Top 14 front-runners Lyon won again, while La Rochelle's Arthur Retiere grabbed a hat-trick and Brive left it late.
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
Toulouse have hit form and made light work of Bayonne at home, while Brive defeated Stade Francais.
Toulouse's contrasting home and away form continued as they defeated visitors and 2018-19 Top 14 final opponents Clermont Auvergne.
An early red card was decisive as Bordeaux-Begles suffered their second defeat of the Top 14 season.
It was another game and another win for Lyon in Top 14, where Castres were defeated by Toulouse on Saturday.
Leaders Lyon are the only unbeaten side in the Top 14 after they won a top-of-the-table encounter against Bordeaux-Begles.
Despite seeing their try line breached for the first time this season, Lyon maintained a 100 per cent start to the season in the Top 14.