Bordeaux went above Lyon to rise to the Top 14 summit after beating La Rochelle, while All Blacks great Ben Smith saw red on his Pau...
Lyon's lead at the Top 14 summit was reduced to just one point as they were comprehensively beaten 33-8 by Montpellier on Saturday.
A standout performer in just four games at the Rugby World Cup, Semi Radradra will line up for the Bristol Bears from 2020-21.
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.
Kylan Hamdaoui scored late as Top 14 strugglers Stade Francais edged out Toulon, while Bordeaux-Begles ran riot against Clermont Auvergne.
Leaders Lyon are the only unbeaten side in the Top 14 after they won a top-of-the-table encounter against Bordeaux-Begles.
Jake McIntrye amassed 22 points as Clermont Auvergne defeated Top 14 strugglers Stade Francais, as Bordeaux-Begles drew with Montpellier.
The top two in the Top 14 claimed huge victories to stay unbeaten as both the defending champions and last year's runners-up were beaten.
The top two in the Top 14 both triumphed on Saturday, with Bordeaux-Begles and Lyon improving to three wins from three this season.
The second round of Top 14 fixtures saw hard-fought wins for Clermont Auvergne, La Rochelle and Montpellier, among others, on Saturday.
There were shock wins for Bayonne and Bordeaux-Begles as the Top 14 returned for the 2019-20 season on Saturday.
There will be a new Top 14 champion after Castres missed out on a top-six finish with a final-day defeat to Toulon.
Neither Bordeaux Begles nor Stade Francais can make the play-offs in the Top 14 after suffering painful defeats in the penultimate round.
It promises to be an enthralling climax to the battle for Top 14 play-off spots after Stade Francais claimed a derby win over Racing 92.
Greig Laidlaw's boot and a pair of tries from Apisai Naqalevu helped Clermont Auvergne battle back to beat Stade Francais on the road.