UFC 148 Weigh-in Video: Anderson Silva Cheap Shots Chael Sonnen

LAS VEGAS – The heat between UFC middleweight champion Anderson Silva and UFC 148 challenger Chael Sonnen boiled over at Friday’s weigh-ins in Las Vegas. Silva momentarily lost his cool and launched a shoulder punch that caught Sonnen in the face when the two squared off for photographers.

MMAWeekly.com captured the explosion between Silva and Sonnen in the UFC 148 weigh-in video below…