Complex sentence: Giorgos Kalaitzis or Georgios Kalaitzis (in; born 29 August 1976 in Thessaloniki, Greece) is a Greek professional basketball player currently playing on the Greek League club Panellinios GS.
Split into simpler sentences: Giorgos Kalaitzis or Georgios Kalaitzis (in; born 29 August 1976 in Thessaloniki, Greece) is a Greek professional basketball player currently. He is currently playing on the Greek League club Panellinios GS.