Fans of River Plate look on prior the second leg of the final of the Copa Libertadores between River Plate and Boca Juniors at Estadio Monumental Antonio Vespucio Liberti on Nov. 25, 2018 in Buenos Aires, Argentina. But the match was postponed again due to the attacks on the Boca Juniors team bus the day before. (Photo by Marcelo Endelli/Getty Images)
River Plate facing Boca Juniors in the Copa Libertadores final is the sort of rivalry game that should be almost impossible. The climax of South America’s premier club soccer tournament provides the biggest matchup conceivable between the two Buenos Aires teams, the most super of Superclásicos.