The Brazilian Série A commonly referred to as Brasileirão, is a Brazilian professional league for men’s football clubs. At the top of the Brazilian football league system. Brazilian Série A is the country’s primary football competition. Contested by 20 clubs, it operates on a system of promotion and relegation with the Campeonato Brasileiro Série B.
Due to the large geographical size of the country, Brazil has a relatively short history of nationwide football competitions. Only in 1959, with the advancements in civil aviation and air transport and the need to appoint a Brazilian representative to the first edition of the Copa Libertadores was a nationwide tournament creator, Taça Brasil. In 1967, the Torneio Rio-São Paulo expanded to include teams from other states, becoming the Torneio Roberto Gomes Pedrosa. It also considered a national tournament. The first Campeonato Brasileiro with that name was held in 1989. Prior to this, only the seasons post-1971 were regarding as Campeonato Brasileiro.