CompuBox takes a statistical review of Manny Pacquiao's last four fights, which include Miguel Cotto, Joshua Clottey, Oscar De La Hoya and Ricky Hatton. Pacquiao will face Antonio Margarito later tonight for the vacant WBC junior middleweight title at Cowboys Stadium in Arlington, Texas. The fight takes place at 150-pounds. Margarito will be the biggest opponent that Pacquiao has ever stepped in the ring with.