Leicester have signed Argentina's Tomas Lavanini, Samoa's Nephi Leatigaga, and former academy captain Charlie Care for next season.
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Elton Jantjies' drop-goal a minute from time earned the Barbarians a thrilling 38-35 win over Argentina at Twickenham on Saturday.
Pumas coach Mario Ledesma says a rule introduced in Argentine rugby two years ago emasculated their once-feared scrum.
Sean Maitland's try ensured Scotland ended the autumn campaign on a high with a 14-9 win over Argentina at Murrayfield.
Stuart Hogg will be available for Scotland against Argentina on Saturday, despite being forced off in last weekend's narrow defeat to South Africa.
France ended a five-match losing streak with a 28-13 win over Argentina in Lille on Saturday.
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We take a look at the state of play in Argentina ahead of the 2017 Rugby Championship.
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