Filipino southpaw Manny Pacquiao, considered by many the best pound-for-pound fighter in the world, is fighting Antonio Margarito for the vacant WBC super welterweight championship at Cowboys Stadium on Saturday, Nov. 13. Already the first fighter in history to earn world championships in seven weight classes (from 112 to 147 pounds), Pacquaio can add an eighth title with a victory outside Dallas. Here’s a look at some of Pacquiao’s most memorable bouts through the years.