Overview:Manchester United play their second game in the championship at the Maracana Stadium in Rio de Janeiro, the home stadium of their opponents tonight. Vasco da Gama are the Copa Libertadores winners and are second favourites to take the tournament title behind fellow Brazilian rivals Corinthians. The United defence will have to be at its sharpest to contain the undoubted talents of the club's top scorer and Brazilian international, Edmundo, who is one of the most gifted players in the world.