Ioannis Demertzis (basketball)

Ioannis Demertzis (alternate spellings: Giannis, Yiannis) (Greek: Γιάννης Δεμερτζης; born July 20, 1983) is a Greek professional basketball player. He is 1.96 m (6 ft 5 in) tall.
Professional career.
After playing youth basketball with Mantoulidis, Demertzis started his pro playing career in 2005, in the Greek 2nd Division, playing with ICBS. In 2006, he moved to Iraklis, where he stayed only for one year. In 2007, he moved to PAOK Thessaloniki, where he stayed until 2010. He has also played with Marousi, Keravnos, Ikaros Kallitheas, Ethnikos Piraeus and Kavala.
He then moved to Holargos, but left the team without making any appearances in order to join the newly-promoted Doxa Lefkadas of the Greek Basket League.
In 2018, he joined Apollon Patras.