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 ...
5. Jonny Gray
Held up over the line as Scotland sought a fifth try from a late lineout when they could have taken the three points. Lineout was an issue for the visitors all night. 6
Photo: Gustavo Garello
6. Rory Darge - 8
Excellent once more. Scotland’s ball winner in chief, and a constant thorn in the side of the hosts. Didn’t deserve to be on the losing side. 8
Photo: Rory Darge
7. Hamish Watson
His first match as captain and possibly made the wrong call when Scotland had the chance to take an easy three points from a late penalty but chose to kick to the corner. 6
Photo: Ross MacDonald - SNS Group / SRU
8. Matt Fagerson
Has had a fine tour and didn’t disappoint in the third Test. Will go home with his reputation enhanced. 7
Photo: Paul Devlin - SNS Group / SRU