Saracens' injury curse has struck again after Moses Rauluni was ruled out for up to eight weeks.
The scrum half went off injured during Sunday's win over Viadana and it has been revealed he has knee cartilage damage.
Scrum half Neil de Kock is already out of action after breaking his arm against Bristol.
The Men in Black have signed New Zealand star Justin Marshall until the end of the season but he is unavailable for Friday's game in Mont de Marsan. It means rookie Mickey Wilson will start this weekend's game in France.
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