Papadopoulos has played for many important european clubs since 2001 (Panathinaikos, Dinamo Moscow, Real Madrid, Fortitudo Bologna, PAOK, Khimki, Olympiakos) and was a member of Greek National Team which won Eurobasket 2005 and was a finalist at World Cup 2006.
Kavala BC failed to sign Lazaros Papadopoulos