By MATT MOLGAARD
MMANEWS.COM Staff Writer
With the recent Silva/Sonnen rematch shift from UFC 147 to UFC 148, I got to contemplating the bout, and asking myself one simple question: Can Chael Sonnen truly topple the longtime champion? What are the chances of that actually happening?
On August 7, 2010, Chael Sonnen entered the octagon as a significant underdog. His opponent was none other than reigning, defending
