University of Oklahoma Athletic Director Joe Castiglione explains why he believes the four-team NCAA Division I Football Bowl Subdivision playoff could grow to six or eight teams. He also talks about the “self-sustaining” nature of his department and the importance of keeping the focus on student-athletes. Plus, hear my thoughts on the NBA’s effort to expand globally and how Las Vegas continues to push for an NHL team in this week’s edition of Keeping Score. See acast.com/privacy for privacy and opt-out information.