High Quality Content by WIKIPEDIA articles! The Turkish Airlines Euroleague 2012–13 is the 13th season of the modern era of Euroleague Basketball and the third under the title sponsorship of the Turkish Airlines. Including the competition`s previous incarnation as the FIBA Europe Champions Cup, this is the 56th season of the premier competition for European men`s clubs. The Final Four will be held at The O2 Arena in London.