Biggest Defensive X-Factor for Broncos to Beat Panthers in Super Bowl 50

The Denver Broncos defense has been nothing short of stellar all season long, yet the same can be said for Cam Newton and the rest of the Carolina Panthers offense.

Who is the biggest defensive X-factor for the Broncos who could help deliver them to victory in Super Bowl 50?

Watch Adam Lefkoe and Bleacher Report NFL Analyst Chris Simms discuss in the video above.