This Saturday, ESPN's "College Gameday" is coming to Duke University -- for the first time ever for a football game. The undefeated Blue Devils host #11 Notre Dame this weekend, which is expected to have a sold-out crowd. That means tens of thousands of fans making a big economic impact for the city of Durham. Marcus Manning, executive director of the Durham Sports Commission, joined the show to talk about how the city is preparing for the big event.