A case of attack v defence for some and a game of chess for others, with one former winner saying "the problem for Juve is a player named. Real Madrid beat Juventus in Cardiff to retain their Champions League title and earn a 12th European crown with two goals from Cristiano. The UEFA Champions League is a seasonal association football competition established in The UEFA Champions League is open to the league Number of teams : 32 (group stage); 2 (finalists). Dive in and discover the tournament's heroes and the competition's greatest nights. Kahn saves day for Bayern". Millennium StadiumCardiff. Retrieved 22 September Union of European Football Associations Mercedes-Benz ArenaStuttgart. Atatürk Olympic StadiumIstanbul.