15 / 19

Anderson Silva, left, and Chael Sonnen battle it out during their UFC 148 middleweight championship fight at the MGM Grand Garden Arena Saturday, July 7, 2012 in Las Vegas. Silva won with a TKO in the second round. (AP Photo/David Becker)

Anderson Silva, left, and Chael Sonnen battle it out during their UFC 148 middleweight championship fight at the MGM Grand Garden Arena Saturday, July 7, 2012 in Las Vegas. Silva won with a TKO in the second round. (AP Photo/David Becker)