Flank Ruan Venter will remain with the Lions until at least June 2028 after signing a three-year contract extension with the Johannesburg-based outfit.
The Sharks' miserable start to the 2025/26 season continued as they were beaten 19-56 by Toulouse in the Champions Cup on Sunday.
Sharks head coach John Plumtree revealed that Eben Etzebeth is reeling in the wake of his 12-match ban but will still be helping out on the training field.
The Sharks were woeful as they went down 44-17 in their United Rugby Championship clash with Connacht in Ireland on Saturday night.
The Lions secured their fourth win in this season's United Rugby Championship campaign after a 43-33 bonus-point victory against the Bulls at Loftus on Saturday.
Ulster secured a convincing 47-13 bonus-point win over Benetton, while Leinster battled past the Dragons 24-10 in Friday's Round Six United Rugby Championship action.