Several United players were involved for their respective countries on Sunday.
Enda Stevens and Ethan Ampadu played 90 minutes for the Republic of Ireland and Wales respectively in a goalless draw at the Aviva Stadium in Dublin.
Rhys Norrington-Davies was again an unused substitute for Wales, whilst John Egan and David McGoldrick didn't feature for Stephen Kenny's side.
John Fleck started in the heart of Scotland's midfield as they overcame Slovakia at Hampden Park, with Oli McBurnie replacing match winner Lydon Dykes on 72 minutes.
Meanwhile, Sander Berge again played a full game for Norway as Erling Haaland's hat-trick helped them impressively beat Romania 4-0 in Oslo.