The Liga Mayor was a Uruguayan football tournament organized by the Uruguayan Football Association from 1975 to 1978.
[1][2][3] In its first three editions only the Primera División teams participated, while for the 1978 edition the four semifinalists of the Campeonato de Clubes Campeones del Interior were invited to participate.
[4] In this last edition there was a three-way tie for first place between Peñarol, Defensor and Huracán Buceo, which led to a controversy.
Defensor had a greater goal difference, while Peñarol had more goals in favor.
Defensor proposed to play a tiebreaker match, but the AUF rejected his request and declared Peñarol as champion.