Ethan Ampadu was only allowed to join up with the Wales national team for a training camp this month because it coincided with a school break.
Brazilian-born left back Emerson Palmieri has been called up to Italy's squad for the first time for games against Uruguay and Liechtenstein.
Chris Coleman challenges his Wales side to prove they can perform without star man Gareth Bale in the squad.
England captain Wayne Rooney has been left out of the 25-man squad for June's World Cup qualifier against Scotland and the friendly against France.
Manchester City winger Leroy Sane has pulled out of Germany's internationals next month to have an operation on his nose.
His season isn't completely over yet, though, and he will still join up with Julen Lopetegui's Spain squad at the start of next month.