Bester's central argument is that the Springboks' biggest challenge heading into this Rugby Championship fixture in Buenos Aires isn't Argentina's physicality or home-crowd intensity — those are known quantities. It's the genuine uncertainty around what kind of rugby Contepomi's heavily reshaped squad will actually play. With Montoya absent and Albornoz suspended, Contepomi has leaned into the disruption rather than patching it, calling up ten potential debutants alongside returning veterans like Lavanini and Martínez. The injection of former Sevens players and tempo-oriented youngsters raises a real question: is this the same set-piece-and-pressure Pumas blueprint, or something faster and less predictable? Bester argues that uncertainty is itself Argentina's weapon — Erasmus's meticulous preparation is complicated when there's simply not enough continuity in the opposition squad to analyse. The Boks arrive with their strongest group restored; the Pumas arrive as an open question.