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 six EuroLeague titles and Olympiacos has won three EuroLeague titles. Their rivalry inside and outside the Greek borders is considered one of the most thrilling in the basketball world.