The first edition was a single-elimination tournament hosted in the United States with a final played in Whitney, Nevada, near Las Vegas, on September 18, 2019.

For the 2023 and 2024 editions, the Leagues Cup included all MLS and Liga MX teams—47 teams in total with 77 matches hosted in Canada and the United States.

[6] All games are again held in Canada and the United States, but unlike the past two years, the competition also takes place during the MLS and Liga MX seasons.

[7] Major League Soccer and Liga MX clubs had previously played in the North American SuperLiga, which ran from 2007 to 2010.

[8][9] MLS and Liga MX announced a new partnership in March 2018 to create the Campeones Cup and explore options for other bi-national competitions between their clubs.

[3] The announcement of the tournament was panned by soccer critics in the United States, who called it a meaningless friendly and "cash-grab" for American clubs.

[14] Sam Boyd Stadium in Whitney, Nevada was later announced as the host venue for the final and a broadcasting contract for the tournament was awarded to ESPN and TUDN (formerly Univision Deportes Network).

[21] In the final at Allegiant Stadium in Paradise, Nevada, Mexican club León defeated Seattle Sounders FC, the first American finalist in the competition's history.

[22][23] On April 14, 2022, MLS and Liga MX announced the 2022 Leagues Cup Showcase, which was held starting August 3, 2022, at SoFi Stadium in Inglewood, California.

[26] The Leagues Cup was expanded in 2023 to include all MLS and Liga MX clubs, during a month-long pause in their respective seasons.

[36] A select group of matches are also set to be broadcast on television networks using their own crews, including Fox Sports and TUDN in the United States; and TSN and RDS in Canada.