Juventus were the only heavyweight team who disappointed on the opening day of the Champions League group stage, with Bayern Munich, both Manchester clubs, Paris Saint-Germain and Real Madrid all racking up wins.
Thiago Motta scored two headed goals from corner kicks to give Laurent Blanc's Paris Saint-Germain a comfortable 4-1 win on the road at Olympiacos in their opening match in the UEFA Champions League.
Bosnia-Herzegovina exacted revenge for Friday's defeat to Slovakia as they came from behind to win in Zilina. Marek Hamsik opened the scoring for the hosts before Ermin Bicakcic and Izet Hajrovic turned the match on its head.
Slovak international winger Vladimir Weiss has joined Greek champions Olympiacos from recently-relegated Serie A side Pescara.
Juan Albin capped off a thrilling encounter between Athletic Bilbao and Espanyol, which ended 3-3, after both sides had lead the game.
Vladimir Weiss scored the only goal as Espanyol scraped by Real Mallorca to claim a 1-0 victory and keep up their climb in the La Liga standings.