Feinberg-Mngomezulu is picked at No 10, with Handre Pollard named on the bench. Louw starts at No 8, with the Boks opting for a 6-2 forwards-backs split on the bench.
Saturday's Test kicks off at 06:45 (SA time).
For more news on the Springboks, visit our dedicated section.
Springbok coach Rassie Erasmus has named his team for Saturday's opening Rugby Championship encounter against Australia in Brisbane.
The two notable selections are Sacha Feinberg-Mngomezulu starting at flyhalf and Elrigh Louw at No 8, with both players earning their first starts in a Springbok jersey.
Subscribe our newsletter to stay updated
Thank you for subscribing!
Subscribe our newsletter to stay updated
Thank you for subscribing!