Transcript for Denver Broncos, Carolina Panthers Ready for Super Bowl 50
massive security in advance of super bowl 50. Bomb detection experts. S.w.a.t. Teams deployed in the San Francisco area where the game will be played. Plenty of fun and excitement. Ryan smith is in San Francisco, covering it all. Ryan, good morning to you. Reporter: Good morning, Dan. 100,000 people are expected to flood Levi's stadium later today, rooting for the broncos or panthers. Peyton manning or cam newton. Peyton manning, the best quarterback in his generation, possibly playing in his last game. And cam newton hoping for the first super bowl win of his young career. It's finally here. Super bowl 50 just hours away. With a supermatchup on tap. Quarterback cam newton, inviting the NFL's new dual-threat version of a superstar. Dangerous with his hands. Deadly with his feet. Crowned the league's mvp last night. I would like to thank every person that doubted me. Because you made me better. Dab. Reporter: Versus Peyton manning, a more old school quarterback. A pure Passer. An expert at playing mind games on the field. Wreaking havoc on defenses for 18 NFL seasons. With his mind game and his arm. The five-time mvp, one of the greatest of all time. It's a special week. It's an exciting week. It makes you very grateful for the opportunity. Reporter: And their team paps study if contrasts. Denver's top ranked defense and Carolina's top offense. I wouldn't say it's hard to get to him. It's hard to take him down. Reporter: So 100,000 expected on hand for game day at Levi's stadium. We're standing here in a security operation center for the super bowl. There are multiple ones so day can back each other up. What are they looking for? On the streets, the stadium, if sar space to make sure super bowl Sunday is a safe one. All those crowds of screaming football fans hoping for a game to remember. There is a lot riding on this game. It's predicted that $4.2 billion will be wagered on today's game. Peyton manning win, it will mean his second super bowl ring. A cam newton win means the first play nor history to win the national championship, the the heisman, the mvp, and a super bowl, and he's just 26 years old. Paula and I have a big bet on who can ingest more calories tonight. I think I'm going to win. Is there there's no way.
This transcript has been automatically generated and may not be 100% accurate.