(CNN)Brace yourself Buenos Aires — one of football’s biggest and most bitter rivalries is set to write arguably its most important chapter yet.
Later this month Argentine clubs Boca Juniors and River Plate will face off in the final of the Copa Libertadores — South America’s most prestigious club competition — for the first time in history. Games between the two teams are known as Argentina’s Superclasico.
Both sides advanced from their respective semifinals in dramatic fashion, with Uruguayan referee Andres Cunha needing protection from riot police after controversy in Tuesday’s tie.
