Former France wing Vincent Clerc is expecting next season to be a thriller after the 2019-20 campaign was cut short.
A five-week break has been implemented in the Premiership, with the Champions Cup and Challenge Cup quarter-finals pushed back.
Ben Botica scored two second-half penalties to help Bordeaux Begles to a 26-24 victory in a tightly contested match against Castres.
Bordeaux Begles gave another demonstration of their Top 14 title credentials with a bonus-point win over Clermont Auvergne.
Top 14 leaders Bordeaux-Begles have agreed a two-year deal with Ben Lam, who will join from the Hurricanes at the end of the campaign.
Lyon surrendered first place in Top 14 as they lost away to Bordeaux-Begles, who won a contest that was closer than the scoreline suggests.
Bordeaux-Begles, nudged into second on Saturday, could not return to the Top 14 summit at Toulouse.
High-flying pair Lyon and Bordeaux Begles celebrated contrasting victories in Top 14 action on Saturday.
Bordeaux-Begles are back at the top of the Top 14 and increased their advantage over Toulon and Toulouse.
Bordeaux went above Lyon to rise to the Top 14 summit after beating La Rochelle, while All Blacks great Ben Smith saw red on... Read more
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.