Anthony Tuitavake was sent off as Racing 92 lost 23-19 at Agen in the Top 14.
La Rochelle climb into Clermont's buffer in the Top 14 standings as Zack Holmes kicks 20 points in 25-19 win over Toulouse.
Bordeaux score four tries in 37-19 win over Stade Francais while Clermont and Toulouse record one point wins in Round 10 of the Top 14.
A Ben Botica penalty three minutes into stoppage time saw Montpellier record a 12-11 victory over La Rochelle.
The Champions Cup began with Saracens inflicting a first home defeat on Toulon, Connacht's fightback to beat Toulouse and Scarlets extending Sale's losing streak in Europe to 12.
- CLER2ndTries Scored 1st Stade Toulousain : 75 Tries ScoredTOUL1st7475
- Points Difference1st 233 points