Who are the third and fourth College Football Playoff teams after Alabama and Georgia?

Brady Quinn, Reggie Bush, Matt Leinart and Bob Stoops debate who the third and fourth teams are for the College Football Playoff on 'Big Noon Kickoff.' The Penn State Nittany Lions, Iowa Hawkeyes, Cincinnati Bearcats and Ohio State Buckeyes are all in the conversation, but who deserves the spots at this point?