The pasting of Barrera put Manny Pacquiao firmly on the map. But can the Filipino become a featherweight champ by beating Juan Manuel Marquez, the man Naz avoided? Manny Pacquiao, the Filipino southpaw, looked unbeatable in his last fight when destroying Marco Antonio Barrera in 11 rounds. Now he faces another outstanding Mexican featherweight, Juan Manuel Marquez, in a much-anticipated championship fight at the MGM Grand casino resort in Las Vegas on 8 May.