Overview
- Loosehead prop Ox Nche returns as the only change to the starting XV, with bench tweaks bringing in Bongi Mbonambi, Grant Williams and Jesse Kriel.
- Franco Mostert withdrew from the trip due to a family bereavement, prompting the recall of fellow lock Lood de Jager to the squad.
- South Africa top the table on 15 points to New Zealand’s 14 and will take the field knowing the Perth result, with a bonus-point win guaranteeing the trophy.
- Sacha Feinberg-Mngomezulu stays at fly-half after a Springbok-record 37 points in the 67-30 Durban win, as Rassie Erasmus warns the scoreline flattered his side and expects a fierce Argentina response.
- Argentina host the fixture at Twickenham for commercial reasons, as uncertainty lingers over a potentially truncated Rugby Championship format from 2026.