A last-gasp try by Emiliano Boffelli – who plays his club rugby for Edinburgh – gave the hosts the win, who at one stage looked down and out.
We give each Scotland player a mark out of ten for their performance in Santiago del Estero ...
9. Ali Price
Produced a try-saving tackle late on as Scotland tried to cling on but also guilty of badly misjudged kick in final quarter. 6 Photo: Craig Williamson - SNS Group
10. Blair Kinghorn
His best game at 10 for Scotland. Created a try each for Duhan van der Merwe and Ewan Ashman and generally looked more assured as playmaker. 7 Photo: Gustavo Garello
11. Duhan van der Merwe
Dangerous every time he got the ball. Showed superb strength and finishing for the first try and was alert for the second. Now has 12 tries from 19 Tests. 7 Photo: PABLO GASPARINI
12. Sione Tuipulotu
Took the ball into contact to good effect as backline punched holes in Argentina defence. 6 Photo: PABLO GASPARINI