In a new interview, Penn State's defensive coordinator says he's going to build the No. 1 defense with the Nittany Lions.

Knowles has succeeded at the highest level and completely remodeled an Ohio State defense that just won the national championship. But a long history of good defense at Penn State means his next steps won't be so clear-cut.

Former Ohio State defensive coordinator Jim Knowles was introduced to the Penn State media Tuesday. Here's what he had to say.

Jim Knowles, Penn State’s new defensive coordinator, was asked a lot of big-picture questions when he was introduced at a press conference on Tuesday, a little more than a week after he left Ohio State Why did he leave the Buckeyes after winning a national championship?