| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 16-Nov-2019 | Tiaan Thomas-Wheeler | Wales | 19-Nov-1999 | 19(362) |
| 16-Nov-2019 | Cai Evans | Wales | 23-Jun-1999 | 20(146) |
| 16-Nov-2019 | Morgan Morris | Wales | 28-Aug-1998 | 21(80) |
| 23-Nov-2019 | Kieran Williams | Wales | 12-Apr-1997 | 22(225) |
| 23-Nov-2019 | Owen Watkin | Wales | 12-Oct-1996 | 23(41) |
| 16-Nov-2019 | Tom Williams | Wales | 03-Jul-1996 | 23(135) |
| 23-Nov-2019 | Adam Beard | Wales | 07-Jan-1996 | 23(320) |
| 16-Nov-2019 | Luke Price | Wales | 26-Sep-1995 | 24(51) |
| 13-Dec-2019 | Lesley Klim | Namibia | 16-Jan-1995 | 24(331) |
| 16-Nov-2019 | Scott Otten | Wales | 19-Jul-1994 | 25(120) |
| 16-Nov-2019 | Oliver Cracknell | Wales | 26-May-1994 | 25(174) |
| 23-Nov-2019 | Nicky Smith | Wales | 07-Apr-1994 | 25(230) |
| 16-Nov-2019 | Marvin Orie | South Africa | 15-Feb-1993 | 26(274) |
| 13-Dec-2019 | Sam Cross | Wales | 26-Aug-1992 | 27(108) |
| 07-Dec-2019 | Marty McKenzie | New Zealand | 14-Aug-1992 | 27(114) |
| 23-Nov-2019 | Aled Davies | Wales | 19-Jul-1992 | 27(126) |
| 19-Jan-2020 | Dan Baker | Wales | 05-Jul-1992 | 27(197) |
| 07-Dec-2019 | Luke Morgan | Wales | 16-May-1992 | 27(204) |
| 11-Jan-2020 | George North | Wales | 13-Apr-1992 | 27(272) |
| 16-Nov-2019 | Rhodri Jones | Wales | 23-Dec-1991 | 27(328) |
| 16-Nov-2019 | Hanno Dirksen | South Africa | 31-Mar-1991 | 28(230) |
| 16-Nov-2019 | Lloyd Ashley | Wales | 02-Feb-1991 | 28(287) |
| 16-Nov-2019 | Scott Williams | Wales | 10-Oct-1990 | 29(37) |
| 11-Jan-2020 | Darryl Marfo | Scotland | 01-Nov-1990 | 29(71) |
| 16-Nov-2019 | Ma'afu Fia | Tonga | 22-Nov-1989 | 29(359) |
| 19-Jan-2020 | Justin Tipuric | Wales | 06-Aug-1989 | 30(166) |
| 07-Dec-2019 | Daniel Evans | Wales | 15-Nov-1988 | 31(22) |
| 16-Nov-2019 | Dan Lydiatt | Wales | 18-Dec-1987 | 31(334) |
| 16-Nov-2019 | Shaun Venter | South Africa | 16-Mar-1987 | 32(245) |
| 11-Jan-2020 | Alan Wyn Jones | Wales | 19-Sep-1985 | 34(114) |
| 23-Nov-2019 | James Hook | Wales | 27-Jun-1985 | 34(149) |
| 23-Nov-2019 | Bradley Davies | Wales | 09-Jan-1985 | 34(318) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).