Super Bowl of College Football: Alabama, Notre Dame Vie for National Title

Estimated 30 million viewers expected to tune in to highly anticipated game.
1:58 | 01/06/13

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Transcript for Super Bowl of College Football: Alabama, Notre Dame Vie for National Title
Clayton, thanks to you tonight. We'll move on to the biggest headline in sports right now. Alabama and notre dame, the bcs championship. And the audience will be as giant as the game. "Good morning america's" josh elliott is there. ♪ Reporter: It's the super bowl of college games, a national championship arguably as anticipated as any in the sport's history. To be the best, you've got to beat the best. Reporter: Number two alabama playing for their second straight national title and whatwo uld be its third in four years. And so a dynasty in the making. To win another one, oh, man, it speaks highly of our program and what we do around here. Reporter: Standing in their way? A resurgent and unbeaten notre dame, looking for its first national title in a quarter century. It would be a good time for us to win this championship. Reporter: The fighting irish stand on history's doorstep thanks in part to senior captain and linebacker, manti te'o, the emotional core of the team. Earlier this season he lost his grandmother and then hours later learned his girlfriend had died of leukemia. Yet he persevered through it all. Manti's the heart and soul of this team. Reporter: For te'o, this game is now everything. The past three years that I've sat in my living room and watched that game, I texted one of my teammates, I do not wanna be sitting in this living room watching this game. Reporter: On the other side of the field, alabama QUARTERBACK A.J. McCARRON, WHO'S Not just playing for his team, but a little girl who he met while she was undergoing treatment for leukemia a little over a year ago. She gave him a bright yellow bracelet, invibed with the words "just trust." He will be wearing it on the field tomorrow. I never take it off. I'm always thinking about her. She's a special girl. Reporter: And she will be one of an estimated 30 million people watching the game tomorrow. So much emotion. So much drama and so much at stake. Josh elliott, abc news, miami.

This transcript has been automatically generated and may not be 100% accurate.

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