| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 25-Jun-2021 | Sam Costelow | Wales | 10-Jan-2001 | 20(166) |
| 01-Jul-2021 | Jacob Beetham | Wales | 18-Apr-2001 | 20(74) |
| 25-Jun-2021 | Garyn Phillips | Wales | 14-May-2001 | 20(42) |
| 25-Jun-2021 | Harri Deaves | Wales | 13-Jun-2001 | 20(12) |
| 25-Jun-2021 | Ioan Evans | Wales | 18-Jul-2001 | 19(342) |
| 01-Jul-2021 | James Fender | Wales | 03-Aug-2001 | 19(332) |
| 01-Jul-2021 | Theo Bevacqua | Wales | 13-Sep-2001 | 19(291) |
| 01-Jul-2021 | Carwyn Tuipulotu | Wales | 28-Sep-2001 | 19(276) |
| 01-Jul-2021 | Ethan Lloyd | Wales | 29-Sep-2001 | 19(275) |
| 01-Jul-2021 | Dan John | Wales | 04-Oct-2001 | 19(270) |
| 01-Jul-2021 | Lewys Jones | Wales | 28-Oct-2001 | 19(246) |
| 01-Jul-2021 | Will Reed | Wales | 03-Nov-2001 | 19(240) |
| 01-Jul-2021 | Alex Mann | Wales | 06-Jan-2002 | 19(176) |
| 25-Jun-2021 | Nathan Evans | Wales | 03-Jan-2002 | 19(173) |
| 01-Jul-2021 | Christ Tshiunza | Wales | 09-Jan-2002 | 19(173) |
| 25-Jun-2021 | Joe Peard | Wales | 02-Feb-2002 | 19(143) |
| 01-Jul-2021 | Ollie Burrows | Wales | 16-May-2002 | 19(46) |
| 01-Jul-2021 | Joe Hawkins | Wales | 11-Jun-2002 | 19(20) |
| 01-Jul-2021 | Eddie James | Wales | 10-Aug-2002 | 18(326) |
| 01-Jul-2021 | Dafydd Jenkins | Wales | 05-Dec-2002 | 18(209) |
| 25-Jun-2021 | Efan Daniel | Wales | 14-Dec-2002 | 18(194) |
| 01-Jul-2021 | Tom Florence | Wales | 19-Mar-2003 | 18(105) |
| 25-Jun-2021 | Harri Williams | Wales | 05-Apr-2003 | 18(82) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).