Olympiacos offered a contract extension to Papanikolaou?

According to Greek sources Olympiakos may have just offered to Papanikolaou a contract extension. On the greek forward, selected by the Knicks in 2012 draft and now property of Houston, there's a heavy interest by Barcelona Regal, and the defender champions are worried about that. Papanikolaou's contract will expire in 2014, so the proposal could be at least until 2015. Olympiakos want to be sure that if Kostas leaves Athens it will be only for a NBA team.