Penaud started three matches in the recent Rugby World Cup and has been a regular feature of France in recent years. He burst onto the international stage in June 2017, scoring a try against the Springboks in Durban and has since won 17 caps for Les Bleus.
Clermont has also confirmed that back row Tavite Veredamu will also be out of action for a spell. The striker suffered a knee rotation early in the match against Agen is ruled out for at least a month.
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