Biggest X-Factors for Broncos to Upset Patriots on Championship Weekend

After claiming a victory over the Pittsburgh Steelers in the divisional round Sunday, it's time to take a look at the Denver Broncos' chances against the New England Patriots in the AFC Championship Game.

What are the biggest X-factors for the Broncos to upset the Patriots and move on to the Super Bowl?

Find out in the above video as Stephen Nelson and Bleacher Report NFL Analyst Chris Simms go in-depth on the biggest X-factors for the AFC Championship Game.