The Sharks earned an entertaining 36-21 win away to Cardiff in the United Rugby Championship clash in Wales on Friday night.
Sharks forwards coach Whiteley expects a demanding contest in Friday night’s United Rugby Championship meeting with Cardiff at the Arms Park, following their narrow victory over Lyon.
Springbok flyhalf Sacha Feinberg-Mngomezulu is reportedly out for three months after injuring his ankle during the Stormers' win over Cardiff on Saturday.
Stormers director of rugby John Dobson admitted the prognosis for the ankle injury Sacha Feinberg-Mngomezulu picked up in their United Rugby Championship win over Cardiff "looks pretty serious".
The Stormers booked their place in the United Rugby Championship semi-finals after a 44-21 victory over Cardiff in a tense, stop-start quarter-final in Cape Town.
The Stormers welcome the return of captain Ruhan Nel from injury for their United Rugby Championship quarterfinal against Cardiff at DHL Stadium on Saturday.