Marseille secured Europa League football while Caen dramatically kept themselves in Ligue 1 in the final minutes of the season.
Dimitri Payet was on target as Marseille secured a resounding 4-0 win over St Etienne at the Stade Velodrome.
PSG moved back into second place in Ligue 1 and narrowed the gap on leaders Monaco with a 4-0 victory over Guingamp on Sunday.
Mario Balotelli struck from the penalty spot as Nice came from behind to beat Bordeaux 2-1 on Sunday, while Lyon drew with Rennes.
Monaco moved five points clear at the top of Ligue 1 after a 2-1 win over Bordeaux on Saturday.
Monaco saw off Nantes 4-0 to restore their three-point lead in Ligue 1, as Marseille beat Lorient and Lille drew at Toulouse.