Scotland head coach Gregor Townsend has confirmed number eight Jack Dempsey will miss their final autumn Test against Australia and in all likelihood a key chunk of Glasgow’s season as he awaits a specialist verdict on his shoulder injury.
Crosbie has been beset by injuries.
Scotland player ratings: Scotland slipped to a ninth successive defeat against South Africa, and a fourth under Gregor Townsend, as the world champions proved too strong at Murrayfield.
Tom Jordan has been rewarded for his impressive debut off the bench in last week's record 57-17 win over Fiji with a place in Scotland's starting line-up against South Africa on Sunday afternoon.
Scotland player ratings: Gregor Townsend's men put Fiji to sword, with Darcy Graham scoring four tries in a virtuoso performance.
Edinburgh prop D’Arcy Rae is in line to make his first Scotland start against Fiji on Saturday if Zander Fagerson has to pull out.
The Scots were 31-19 winners in Montevideo on July 27, an historic day when Duhan van der Merwe became his country’s all-time record try scorer.
Five new faces were part of the 45-man Scotland contingent that convened this week ahead of their Autumn Nations Series, nothing out of the ordinary.