
They may not have the global stars of Real Madrid or Manchester City, but Boca Juniors and River Plate bring something else: unmatched passion in the stands.
They are Argentina’s most popular clubs and fierce rivals. Thousands of their fans are expected to travel to the U.S. for the month-long FIFA Club World Cup that starts Saturday, hoping to recreate the electric atmosphere of Buenos Aires’ iconic stadiums, La Bombonera and El Monumental.