Marseille made it three wins from as many matches in Ligue 1 by beating Evian 3-1 on Sunday.
Lille continued their fine start to the Ligue 1 season with an impressive 2-0 win against Nantes.
West Ham have signed France international winger Morgan Amalfitano from Marseille.
Marcelo Bielsa's Marseille finally showed what they are capable of with a 4-0 demolition of south-coast rivals Nice.
Bordeaux topped the Ligue 1 table after beating Nice 3-1, while Lille beat Lorient 2-0 to maintain their unbeaten start.
Andre-Pierre Gignac lifted the pressure on new Marseille coach Marcelo Bielsa with a 1-0 victory over Guingamp.