Lyon's alarming slump in form continued on Saturday as they lost 3-1 at home to Guingamp.
Monaco thrashed 10-man Metz 7-0, while there were wins for Lille, Caen, Nantes and PSG in Ligue 1 on Saturday.
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.
Monaco returned to the top of the Ligue 1 table thanks to a thumping 4-1 win in Lille on Saturday.
Paris Saint-Germain suffered their first league defeat since March as Monaco struck an early blow in the Ligue 1 title race.
Gabriel Boschilia's strike gave Monaco a 1-0 win at Nantes on Saturday.
Bordeaux beat Saint-Etienne, while newly-promoted Metz came from behind to beat Lille. Get the latest from Ligue 1...
Jeremy Menez has undergone surgery to sow his ear back together following a nasty injury during a pre-season friendly.
Bordeaux have completed the signing of France international Jeremy Menez from AC Milan.
Jocelyn Gourvennec has left Guingamp to take over as Bordeaux's new head coach.
Zlatan Ibrahimovic scored his 36th Ligue 1 goal of the season as Paris St Germain drew 1-1 at Bordeaux.
Lyon secured a Champions League place for next season after thrashing Monaco 6-1 at Parc Olympique Lyonnais.
PSG ripped Caen to pieces in a 6-0 thrashing at the Parc des Princes, sending the champions 30 points clear in Ligue 1.
Paris St Germain slipped to their first home league defeat in nearly two years as Monaco recorded a shock 2-0 win.
Marseille lost more ground in their bid to play in Europe next season as a 1-1 draw at Lorient extended their winless run in Ligue 1 to six games.
Ajaccio secured an important 1-1 draw against Bordeaux as they battle to stay in Ligue 1.
Paris Saint-Germain fielded a second-string side and were held 0-0 at home by Montpellier in Ligue 1 on Saturday.
Former champions Montpellier moved further clear of relegation trouble in Ligue 1 on Saturday with a 3-0 win against Lille.