Cape Town - Chean Roux will take charge of the Springbok defensive coaching duties during the Rugby Championship.
This was confirmed by coach Allister Coetzee after he named a squad of 31 players for the opening two matches of the Rugby Championship against Argentina.
Roux, who previously assisted the Boks as part of the Mobi Unit on refereeing and technical aspects, fills the vacancy left by Jacques Nienaber who recently left the Mobi Unit and SA Rugby to take up a post at Irish club Munster.
The 41-year-old Roux previously coached Maties and played as a loose forward for Western Province and the Stormers.
Forwards (18): Jaco Kriel, Malcolm Marx, Franco Mostert, Julian Redlinghuys, Warren Whiteley (all Lions), Eben Etzebeth, Vincent Koch, Bongi Mbonambi, Sikhumbuzo Notshe, Pieter-Steph du Toit (all Stormers), Lood de Jager, Teboho 'Oupa' Mohoje (both Cheetahs), Lourens Adriaanse (Sharks), Adriaan Strauss (captain, Bulls), Steven Kitshoff (Bordeaux/FRA), Francois Louw (Bath/ENG), Tendai Mtawarira (Sharks), Duane Vermeulen (Toulon/FRA)
Backs (13): Ruan Combrinck, Elton Jantjies, Faf de Klerk, Lionel Mapoe (all Lions), Damian de Allende, Juan de Jongh (both Stormers), Jesse Kriel, Rudy Paige (both Bulls), Johan Goosen (Racing 92/FRA), Bryan Habana (Toulon/FRA), Francois Hougaard (Worcester/ENG), Lwazi Mvovo (Sharks), Morne Steyn (Stade Francais/FRA)