Pat Lambie has been ruled out for six weeks because of a neck vertebrae injury suffered against the Crusaders.
The Sharks captain left the field in the 44th minute of Saturday's match and was replaced by Fred Zeilinga, who should now get the No 10 jersey.
Lambie's injury comes as another massive blow to the Sharks, who have already lost Bismarck du Plessis, Frans Steyn and Jean Deysel to lengthy suspensions.
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