Olympiacos hooligans clashed with riot police on the pitch at the Karaiskakis Stadium after their side’s 3-1 defeat to AEK on Sunday.
Trouble flared at PAS Giannina’s home game against Olympiacos on Wednesday as rival fans clashed with each other and with riot police.
Olympiacos hooligans attacked Bayern Munich fans during an Under-19 match between the two sides at the Greek club’s training complex on Tuesday evening.
Olympiacos fans clashed with riot cops at the Pampeloponnisiako stadium during the side’s Greek Cup clash against Panachaiki on Thursday.
Clashes broke out between Olympiacos hooligans and riot police at the Georgios Karaiskakis Stadium on Sunday after Olympiacos lost 2-1 to AEK.