Rassie Erasmus has added former Junior Springboks Carlu Sadie and JJ van der Mescht to the 21-player squad for Tuesday's first virtual Springbok alignment camp.
The Sharks have announced the departure of Springbok centre Lukhanyo Am, adding that he is heading to Japan.
Injury has severely hampered Lukhanyo Am's career, but the Springbok centre has not given up on green and gold dreams.
Springbok centre Lukhanyo Am has been named in the matchday 23 for a Sharks invitational side to take on the touring Saracens this weekend.
The Springboks have returned to the top of the World Rugby rankings after a 32-15 victory over Scotland at Murrayfield on Sunday.
Springboks Cheslin Kolbe and Lukhanyo Am agreed that their Rugby Championship encounter against New Zealand in Cape Town on Saturday would be tougher and more intense than last week.