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.

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.

Answering your questions about Ohio State's national title run and what's next with Jim Knowles and a long list of seniors leaving.