| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 11-Sep-2011 | Lewis Jones | Wales | 24-Nov-1992 | 18(291) |
| 15-Mar-2012 | Harry Robinson | Wales | 16-Apr-1993 | 18(334) |
| 26-Feb-2021 | Mason Grady | Wales | 29-Mar-2002 | 18(335) |
| 24-Apr-2009 | James Loxton | Wales | 02-Feb-1990 | 19(81) |
| 15-Sep-2012 | Rhys Patchell | Wales | 17-May-1993 | 19(121) |
| 28-Nov-2015 | Jarrod Evans | Wales | 25-Jul-1996 | 19(125) |
| 20-May-2022 | Cam Winnett | Wales | 07-Jan-2003 | 19(133) |
| 09-May-2008 | Leigh Halfpenny | Wales | 22-Dec-1988 | 19(138) |
| 08-Oct-2011 | Thomas Young | Wales | 18-May-1992 | 19(142) |
| 01-Sep-2012 | Thomas Davies | Wales | 10-Mar-1993 | 19(175) |
| 25-Apr-2015 | Garyn Smith | Wales | 12-Jul-1995 | 19(287) |
| 31-Oct-2009 | Rhys Williams | Wales | 16-Jan-1990 | 19(288) |
| 02-Dec-2011 | Cory Hill | Wales | 10-Feb-1992 | 19(295) |
| 29-Oct-2010 | Dan Fish | Wales | 19-Dec-1990 | 19(314) |
| 24-Nov-2011 | Macauley Cook | Wales | 31-Dec-1991 | 19(328) |
| 24-Nov-2017 | Owen Lane | Wales | 20-Dec-1997 | 19(339) |
| 08-Sep-2017 | Kieron Assiratti | Wales | 30-Jun-1997 | 20(70) |
| 29-Nov-2020 | Gwilym Bradley | Wales | 10-Sep-2000 | 20(80) |
| 25-Mar-2016 | Dillon Lewis | Wales | 04-Jan-1996 | 20(81) |
| 14-Apr-2012 | Luke Hamilton | Scotland | 07-Jan-1992 | 20(98) |
| 30-Nov-2013 | Owen Jenkins | Wales | 20-Jul-1993 | 20(133) |
| 28-Sep-2007 | Tom James | Wales | 17-Apr-1987 | 20(164) |
| 04-Mar-2017 | Corey Domachowski | Wales | 19-Sep-1996 | 20(166) |
| 03-Apr-2009 | Sam Warburton | Wales | 05-Oct-1988 | 20(180) |
| 01-Mar-2008 | Geraint Rhys Jones | Wales | 23-Aug-1987 | 20(191) |
| 16-May-2015 | Aled Summerhill | Wales | 02-Nov-1994 | 20(195) |
| 30-Nov-2013 | Ellis Jenkins | Wales | 29-Apr-1993 | 20(215) |
| 06-Oct-2013 | Cory Allen | Wales | 11-Feb-1993 | 20(237) |
| 23-Apr-2010 | Scott Andrews | Wales | 01-Aug-1989 | 20(265) |
| 18-Sep-2010 | Lloyd Williams | Wales | 30-Nov-1989 | 20(292) |
| 31-Aug-2007 | Jamie Roberts | Wales | 08-Nov-1986 | 20(296) |
| 09-Sep-2008 | Darren Allinson | Wales | 13-Nov-1987 | 20(301) |
| 29-Oct-2011 | Josh Navidi | Wales | 30-Dec-1990 | 20(303) |
| 21-Sep-2007 | Rhys Gill | Wales | 30-Oct-1986 | 20(326) |
| 25-Feb-2011 | Rhys Downes | Wales | 10-Mar-1990 | 20(352) |
| 23-Feb-2019 | Rhys Carre | Wales | 08-Feb-1998 | 21(15) |
| 28-Feb-2020 | Max Llewellyn | Wales | 13-Jan-1999 | 21(46) |
| 25-Nov-2012 | Owen Williams | Wales | 02-Oct-1991 | 21(55) |
| 28-Feb-2016 | Tomos Williams | Wales | 01-Jan-1995 | 21(58) |
| 01-Sep-2017 | Seb Davies | Wales | 15-May-1996 | 21(109) |
| 26-Jan-2019 | Shane Lewis-Hughes | Wales | 20-Sep-1997 | 21(128) |
| 16-Nov-2020 | Jamie Hill | Wales | 14-Jun-1999 | 21(156) |
| 11-Sep-2011 | Alex Cuthbert | Wales | 05-Apr-1990 | 21(159) |
| 06-Sep-2015 | Ethan Lewis | Wales | 28-Mar-1994 | 21(162) |
| 07-Sep-2007 | Ross Johnston | Wales | 26-Mar-1986 | 21(165) |
| 15-Sep-2012 | Tom Williams | Wales | 02-Apr-1991 | 21(167) |
| 09-Jan-2010 | Sam Hobbs | Wales | 13-May-1988 | 21(241) |
| 30-Nov-2019 | James Botham | Wales | 22-Feb-1998 | 21(281) |
| 12-Oct-2007 | David Flanagan | Wales | 24-Oct-1985 | 21(353) |
| 31-Aug-2007 | Daffyd Hewitt | Wales | 21-Aug-1985 | 22(10) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).