Hakan Köseoğlu is a Turkish

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 professional basketball

Basketball

Basketball is a team sport in which two teams of five players try to score points by throwing or "shooting" a ball through the top of a basketball hoop while following a set of rules...

 player. He currently plays for Mersin BB. He plays the point guard

Point guard

Point guard , also called the play maker or "the ball-handler", is one of the standard positions in a regulation basketball game. A point guard has perhaps the most specialized role of any position – essentially, he is expected to run the team's offense by controlling the ball and making sure that...

 position.

He started his professional career with Darüşşafaka S.K.

Darüssafaka S.K.

Darüşşafaka Cooper Tires, is a professional basketball club based in İstanbul, Turkey that plays in the Turkish Basketball League since 1992-93 season. Their home arena is the Ayhan Sahenk Sport Hall, sometimes called Ayhan Şahenk Arena. The club is sponsored by Çelik Motor a subsidiary of Turkish...

 between 1998 - 2002.

In September 2010, he signed one year deal with Maroussi B.C. in the Greek Basketball League

A1 Ethniki

The Greek Basket League , commonly referred to as the Greek Basketball League or Greek Basketball Championship, is the highest professional basketball league in Greece. It is run by HEBA...

 but the club fall in a big economic criss.

After, He had been try-out for Fenerbahçe Ülker

Fenerbahçe Ülker

Fenerbahçe Ülker is the professional men's basketball department of Fenerbahçe S.K., a major multisport club based in Istanbul, Turkey. The department has been sponsored by the Ülker since 2006. In 2006 Fenerbahçe S.K...

 in two weeks but their coach Neven Spahija did not find him enough for them. He is assist leader for last three seasons.