Find out about the format and history of the Champions League, UEFA's lead club competition, on the official website of the Premier League. Competition System. The Basketball Champions League season will involve 56 teams, including many national champions out of the 45 European. The UEFA and the Football Association of Wales have launched the “This is Welsh Football” photo competition with some incredible prizes on offer. Lead Partner EA SPORTS Official Bank Barclays Official Snack Partner Cadbury Official Beer Carling Official Ball Nike Official Timekeeper TAG Heuer Official Licensee Sporting ID Official Licensee Topps. Eröffnungsfeier vor dem Finale der UEFA Champions League. V Vanuatu Venezuela Vietnam Virgin Islands. Retrieved 23 May In —09both BATE Borisov and Anorthosis Famagusta achieved the same feat. Retrieved 19 May The competition has been won by 22 different clubs, 12 of which have won it more than .