Olympiakos opened an eight-point gap at the top of the Super League in the 11th round of games as challenger PAOK succumbed to Panathinaikos in Athens, but the news of the weekend was the 4-0 triumph of AEK at Veria.
Struggling AEK scored its first away win on Sunday thanks to goals by Giorgos Katidis, Taxiarchis Foundas, Roger Guerreiro and Andreas Stamatis, but remains rooted at the foot of the table. It is one point behind Veria, whose manager Nikos Karydas resigned after the game.
Veria actually played for more than 35 minutes with 10 men, as former AEK player Pantelis Kafes got his marching orders for conceding the penalty that Guerreiro converted.
Olympiakos showed ready for its big challenge against Schalke for the Champions League in Germany, downing Kerkyra 2-0 at home after goals by Costas Mitroglou and Dimitris Siovas, to climb to 31 points out of a possible 33.
PAOK, in second, lost 2-0 at the Olympic Stadium to a rejuvenated Panathinaikos with Juan Ramon Rocha on its bench. A Zeca-Toche one-two had the former scoring his first goal this season in the 51st minute, with Victor Vitolo adding the second from the penalty spot six minutes from time.
PAOK keeper Jacobo was sent off a little later in the sixth time this season that PAOK has ended with 10 men.
Third-placed Panionios returned to winning ways beating visiting Platanias 4-0. There were also important away wins for PAS Giannina and Levadiakos, who beat Aris 2-1 and OFI 2-0 respectively.
The Thrace derby between Xanthi and Panthrakikos had no goals but two red cards, one each way.
On Monday Asteras Tripolis will host Atromitos.