The esports league was run by Riot Games Latin America.

Plans for the league were first announced in May 2018 by Riot Games, which stated that it would merge Latin America's two regional leagues, the Liga Latinoamérica Norte (LLN, North Latin America League) and Copa Latinoamérica Sur (CLS, South Latin America Cup), into a single competition.

In the group stage, teams competed for points in a double round robin spread over two phases.

[8] At the end of each split, the teams in the LLA were given performance points, with the bottom two teams in performance points after the Closing split playing in promotion and relegation series against the winners of the two regional leagues in Latin America, the Liga Regional Norte for teams in Mexico, Central America, the Caribbean, Colombia and Ecuador, and the Liga Regional Sur for teams from Argentina, Peru, Bolivia, Paraguay and Uruguay, for a chance to play in the next season's LLA.

The 2023 and 2024 promotion tournaments were cancelled with no performance points awarded for the Closing split, following the expelling from one of the teams due to mismanagement and the league's merger respectively.