Boca JuniorsClub Atletico Boca Juniors Also known as Boca Juniors or Boca, is a popular Argentine football club. Its home neighborhood is La Boca, in Buenos Aires, and their home field is Estadio Alberto J. Armando, better known as La Bombonera. Their main rival is River Plate, with whom they contest the Superclásico. Support your favorite Argentine football club by purchasing authentic gear in the USA!