| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 02-Nov-2020 | Joe Hawkins | Wales | 11-Jun-2002 | 18(145) |
| 12-Mar-2021 | Garyn Phillips | Wales | 14-May-2001 | 19(302) |
| 02-Nov-2020 | Josh Thomas | Wales | 30-Jun-2000 | 20(125) |
| 15-Nov-2020 | Tiaan Thomas-Wheeler | Wales | 19-Nov-1999 | 20(362) |
| 12-Mar-2021 | Dewi Cross | Wales | 06-Dec-1999 | 21(97) |
| 08-Nov-2020 | Cai Evans | Wales | 23-Jun-1999 | 21(139) |
| 24-Oct-2020 | Dewi Lake | Wales | 16-May-1999 | 21(162) |
| 08-Nov-2020 | Will Griffiths | Wales | 25-Dec-1998 | 21(319) |
| 22-Nov-2020 | Rhys Josh Davies | Wales | 09-Nov-1998 | 22(14) |
| 03-Oct-2020 | Morgan Morris | Wales | 28-Aug-1998 | 22(37) |
| 19-Mar-2021 | Rhys Henry | Wales | 08-Sep-1998 | 22(193) |
| 24-Oct-2020 | Reuben Morgan-Williams | Wales | 02-Feb-1998 | 22(265) |
| 26-Feb-2021 | Keelan Giles | Wales | 29-Jan-1998 | 23(28) |
| 03-Oct-2020 | Kieran Williams | Wales | 12-Apr-1997 | 23(174) |
| 03-Oct-2020 | Owen Watkin | Wales | 12-Oct-1996 | 23(356) |
| 03-Oct-2020 | Matthew Protheroe | England | 10-Oct-1996 | 23(358) |
| 03-Oct-2020 | Adam Beard | Wales | 07-Jan-1996 | 24(270) |
| 15-Nov-2020 | Ifan Phillips | Wales | 29-Jan-1996 | 24(291) |
| 12-Mar-2021 | Luke Price | Wales | 26-Sep-1995 | 25(168) |
| 03-Oct-2020 | Oliver Cracknell | Wales | 26-May-1994 | 26(131) |
| 03-Oct-2020 | Nicky Smith | Wales | 07-Apr-1994 | 26(180) |
| 15-Nov-2020 | Gareth Thomas | Wales | 02-Aug-1993 | 27(105) |
| 01-Jan-2021 | Sam Cross | Wales | 26-Aug-1992 | 28(128) |
| 03-Oct-2020 | Luke Morgan | Wales | 16-May-1992 | 28(140) |
| 22-Nov-2020 | George North | Wales | 13-Apr-1992 | 28(223) |
| 03-Oct-2020 | Sam Parry | Wales | 17-Dec-1991 | 28(291) |
| 24-Oct-2020 | Rhodri Jones | Wales | 23-Dec-1991 | 28(306) |
| 08-Nov-2020 | Gareth Evans | England | 19-Sep-1991 | 29(51) |
| 15-Nov-2020 | Hanno Dirksen | South Africa | 31-Mar-1991 | 29(230) |
| 24-Oct-2020 | Scott Williams | Wales | 10-Oct-1990 | 30(15) |
| 20-Feb-2021 | Lloyd Ashley | Wales | 02-Feb-1991 | 30(19) |
| 03-Oct-2020 | Tom Botha | South Africa | 31-Aug-1990 | 30(34) |
| 24-Oct-2020 | James King | Wales | 24-Jul-1990 | 30(93) |
| 24-Oct-2020 | Ma'afu Fia | Tonga | 22-Nov-1989 | 30(337) |
| 03-Oct-2020 | Justin Tipuric | Wales | 06-Aug-1989 | 31(59) |
| 03-Oct-2020 | Rhys Webb | Wales | 09-Dec-1988 | 31(299) |
| 03-Oct-2020 | Daniel Evans | Wales | 15-Nov-1988 | 31(323) |
| 24-Oct-2020 | Dan Lydiatt | Wales | 18-Dec-1987 | 32(311) |
| 15-Nov-2020 | Shaun Venter | South Africa | 16-Mar-1987 | 33(245) |
| 03-Oct-2020 | Alan Wyn Jones | Wales | 19-Sep-1985 | 35(15) |
| 24-Oct-2020 | Bradley Davies | Wales | 09-Jan-1985 | 35(289) |
| 03-Oct-2020 | Stephen Myler | England | 21-Jul-1984 | 36(74) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).