Argentina have made a total of six changes for the final game of the June internationals clash against Scotland to be played in Resistencia on Saturday.
Australia ran a five-try riot as they finished the World Rugby U20 Championship 2018 with a fifth place following a 15-41 victory over Argentina in Beziers.
Wales finished the summer tour undefeated as they eased past Argentina with a 12-30 victory in the second Test at Estadio Brigadier Estanislao Lopez and wrapped up the series 2-0.
Argentina U20 have kept themselves in the race for a fifth-place finish after they managed to beat Wales 15-39 in their World Rugby U20 Championship encounter in Narbonne on Tuesday.
Wales maintained their winning momentum in June series as they eased past Argentina 10-23 in the first Test between the two teams at Estadio San Juan del Bicentenario on Saturday.
Argentina managed to open their account in the ongoing World Rugby U20 Championship after securing a bonus point victory over Scotland in Perpignan on Sunday.
Jordan Olowofela and Henry Walker scored doubles as England kick-started their World Rugby U20 Championship with a 39-18 win over Argentina in Narbonne on Wednesday.
Argentina international Juan Martin Fernandez Lobbe is set to sign off from professional rugby following the Quilter Cup clash against England where he leads Barbarians.
Winger Jacob Stockdale scored a try apiece on either half as Ireland resisted late fightback from Argentina with a 28-19 win to complete a clean sweep in the autumn internationals at Aviva Stadium on Friday.