The Cargadas
The two clubs also have a tradition of “cargadas“, pranks that they play on each other, like rival American High Schools. Recently, Boca fans in attendance at River’s El Monumental stadium filled it with posters listing the rock bands that had played there in the preceding months, the implication being that the River fans are part-time football fans, and would really rather be watching a concert. Most of the cargadas aren’t that subtle: at one Superclasico River fans simply sailed an inflatable pig in a Boca shirt above their fans.