The Colombian Primera A, also known as Liga BetPlay, is the top professional football league in Colombia. Established in 1948, it features 20 teams competing in a system of promotion and relegation with the Categoría Primera B. The league operates on a two-tournament format each year, known as the Apertura and Finalización. Each season, teams play a round-robin schedule, with the top teams qualifying for the playoffs, known as the Finals. The league is governed by the Colombian Football Federation and has produced notable clubs like Atlético Nacional and Millonarios, contributing significantly to the country's football culture.