Football

  The   UEFA Champions League   (previously known as the   European Cup , abbreviated as   UCL , or sometimes,   UEFA CL ) is an annual club   association football   competition organised by the   Union of European Football Associations   (UEFA) and contested by   top-division European clubs , deciding the competition winners through a   round robin   group stage to qualify for a double-legged knockout format, and a single leg final. It is the most-watched club competition in the world and the third most-watched football competition overall, behind only the   UEFA European Championship   and the   FIFA World Cup . It is one of the most prestigious football tournaments in the world and the most prestigious club competition in European football, played by the national league champions (and, for some nations, one or more runners-up) of their national associations. Introduced in 1955 as the  Coupe des Clubs...