BUENOS AIRES, Argentina (AP) — South Africa scraped past Argentina 17-10 in test rugby at the possible expense of inspirational captain Siya Kolisi on Saturday. Kolisi trudged off in the 25th minute of his first match in seven weeks after damaging his hamstring. He may be a doubt to lead the Springboks back home against New Zealand in two weeks in the opening test of the blockbuster Greatest Rivalry series. There’s nothing I can do but go in for a scan and see how long I’m out for.” The Boks were also diligent but crashing into a good Pumas defense.