The all-Buenos Aires clash, the first time Argentina's two biggest clubs had met for the title, was billed as the greatest final in the competition's 58-year history but will instead be remembered for the violence that left players bleeding.
Protesters holding candles - a show of solidarity with those who may no longer be able to afford to light their homes with electricity - approached the country's Congress in Buenos Aires after dark, calling for price increases to be over-turned.