Overview

• Ataman argues the Celtics aren't true world champions without facing the EuroLeague winners.
• The challenge was issued via a Greek YouTube interview, sparking debate on global basketball dominance.
• Panathinaikos boasts former NBA players, though their roster is seen as less competitive than the Celtics'.
• The Celtics' recent dominance in the NBA is contrasted with Panathinaikos' European success.
• Calls for an international match between the champions highlight the growing global nature of basketball.