| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 18-Jun-2017 | Arwel Robson | Wales | 21-Feb-1997 | 20(117) |
| 18-Jun-2017 | Kieron Assiratti | Wales | 30-Jun-1997 | 19(353) |
| 13-Jun-2017 | Sean Moore | Wales | 01-Jul-1997 | 19(347) |
| 18-Jun-2017 | Phil Jones | Wales | 09-Aug-1997 | 19(313) |
| 18-Jun-2017 | Ellis Shipp | Wales | 14-Aug-1997 | 19(308) |
| 18-Jun-2017 | Calum Bradbury | Wales | 01-Sep-1997 | 19(290) |
| 13-Jun-2017 | Aled Ward | Wales | 08-Sep-1997 | 19(278) |
| 13-Jun-2017 | Will Talbot-Davies | Wales | 11-Sep-1997 | 19(275) |
| 18-Jun-2017 | Shane Lewis-Hughes | Wales | 20-Sep-1997 | 19(271) |
| 31-May-2017 | Cameron Lewis | Wales | 24-Sep-1997 | 19(249) |
| 18-Jun-2017 | Owen Lane | Wales | 20-Dec-1997 | 19(180) |
| 18-Jun-2017 | Jared Rosser | Wales | 31-Dec-1997 | 19(169) |
| 18-Jun-2017 | Reuben Morgan-Williams | Wales | 02-Feb-1998 | 19(136) |
| 18-Jun-2017 | Rhys Carre | Wales | 08-Feb-1998 | 19(130) |
| 18-Jun-2017 | James Botham | Wales | 22-Feb-1998 | 19(116) |
| 18-Jun-2017 | Ioan Nicholas | Wales | 03-Apr-1998 | 19(76) |
| 08-Jun-2017 | Owen Hughes | Wales | 28-Mar-1998 | 19(72) |
| 08-Jun-2017 | Joe Goodchild | Wales | 12-Apr-1998 | 19(57) |
| 13-Jun-2017 | Dane Blacker | Wales | 06-Jul-1998 | 18(343) |
| 18-Jun-2017 | Will Jones | Wales | 03-Dec-1998 | 18(198) |
| 18-Jun-2017 | Will Griffiths | Wales | 25-Dec-1998 | 18(176) |
| 18-Jun-2017 | Ryan Conbeer | Wales | 05-Feb-1999 | 18(134) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).