Uncapped Edinburgh prop Murray McCallum has been included in Scotland’s NatWest 6 Nations squad.
The 21-year-old has won a call-up amid a selection crisis in Gregor Townsend’s front row which sees Fraser Brown miss out through injury.
Full-back Stuart Hogg is in the squad despite an ongoing hip problem.
Scotland’s problems in the front row also see uncapped Glasgow prop D’Arcy Rae included and Jon Welsh and Scott Lawson recalled following several years out of the reckoning.
Full-back Blair Kinghorn and scrum-half Nathan Fowles complete a quartet of uncapped players in Townsend’s 40-man pool.
Greig Laidlaw, Richie Gray and Mark Bennett are all included after missing the autumn series through injury.