Born in Malatya, Turkey, Sezgin is a graduate of Ankara University in Political Science.
A defender, he started his football career with Petrol Ofisi in the TFF First League.
He later played for Ankaragücü and Adana Demirspor in the Süper Lig, before ending his career with San Jose Earthquakes in the United States.
Then in 2005, after Özhan Canaydın elected as Galatasaray president for one more term, Sezgin became the general manager of Galatasaray Sportif, the specialized marketing management company, to oversee marketing operations of the Galatasaray brand.
This biographical article related to a Turkish association football defender is a stub.