Warren Gatland has his first concern ahead of their clash with England as centre Jonathan Davies nurses a thigh injury.
Clermont and Georgia flanker Viktor Kolelishvili is unlikely to play again this season after rupturing his ACL against Toulon.
David Smith' second try settled a competitive contest between Toulon and Clermont at the Allianz Riviera in the Top 14 on Saturday.
Toulon president Mourad Boudjellal believes this weekend's showdown with Clermont has become rugby union's version of El Clásico.
Camille Lopez admits he will have to bide his time as he hopes to make his international return for France this weekend.
Clermont back Zac Guildford is facing three to four weeks out after being violently attacked late on Saturday night.
French police have questioned four men over a machete attack on Clermont trio Aurélien Rougerie, Julien Pierre and Benjamin Kayser.
French internationals Benjamin Kayser, Julien Pierre and Aurélien Rougerie have been hospitalised following an attack in Millau.
Clermont captain Aurélien Rougerie has described the club's upcoming season as 'a new beginning'.
New Clermont recruit Zac Guildford is settling into life in France following his exit from Super Rugby franchise the Crusaders.
Having swapped Clermont for Toulon at the age of 35, Gerhard Vosloo has revealed the time was right to leave les Jaunards.
Clermont's 77-game home unbeaten streak came to an end as Castres claimed a hard-fought 22-16 win in Saturday's Top 14 play-off.
The Ligue Nationale de Rugby (LNR) has announced several changes to the Top 14 competition that will kick in from next season.
Saracens slaughtered Clermont Auvergne with a 46-6 thrashing at Twickenham to book their place in the Heineken Cup Final.
Saracens boss Mark McCall says Clermont wing Sitiveni Sivivatu is the dangerman in Saturday's Heineken Cup semi-final at HQ.
Clermont centre and skipper Aurélien Rougerie may miss Saturday's huge Heineken Cup semi-final clash with Saracens.
European Cup semi-finalists Clermont host defending Top 14 champions Castres on Friday, hunting a 76th successive home victory.