The UEFA Champions League made use of to start with a double round-robin group phase of 32 groups right up until it developed right into a league period of 36 teams, which is preceded by two qualification 'streams' for groups that do not receive immediate entry for the Event right. https://daltonlfjlx.creacionblog.com/36131167/the-fact-about-what-are-the-uefa-champions-league-and-uefa-europa-league-that-no-one-is-suggesting