Montpellier knock over Clermont
Montpellier, coached by former South African World Cup winner Jake White, claimed a 24-19 win over Clermont, who had won four and drawn one of their opening five games.
Fiji's Timoci Nagusa and Cameroon forward Robins Tchale-Watchou grabbed first half tries for Montpellier who remain second in the standings, just a point behind Clermont.
The leaders grabbed one try in the last minute through Alivereti Raka.
Montpellier, despite missing influential flyhalf Francois Trinh-Duc with a shoulder injury, have now won five games in succession.
In Saturday's other matches Toulon were merciless against Oyonnax with tries by Mathieu Bastareaud, Juan Smith, Josua Tuisova, Romain Taofifenua, Delon Armitage, Maxime Mermoz and a double from Sireli Bobo giveing the champions a 61-3 win
Toulouse passed up the chance of going second, losing 12-10 to Bordeaux despite scoring the only try of the game.
Friday night's action saw Racing 92 get the better of defending champions Stade Francais 27-18 in the Paris derby.
It was sweet revenge for Racing who lost all three meetings against Stade last season including in the play-offs.
Agence France-Presse
