The UEFA Champions League utilised to begin with a double spherical-robin team stage of 32 groups until it evolved into a league section of 36 teams, which is preceded by two qualification 'streams' for groups that do not get direct entry on the tournament right. A map of UEFA international https://remingtonhvgqb.theblogfairy.com/35464081/fascination-about-what-are-the-uefa-champions-league-and-uefa-europa-league