Springbok Damian Willemse’s injury is a big loss for the Stormers’ backline, says Director of Rugby John Dobson.
The Lions' unbeaten United Rugby Championship (URC) record this season came to an end after a 24-6 loss to top of the table Leinster in Dublin on Saturday.
The Bulls, forced into late changes due to illness in the squad, left it late to claim a 17-15 victory over Benetton in the United Rugby Championship (URC) in Italy.
The Sharks enjoy continuity in team selection for their United Rugby Championship clash with Munster Rugby at Kings Park on Saturday.
Johan Grobbelaar is free to play after the Bulls' forward had his red card rescinded by a United Rugby Championship disciplinary hearing on Tuesday.
Sharks head coach John Plumtree admitted that his Springboks were crucial in the United Rugby Championship victory over Glasgow Warriors at Kings Park on Saturday.