| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 12-Dec-2020 | Ben Carter | Wales | 23-Jan-2001 | 19(323) |
| 19-Dec-2020 | Rio Dyer | Wales | 21-Dec-1999 | 20(364) |
| 12-Dec-2020 | Taine Basham | Wales | 02-Nov-1999 | 21(41) |
| 12-Dec-2020 | Jared Rosser | Wales | 31-Dec-1997 | 22(347) |
| 19-Dec-2020 | Will Talbot-Davies | Wales | 11-Sep-1997 | 23(99) |
| 19-Dec-2020 | Huw Taylor | England | 05-Jun-1996 | 24(197) |
| 19-Dec-2020 | Joseph Davies | Wales | 13-Nov-1995 | 25(37) |
| 12-Dec-2020 | Joe Maksymiw | England | 20-Sep-1995 | 25(84) |
| 12-Dec-2020 | Ollie Griffiths | Wales | 23-Mar-1995 | 25(265) |
| 12-Dec-2020 | Nick Tompkins | Wales | 16-Feb-1995 | 25(300) |
| 19-Dec-2020 | Jack Dixon | Wales | 13-Dec-1994 | 26(7) |
| 19-Dec-2020 | Elliott Dee | Wales | 07-Mar-1994 | 26(288) |
| 12-Dec-2020 | Sam Davies | Wales | 06-Oct-1993 | 27(67) |
| 12-Dec-2020 | Rhodri Williams | Wales | 05-May-1993 | 27(221) |
| 12-Dec-2020 | Jonah Holmes | Wales | 24-Jul-1992 | 28(141) |
| 12-Dec-2020 | Josh Lewis | Wales | 22-Mar-1992 | 28(265) |
| 19-Dec-2020 | Lloyd Fairbrother | England | 13-Nov-1991 | 29(37) |
| 19-Dec-2020 | Tavis Knoyle | Wales | 02-Jun-1990 | 30(201) |
| 12-Dec-2020 | Lewis Evans | Wales | 09-Jul-1987 | 33(157) |
| 12-Dec-2020 | Jamie Roberts | Wales | 08-Nov-1986 | 34(35) |
| 12-Dec-2020 | Aaron Jarvis | Wales | 20-May-1986 | 34(207) |
| 12-Dec-2020 | Juan Harris | South Africa | 22-Feb-1985 | 35(294) |
| 12-Dec-2020 | Richard Hibbard | Wales | 13-Dec-1983 | 37(0) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).