UFC 148: Anderson Silva Hits Chael Sonnen in Face During Weigh-Ins

At the UFC 148 weigh-ins, Anderson Silva used a shoulder bump to connect with Chael Sonnen's face Friday afternoon in Las Vegas. "Subscribe to our channel for more MMA videos! Click here: http://www.youtube.com/user/MMAFightingonSBN?feature=watch - Check us out on Facebook (Facebook.com/MMAFighting) and follow us on Twitter (@MMAFighting)! - MMA Fighting http://www.mmafighting.com"