Rassie Erasmus explains surprise Malcolm Marx role as Springboks prepare new plan vs Wallabies

• Malcolm Marx could be used as a flanker during Sunday's Test against the Wallabies
• The Springboks are preparing for several positional changes depending on how the match develops, with Erasmus indicating that Jan-Hendrik Wessels could switch to hooker if Ox Nché enters the game
• The approach is part of Erasmus' broader effort to manage player workloads while continuing to develop greater versatility and depth within the squad