UFC 148 preview: Unanswered questions and X-factors frame Silva vs. Sonnen II

It was one of the most thrilling come-from-behind wins in UFC history, and from a dominant champ no less. 

On Saturday, middleweight kingpin Anderson Silva aims to extend his record-setting title run to 10, and in doing so, close the book on a rivalr…

It was one of the most thrilling come-from-behind wins in UFC history, and from a dominant champ no less. 

On Saturday, middleweight kingpin Anderson Silva aims to extend his record-setting title run to 10, and in doing so, close the book on a rivalry two years in the making against Chael Sonnen. 

Additionally, UFC Hall of Famer Tito Ortiz attempts to mend his recent legacy with a rubber-match win over Forrest Griffin.