Trabzonspor B.K. Trabzonspor B.K. Trabzonspor Basketbol Kulübü (), also known as Trabzonspor Basket or Trabzonspor, is a professional basketball club that is based in the city of Trabzon, Turkey. It is a department of the multi-sport club of Trabzonspor. Their home arena is the Hayri Gür Arena, which has a capacity of 7,500 seats, and was opened in 2011. Trabzonspor's football club was founded in 1967, and it opened its basketball section in 2008. After Alpella's relegation in the 2007–08 season, Trabzonspor's board purchased all of the rights related to the team from the Ülker Group, and took their place in the
Galatasaray S.K. (football) was recorded. According to media polls since 1978, Galatasaray is the most popular team among football fans in Turkey. The latest poll by June 2012 places Galatasaray in the first place with a 41.8% level of popularity while Fenerbahçe S.K. comes second with a 35.9% level, Beşiktaş J.K. third with 16.3% and Trabzonspor fourth with 4.7%. "The big three" clubs of Istanbul – Beşiktaş, Fenerbahçe and Galatasaray – have a century-long history of rivalry. The Galatasaray–Fenerbahçe rivalry is the primary Istanbul derby and the most important rivalry in Turkish football. The rivalry poses a symbolic importance to supporters as much