Declan Gallagher and Josh Doig have been called up to the Scotland squad.
The pair enter as Nathan Patterson and David Turnbull drop out ahead of UEFA Nations League games against Republic of Ireland and Ukraine.
The St Mirren Gallagher centre-back was a key member of the squad that qualified for the European Championship and made the squad for the final, but hasn’t played for his country for a while. Euro 2020 preparation match against Luxembourg in May 2021.
Hellas Verona left-back Doig was promoted from the Under-21 side after playing in a friendly win against Northern Ireland earlier on Thursday.
Everton right-back Patterson was sent off from Hampden on a stretcher after injuring his knee in Scotland’s 3-0 win over Ukraine on Wednesday.
Celtic midfielder Turnbull failed to shake off a knock to the ankle.