Cape Town - Jaco Peyper will referee Saturday's South African Super Rugby derby between the Sharks and Bulls at Kings Park in Durban.
Peyper will be assisted by Marius van der Westhuizen and Archie Sehlako, with Marius Jonker on Television Match Official (TMO) duty.
In the later game on Saturday night, Jaco van Heerden will be in charge when the Cheetahs host the Reds in Bloemfontein.