Sante Fe - England defeated Argentina 35-25 in a Santa Fe thriller on Saturday to clinch a 2-0 victory in their two-Test series.
The tourists, level at 25-25 with 16 minutes left, finished stronger as prop Will Collier barged over for a try that flyhalf George Ford converted.
Ford sealed success for England, lacking 30 of their best players, primarily due to British and Irish Lions call-ups, with a drop goal six minutes from time.
Tries: Joaquin Tuculet, Pablo Matera, Emiliano Boffelli
Conversions: Nicolas Sanchez (2)
Penalties: Sanchez (2)
Tries: Charlie Ewels, Piers Francis, Danny Care, Will Collier
Conversions: George Ford (3)
Penalties: Ford (2)
Drop goal: Ford