South Africa's win over Argentina in Buenos Aires was marred by an injury to their captain. (AP PHOTO)South Africa's win over Argentina in Buenos Aires was marred by an injury to their captain. (AP PHOTO) Credit: AAPSouth Africa's 17-10 win over Argentina in their rugby Test in Buenos Aires was soured by an injury to inspirational captain Siya Kolisi. The skipper was among a core group of Springbok stalwarts given match time in Buenos Aires after missing the Nations Championship in July because of injuries. They got to celebrate a 12th straight Test win, but only just.