The Torneo Apertura is a football tournament held annually in several Latin American countries, primarily in Mexico and Argentina. It typically marks the beginning of the football season and features multiple teams competing for the championship title. The tournament usually runs from July to December, culminating in a playoff stage. In Mexico, the Torneo Apertura is part of the Liga MX, where teams play in a round-robin format before advancing to the knockout rounds. In Argentina, it is part of the Primera División, with a similar structure. The tournament is known for its competitive matches and passionate fan support.