Grant Gilchrist will captain an inexperienced Scotland side against Argentina in Cordoba on Friday.
The 23-year-old Edinburgh lock will be playing in his seventh international, having scored a try in last Saturday’s 19-17 win over Canada.
Stuart Hogg, Sean Maitland and Peter Horne also keep their places as 13 new faces joined the tour party this week.
Scrum-half Grayson Hart, lock Jonny Gray and back-row forward Kieran Low all make their first starts.
With scrum-half Greig Laidlaw among those returning home after victories against USA and Canada, Gilchrist becomes Scotland’s youngest captain since Gregor Townsend led the team against Australia 18 years ago.
Peter Horne will make his first Scotland start in Saturday’s Test against Canada in Toronto.
The Glasgow centre replaces the injured Duncan Taylor in one of four changes to the side that beat USA 24-6.
Grant Gilchrist takes Jim Hamilton’s place in the second row, while prop Moray Low is in for Geoff Cross.
Kelly Brown returns to the back row for his 64th cap, with scrum-half Greig Laidlaw retaining the captaincy and Finn Russell staying at fly-half.
Russell, 21, enjoyed a promising debut in Texas along with Glasgow team-mate Gordon Reid, who also keeps his place in the front row. Brown’s inclusion means Blair Cowan drops to the bench after winning his first cap.
Edinburgh Rugby lock Grant Gilchrist scooped this season’s coach-nominated Player of the Season award at the club’s 2013 / 2014 awards dinner. Roddy Grant, Dougie Fife, Cornell du Preez and Alasdair Dickinson were the other players who were honoured for their contributions this year to Edinburgh Rugby.
Scotland have made four changes to their pack and finalized their back division for Saturday’s viagogo Autumn Test against Australia, having declared winger Tommy Seymour fit to play and take his spot in the starting line up.
Grant Gilchrist, the 22-year-old Edinburgh Rugby lock, will win his first cap for Scotland in Saturday’s final 2013 RBS 6 Nations Championship match against France in Paris.
Gilchrist, the 6ft 8ins product of the Alloa and Stirling County clubs, replaces the injured Richie Gray. The only other change to the starting line-up sees the experienced Alasdair Strokosch preferred to Rob Harley at blindside flanker.
Ten uncapped players have been named in interim head coach Scott Johnson’s first Scotland squad. The 35-strong squad will convene in Glasgow next Sunday for a three-day training camp ahead of the RBS 6 Nations Championship.
Head coach Andy Robinson has today named seven uncapped players in his 34-strong Scotland squad for training at St Andrews next week in preparation for the first EMC Test against New Zealand at Murrayfield next month.