Everton right-back Nathan Patterson faces up to five weeks on the sidelines with an ankle injury, the Premier League club have confirmed.
The 20-year-old was carried off on a stretcher during Scotland's Nations League win over Ukraine at Hampden Park last Wednesday.
Patterson was injured in a challenge with Ruslan Malinovskyi during the first half of the contest.
A statement from the club read: 'Everton defender Nathan Patterson is expected to be out for around four to five weeks with an ankle injury.
'Following a consultation with a specialist in London, Patterson will now undergo treatment under the care of Everton's medical team at Finch Farm.