Springbok and Lions prop Asenathi Ntlabakanye has copped an 18-month ban after testing positive for illegal substances last year.
Jean de Villiers and Schalk Burger believe the All Blacks will find a way to ensure Richie Mo'unga features in The Greatest Rivalry Series.
Springbok coach Rassie Erasmus has included Embrose Papier and several Junior Bok stars in the 40-man alignment camp later this month.
Springbok back Ethan Hooker is hoping to be available for the opening Test of the Rugby's Greatest Rivalry series against the All Blacks in a little under three months' time.
The All Blacks will be without Richie Mo'unga until after Rugby's Greatest Rivalry Tour to South Africa, NZ Rugby has confirmed.
Former All Blacks star Jeff Wilson has sounded the alarm over New Zealand's lack of front row depth ahead of this year's blockbuster four-Test showdown with the Springboks.