JOHANNESBURG - Springbok coach Rassie Erasmus has bolstered his squad for the one-off Test against Argentina and the Greatest Rivalry Series.
Stormers prop Ntuthuko Mchunu has been handed a call up.
This brings the number of the training group to 44 players.
READ | Young fly-half Moyo to debut for Springboks against Wales
The world champions reassembled in Johannesburg on Sunday evening. The squad was given a week off following the Nations Championship campaign.
South Africa have won all three of their fixtures in the competition so far.
They travel to Argentina next month before facing old foes the All Blacks in a blockbuster fixture on the 22nd of August.