Fresh from their midweek Champions League triumph, Olympiacos returned to domestic action in a “derby of the eternal adversaries” match-up with arch-rivals Panathinaikos with Michel's outfit winning 1-0 on Sunday evening.
It took the Greek champions 13 minutes of the second-half to take the lead when super-sub Tasos Avlonitis - who had entered the fray only 120 seconds earlier - headed in his first Super League Greece goal.
The home side could have been out of sight late on but Kostas Mitroglou saw his penalty saved by Panathinaikos shotstopper Luke Steele with nine minutes remaining. There was no further late drama though as Olympiacos held on to go second in the table, three points off PAOK Salonika who sit top.
Over in Spain, Diego Simeone's Atletico Madrid registered a pivotal 1-0 victory over Getafe to close the gap on joint leaders Barcelona and Sevilla to two points.
Mario Mandzukic got the game’s only goal when Arda Turan’s mis-hit effort arrived at the Croatian forward’s feet and he buried from close range.
Malmo rounded off this weekend’s action when they took on Brommapojkarna in a top versus bottom clash at the Swedbank Stadion on Monday evening.
Age Hareide’s men - who have already wrapped up the 2014 Allsvenskan title - eased past their opponents as they ran out 2-0 winners thanks to goals in either half from Emil Forsberg and captain Markus Rosenberg.