| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 16-Nov-2019 | Taine Basham | Wales | 02-Nov-1999 | 20(14) |
| 11-Jan-2020 | Rio Dyer | Wales | 21-Dec-1999 | 20(21) |
| 22-Nov-2019 | Ben Fry | Wales | 26-Sep-1998 | 21(57) |
| 17-Jan-2020 | Carwyn Penny | England | 17-Nov-1998 | 21(61) |
| 16-Nov-2019 | Max Williams | Wales | 02-Apr-1998 | 21(228) |
| 11-Jan-2020 | Jared Rosser | Wales | 31-Dec-1997 | 22(11) |
| 16-Nov-2019 | Will Talbot-Davies | Wales | 11-Sep-1997 | 22(66) |
| 07-Dec-2019 | Aaron Wainwright | Wales | 25-Sep-1997 | 22(73) |
| 22-Nov-2019 | Ellis Shipp | Wales | 14-Aug-1997 | 22(100) |
| 22-Nov-2019 | Arwel Robson | Wales | 21-Feb-1997 | 22(274) |
| 16-Nov-2019 | Leon Brown | Wales | 26-Oct-1996 | 23(20) |
| 16-Nov-2019 | Huw Taylor | England | 05-Jun-1996 | 23(163) |
| 17-Jan-2020 | Harrison Keddie | Wales | 10-Jul-1996 | 23(190) |
| 16-Nov-2019 | Thomas Griffiths | England | 17-Nov-1995 | 23(364) |
| 16-Nov-2019 | Joseph Davies | Wales | 13-Nov-1995 | 24(3) |
| 16-Nov-2019 | Tyler Morgan | Wales | 11-Sep-1995 | 24(66) |
| 16-Nov-2019 | Dafydd Howells | Wales | 22-Mar-1995 | 24(239) |
| 07-Dec-2019 | Ollie Griffiths | Wales | 23-Mar-1995 | 24(259) |
| 13-Dec-2019 | Jack Dixon | Wales | 13-Dec-1994 | 24(365) |
| 07-Dec-2019 | Ashton Hewitt | Wales | 20-Nov-1994 | 25(17) |
| 18-Sep-2020 | Nick Tompkins | Wales | 16-Feb-1995 | 25(215) |
| 11-Jan-2020 | Ross Moriarty | Wales | 18-Apr-1994 | 25(268) |
| 16-Nov-2019 | James Benjamin | Wales | 21-Feb-1994 | 25(268) |
| 13-Dec-2019 | Elliott Dee | Wales | 07-Mar-1994 | 25(281) |
| 16-Nov-2019 | Sam Davies | Wales | 06-Oct-1993 | 26(41) |
| 22-Nov-2019 | Jordan Williams | Wales | 20-Sep-1993 | 26(63) |
| 16-Nov-2019 | Owen Jenkins | Wales | 20-Jul-1993 | 26(119) |
| 07-Dec-2019 | Rhodri Williams | Wales | 05-May-1993 | 26(216) |
| 22-Nov-2019 | Matthew Screech | Wales | 24-Oct-1992 | 27(28) |
| 13-Dec-2019 | Cory Hill | Wales | 10-Feb-1992 | 27(306) |
| 11-Jan-2020 | Jacob Botica | New Zealand | 03-Mar-1992 | 27(313) |
| 22-Nov-2019 | Lloyd Fairbrother | England | 13-Nov-1991 | 28(9) |
| 18-Sep-2020 | Jonah Holmes | Wales | 24-Jul-1992 | 28(56) |
| 13-Dec-2019 | Adam Warren | Wales | 07-Mar-1991 | 28(281) |
| 16-Nov-2019 | Luke Baldwin | England | 15-Sep-1990 | 29(62) |
| 22-Nov-2019 | Tavis Knoyle | Wales | 02-Jun-1990 | 29(173) |
| 16-Nov-2019 | Aaron Jarvis | Wales | 20-May-1986 | 33(180) |
| 18-Sep-2020 | Jamie Roberts | Wales | 08-Nov-1986 | 33(315) |
| 07-Dec-2019 | Juan Harris | South Africa | 22-Feb-1985 | 34(288) |
| 16-Nov-2019 | Richard Hibbard | Wales | 13-Dec-1983 | 35(339) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).