Paris Saint-Germain cruised to a 5-0 win over Montpellier on Saturday, but Thomas Tuchel is now concerned by Neymar's birthday celebrations.
Paris Saint-Germain recorded a dominant victory over Montpellier, though Kylian Mbappe's substitution reaction did not please Thomas Tuchel.
Kylian Mbappe and Pablo Sarabia were among the scorers as PSG hit five against a shorthanded Montpellier team in Paris.
Top 14 front-runners Lyon won again, while La Rochelle's Arthur Retiere grabbed a hat-trick and Brive left it late.
At the end of another week of crisis, Saracens had rare cause for cheer as they reached the quarter-finals of the European Champions Cup.
Rhys Carre's early red card made life difficult for Saracens, but they still defeated Ospreys in the European Champions Cup.
High-flying pair Lyon and Bordeaux Begles celebrated contrasting victories in Top 14 action on Saturday.
There were wins for Lyon and Racing 92 in the Top 14 as Bordeaux-Begles were usurped at the summit.
Handre Pollard missed some crucial kicks on his Montpellier debut while Top 14 leaders Lyon
Brothers Billy and Mako Vunipola played starring roles as reigning champions Saracens defeated Munster in the European Champions Cup.