Why are Georgia, Iowa, and Penn State dominating on defense? ' Breaking the Huddle with Joel Klatt

Georgia, Iowa and Penn State are currently the top 3 scoring defenses in the country. Joel Klatt takes a look at the tape and breaks down what's working for each team defensively.

College Football Georgia Bulldogs Penn State Nittany Lions Iowa Hawkeyes Big Ten SEC Joel Klatt Breaking the Huddle