Cape Town - New Zealand’s Ben O'Keeffe will referee Saturday’s Rugby Championship encounter between South Africa and Argentina in Durban (kick-off 17:05).
O’Keeffe will be assisted by Australia’s Angus Gardner and Ireland’s Andrew Brace, with another Irishman, Simon McDowell, named as television match official (TMO).
For the earlier Bledisloe Cup match between Australia and New Zealand in Sydney (11:45 SA time), South Africa’s Jaco Peyper has been appointed as referee.
Peyper will be assisted by England duo Wayne Barnes and Luke Pearce, with South Africa’s Marius Jonker on TMO duty.