1979 Copa Libertadores Finals

Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. It has a population of 7 million, nearly 3 million of whom live in the capital and largest city of Asunción, and its surrounding metro. Although one of only two landlocked countries in South America, Paraguay has ports on the Paraguay and Paraná rivers that give exit to the Atlantic Ocean, through the Paraná-Paraguay Waterway.

Club Olimpia is a Paraguayan professional sports club based in the city of Asunción. The club promotes the practice of various sports with most importance given to the football, rugby and basketball sides, the former being the highest priority and most successful. They were founded on July 25, 1902 by a group of young Paraguayans, and the name stems from the idea of its principal founding member, William Paats, a Dutchman based in Paraguay, who is considered the father of Paraguayan football for having introduced the practice of the sport in the South American country. Internationally, the club is referred to as Olimpia Asunción in order to distinguish itself from Latin American football clubs of the same name.

Argentina, officially the Argentine Republic, is a country in the southern half of South America. Argentina covers an area of 2,780,400 km2 (1,073,500 sq mi), making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world. It shares the bulk of the Southern Cone with Chile to the west, and is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. Argentina is a federal state subdivided into twenty-three provinces, and one autonomous city, which is the federal capital and largest city of the nation, Buenos Aires. The provinces and the capital have their own constitutions, but exist under a federal system. Argentina claims sovereignty over the Falkland Islands, South Georgia and the South Sandwich Islands, and a part of Antarctica.

Club Atlético Boca Juniors is an Argentine sports club headquartered in La Boca, a neighbourhood of Buenos Aires. The club is mostly known for its professional football team which, since its promotion in 1913, has always played in the Argentine Primera División. The team has won 74 official titles, the most by any Argentine club. National titles won by Boca Juniors include 35 Primera División championships, and 17 domestic cups. Boca Juniors also owns an honorary title awarded by the Argentine Football Association for their successful tour of Europe in 1925.

The 1977 Copa Libertadores Finals was the final two-legged tie to determine the 1977 Copa Libertadores champion. It was contested by Argentine club Boca Juniors and Brazilian club Cruzeiro. The first leg of the tie was played on 6 September at Boca Juniors' home field, La Bombonera, while the second leg was played on 11 September at Cruzeiro's venue, Estadio Mineirão. It was Boca Juniors and Cruzeiro 2nd Copa Libertadores finals.

Club Olimpia is a Paraguayan professional sports club based in the city of Asunción. The club promotes the practice of various sports with most importance given to the football, rugby and basketball sides, the former being the highest priority and most successful. They were founded on July 25, 1902 by a group of young Paraguayans, and the name stems from the idea of its principal founding member, William Paats, a Dutchman based in Paraguay, who is considered the father of Paraguayan football for having introduced the practice of the sport in the South American country. Internationally, the club is referred to as Olimpia Asunción in order to distinguish itself from Latin American football clubs of the same name.

Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. It has a population of 7 million, nearly 3 million of whom live in the capital and largest city of Asunción, and its surrounding metro. Although one of only two landlocked countries in South America, Paraguay has ports on the Paraguay and Paraná rivers that give exit to the Atlantic Ocean, through the Paraná-Paraguay Waterway.

Argentina, officially the Argentine Republic, is a country in the southern half of South America. Argentina covers an area of 2,780,400 km2 (1,073,500 sq mi), making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world. It shares the bulk of the Southern Cone with Chile to the west, and is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. Argentina is a federal state subdivided into twenty-three provinces, and one autonomous city, which is the federal capital and largest city of the nation, Buenos Aires. The provinces and the capital have their own constitutions, but exist under a federal system. Argentina claims sovereignty over the Falkland Islands, South Georgia and the South Sandwich Islands, and a part of Antarctica.

Club Atlético Boca Juniors is an Argentine sports club headquartered in La Boca, a neighbourhood of Buenos Aires. The club is mostly known for its professional football team which, since its promotion in 1913, has always played in the Argentine Primera División. The team has won 74 official titles, the most by any Argentine club. National titles won by Boca Juniors include 35 Primera División championships, and 17 domestic cups. Boca Juniors also owns an honorary title awarded by the Argentine Football Association for their successful tour of Europe in 1925.

Estadio Defensores del Chaco is a multi-purpose stadium in Asunción, Paraguay. It is currently used mostly for football matches. The stadium once had a 50,000+ capacity, however over the years the stadium has undergone remodeling, dropping the capacity to 42,354. It underwent renovations during 1939, 1996 and 2007. The stadium was again renovated in 2015. It has more than 100 years as a stadium. It is one of the places with most history in Paraguayan football. In 1960, the stadium was the venue of the first final of the Copa Libertadores. The stadium receives visits from the public from Monday to Friday from 8:30 to 12:00 and 14:00 to 16:00 with free access.

Asunción is the capital and the largest city of Paraguay.

Uruguay, officially the Oriental Republic of Uruguay or the Eastern Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the Atlantic Ocean to the southeast. It is part of the Southern Cone region of South America. Uruguay covers an area of approximately 181,034 square kilometers (69,898 sq mi) and has a population of an estimated 3.4 million, of whom around 2 million live in the metropolitan area of its capital and largest city, Montevideo.