EuroLeague Coach Challenges Boston Celtics for 'World Champion' Title

Panathinaikos' Ergin Ataman insists the NBA champions must beat his team to claim global supremacy.

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.