All of the internationals should be back and available for selection this weekend (barring injury), and the logjam at #3 through #9 remains.
Only 2nd-place Toulouse is within a game of 1st-place Clermont. Newly-capped USA prop David Ainuu is back with the club and they will be live on FloRugby Sunday morning.
Toulouse won a close one over Pau 15-13 last week, while Clermont, beat Lyon which US fans could see on FloRugby (see On-Demand).
New Zealand center George Moala scored twice as Clermont ensured itself 1st place with a 31-11 thumping of Lyon on Sunday.
Frank Azema's side took over from Toulouse - who had taken 1st Saturday after beating Pau; Peter Betham and Alexandre Fischer crossed to secure a fifth bonus point of the campaign at Stade Marcel-Michelin.
France scrumhalf Morgan Parra made his return off the bench after missing more than three weeks with a wrist injury to maintain an unbeaten home record this season for the Auvergne outfit.
Earlier on Sunday, flyhalf Ihaia West kicked three second-half penalty goals to propel La Rochelle to a 14-12 victory at Stade Francais on Sunday and help coach Jono Gibbes win his first game at the club. (See On-Demand on FloRugby).
Springboks outside half Morne Steyn slotted four penalties of his own for the home side who won a second straight league game after a 41-6 thumping to Lyon earlier in November.
The Parisians' coach Heyneke Meyer lamented his side's poor game management in wet conditions.
"We gave them three easy penalties in the second half which we can't do at this level," he said. "With a slippery pitch we have to be better tactically. We tried to play too much and made too many stupid mistakes."
On Saturday, Toulouse had climbed to first overcoming Pau 15-13 despite missing a raft of players injured or on international duty, including captain Julien Marchand, Ainuu, and Scotland lock Richie Gray.
Elsewhere, France wing Virimi Vakatawa crossed twice to help Racing 92 scrape past 11th-placed Grenoble by 24-23 to become the league's top try-scorer with eight.
The Parisians' winning points came as Teddy Iribaren converted a 75th minute try from 21-year-old center Olivier Klemenczak.
Joe Worsley started his reign as Bordeaux-Begles coach positively by beating Toulon 36-25 to claim only a second win in six games and Patrice Collazo's outfit's horrific start to the season continues as they are yet to taste success on the road.
Champions Castres beat bottom side Perpignan 16-12 and the Catalans are still to win in the league this campaign.
Argentine flyhalf Benjamin Urdapilleta scored more than half of the visitors' points at Stade Aime Giral.
Springbok Francois Steyn made his first Montpellier appearance in more than six weeks in his side's 18-15 win at Agen. Ruan Pienaar, who signed a new contract this week, crossed with four minutes to play to claim the four points.
All of this leaves seven teams hovering close to 3rd place. Racing 92 is 3rd with a 7-3 record and 30 standings points. Montpellier is 9th at 5-4-1 and 25 standings points. In between sit La Rochelle, Stade Francais, Castres, Bordeaux-Begles, and Lyon.
This week, then, Toulouse faces Stade Francais LIVE on FloRugby on Sunday, while on Saturday, Toulon takes on a Grenoble team which is 1-1-2 in the past four weeks - witch that one loss by a single point.
Additional reporting Agence France-Presse