator at Clemson.

Former Ohio State defensive coordinator said in an address to Penn State players that the Nittany Lions were 'everything' to him growing up