Hamilton and Purzycki make youth international debuts for Republic of Ireland and Poland.
- Purzycki features in 3-2 defeat to England U18s.
- Hamilton second half sub in 1-0 defeat v USA U20s.
- Emyr Huws a late sub for Wales in 0-0 v Belgium.
Development Squad forward Matthew Hamilton and Under 18s midfielder Adrian Purzycki both made their youth international debuts at the weekend, Hamilton for Republic of Ireland Under 21s and Purzycki for Poland Under 18s.
Both featured on Saturday, with 18-year-old Hamilton used as a second half substitute in Ireland's 1-0 defeat against USA Under 20s in Marbella.
In Gdanyia, Poland, Purzycki started against England Under 18s, a game which saw the hosts take an early 1-0 lead, before eventually losing out 3-2 in an entertaining contest.
First team midfielder Emyr Huws was also in action on Sunday, coming on as a second half stoppage time substitute in Wales' 0-0 draw away to Belgium. The Dragons sit second in Group B, just one point behind leaders Israel.
Both Hamilton and Purzycki could be in action again today, when Republic of Ireland face Russia in Marbella at 5.00pm and Poland host their second clash with England in Gdansk.
Under 18s goalkeeper Owen Evans' Wales Under 19s will also face Albania in their final European Under 19 Championship qualifier, kick off 3.00pm.
First team news sees Ali Al Habsi and Oman in action in their second Gulf Cup group game when they take on Iraq at 5.15pm.