Another innovation that started in the 2013–14 season, was that the clubs were divided into two regional conferences, the Eastern Conference and the Western Conference, for the Regular Season phase. The size of the groups grew to six teams, where the first three qualified teams joined the Last 32 stage.
The 2013-14 season introduced a new format for the Regular Season phase, dividing clubs into two regional conferences: the Eastern Conference and the Western Conference. The number of teams in each conference was increased to six, with the top three teams from each conference advancing to the Last 32 stage.