The Brazilian Championships, officially known as the Campeonato Brasileiro Série A, is the top professional football league in Brazil. It features 20 teams competing annually, with each team playing 38 matches. The league operates on a points system, where teams earn points for wins and draws, and the team with the most points at the end of the season is crowned the champion. The league has a rich history, having been established in 1971. It is known for its competitive nature and has produced many talented players who have gone on to represent the Brazil national team in international competitions.