The UEFA Champions League utilised to begin with a double round-robin group stage of 32 teams until it evolved into a league section of 36 groups, which happens to be preceded by two qualification 'streams' for groups that don't get direct entry to your tournament right. The UEFA Champions League https://soikonhci59269.theblogfairy.com/35540805/the-greatest-guide-to-what-are-the-uefa-champions-league-and-uefa-europa-league