LAS VEGAS — This is the UFC 148 live blog for Anderson Silva vs. Chael Sonnen, a middleweight bout for Saturday night’s UFC event at the MGM Grand.Silva, who has won 14 straight UFC fights, including a submission win over Sonnen at UFC 117, will fight Sonnen, who has won five of his last six fights, in the main event.Check out the live blog below. More Coverage: UFC 148 Results | UFC NewsDownload New MMA Fighting iPhone App Round 1: Yves Lavigne gives the signal, and we‘re off. Sonnen comes…