The X-Factor That Makes Each UFC Champion Special

Jeremy BotterMMA Senior WriterFebruary 27, 2013

What's the X-factor? 

We hear the term used often in sports and entertainment, but what does it mean? And how does it apply to each of the current UFC champions? What, for lack of a better term, is the X-factor that helps them succeed so greatly against their peers?

In my latest Bleacher Report video, I take a closer look and tell you exactly which traits help make these champion fighters so special.