Derby of the eternal enemies (basketball)

The Derby of the eternal rivals (Greek: Ντέρμπι των αιωνίων αντιπάλων), also called Mother of all battles (Greek: Μητέρα των μαχών), is the name of the basketball local derby in Attica (Piraeus and Athens) between Olympiacos and Panathinaikos. The Greek powerhouses have won a combined nine EuroLeague titles since 1996, thus being among the most successful clubs in European basketball history. Panathinaikos basketball club has won 6 EuroLeague titles and Olympiacos has won 3 EuroLeague titles. Their rivalry inside and outside the Greek borders is considered one of the most thrilling in the basketball world.