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South Africa have added centre Andre Esterhuizen and lock Marvin Orie to the squad preparing for a key Rugby Championship final round match away to Argentina on August 10.
A bonus-point victory for the Springboks in Salta will ensure they win the southern hemisphere competition for the first time since it was extended to four countries in 2012.
Esterhuizen, a seven-time international started, and Orie, who has two Springboks caps to his name, came off the bench in a home victory over Australia earlier this month but they were excluded for the away match against New Zealand last weekend which was drawn.
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Orie played for the Golden Lions in the domestic Currie Cup competition instead while Esterhuizen was inactive because the Sharks had a bye.
South Africa remained in New Zealand to train after the 16-all thriller and will fly from there to Argentina, cutting out a long journey home across the Indian Ocean.
After the Test at the Padre Ernesto Martearena Stadium, South Africa meet the Pumas again the following weekend in a Rugby World Cup warm-up match in Pretoria.
The two-time world champions are in Pool B with holders All Blacks, Canada, Italy and Namibia at the tournament in Japan with the tournament kicking off on September 20.
