TheCopa Libertadores 1971 was the 12th edition of theCopa Libertadores,CONMEBOL's annual international club tournament.Nacional won the competition, defeating in the final the defending championsEstudiantes, who were seeking a fourth consecutive title.
The champions and runners-up of each football association were drawn into the same group along with another football association's participating teams. Three clubs from Argentina competed asEstudiantes was champion of the1970 Copa Libertadores. They entered the tournament in the Semifinals.
The match between Boca Juniors and Sporting Cristobal on the 17th of March was abandoned after fighting resulted in three players being injured and sixteen arrested by police. Boca were removed from the competition, with their next two opponents receivingwalk-over victories.[1]