Metz passed up the chance to collect some much-needed points as they held Caen to a goalless draw on Saturday night.
PSG went top of Ligue 1 for the first time this season after title-rivals Lyon lost 2-1 at home to 10-man Nice on Saturday.
Ivory Coast winger Max-Alain Gradel scored for the fourth straight match as Saint-Etienne secured a 3-2 win at struggling Metz.
Lorient returned to winning ways as they claimed a much-needed 2-1 Ligue 1 victory over 10-man Caen.
Bordeaux left it late but Diego Rolan's double was enough to give them a 2-1 win at 10-man Caen.
Caen produced a brilliant late comeback from two goals down to stun Marseille 3-2 at the Stade Velodrome.
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