Argentina wing Juan Imhoff will miss both Rugby Championship matches against the Springboks due to injury.
Colin Slade has been brought in to New Zealand's Rugby Championship squad as a replacement for the injured Dan Carter.
Victor Matfield has been ruled out of the Springboks' opening Test of the Rugby Championship due to a knee cartilage injury.
Heyneke Meyer has explained why Coenie Oosthuizen, Siya Kolisi and Johan Goosen were not selected for the Springbok squad.
Dan Carter will miss at least two of the All Blacks' Rugby Championship matches.
Springbok coach Heyneke Meyer has warned his side against complacency heading into the Rugby Championship.
Wallabies hooker Tatafu Polota-Nau will miss his side's opening match of the Rugby Championship with a knee injury.
Argentina coach Daniel Hourcade says his team must make the Springboks uncomfortable at Loftus on 16 August.
Cobus Reinach has been called up to the Springbok squad for the Rugby Championship, while Coenie Oosthuizen, Siya Kolisi and Johan Goosen have been dropped.