Andrew Robertson has been ruled out of Scotland’s European qualifier against Germany on Sunday due to injury.
The former Dundee United defender, who is now at Hull City, withdrew on Wednesday with a calf strain.
The 20-year-old tweeted: "Gutted to be injured but hopefully back for West Ham. Good luck to all the boys."
Scotland open their Group D campaign against World Cup winners Germany in Dortmund.
Watch Scotland's European Qualifier away to Germany live on Sky Sports 5 HD on Sunday, with coverage underway from 7.15pm.