Monaco moved to the top of Ligue 1 after coming from behind to beat Angers 2-1 while Lyon were upset by Lorient.
Mario Balotelli scored twice as Nice beat Monaco 4-0 to go top of Ligue 1, while there were also wins for Lyon and Bordeaux.
Thomas Lemar fired a late double as Monaco moved three points clear of PSG at the top of Ligue 1 with a 3-0 win against Rennes.
Mario Balotelli scored twice on his debut to inspire Nice to a 3-2 win over Marseille.
Alexandre Lacazette was forced off with a knee injury as Lyon slipped up to Dijon, while Nice were held by Lille.
Paris Saint-Germain beat newly promoted Metz 3-0 in Unai Emery's first home game in charge on Sunday.