Former AFC Wimbledon loanee Dapo Mebude will join up with Scotland's Under-21 side for clashes with Belgium and Denmark on June 6 and June 10, hoping to reach the Under-21 European Championships.
Watford Under-23 striker Tiago Cukur has been awarded his first call-up to Turkey's senior side for their Nations League fixtures.
Cukur, 19, is in the squad for four fixtures, kicking off at 7.45pm BST on each day. A home meeting with the Faroe Islands on June 4 begins the run of games, followed by a trip to Lithuania on June 7 and Luxembourg four days later. Then hosting Lithuania on June 14, Cukur will be hoping to win his first senior cap after appearances in the Under-17 and Under-21 sides.
Fellow Under-23 JJ McKiernan will also be joining up with his national team, representing Northern Ireland Under-21s against Spain [June 3, 1pm BST] and Lithuania [June 7, 4pm BST].