| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 09-May-2008 | Kristian Phillips | Wales | 02-Sep-1990 | 17(250) |
| 16-Feb-2018 | Dewi Cross | Wales | 06-Dec-1999 | 18(73) |
| 28-Nov-2008 | Matthew Jarvis | Wales | 25-Aug-1990 | 18(96) |
| 02-Nov-2020 | Joe Hawkins | Wales | 11-Jun-2002 | 18(145) |
| 19-Nov-2010 | Matthew Morgan | Wales | 23-Apr-1992 | 18(210) |
| 26-Oct-2018 | Harri Morgan | Wales | 16-Mar-2000 | 18(224) |
| 29-Oct-2016 | Keelan Giles | Wales | 29-Jan-1998 | 18(274) |
| 12-Sep-2008 | Daniel Biggar | Wales | 16-Oct-1989 | 18(332) |
| 13-Sep-2015 | Owen Watkin | Wales | 12-Oct-1996 | 18(336) |
| 26-Oct-2018 | Tiaan Thomas-Wheeler | Wales | 19-Nov-1999 | 18(342) |
| 14-Oct-2007 | Gareth Owen | Wales | 05-Nov-1988 | 18(343) |
| 13-Feb-2011 | Tom Prydie | Wales | 23-Feb-1992 | 18(356) |
| 02-Dec-2017 | Will Jones | Wales | 03-Dec-1998 | 18(365) |
| 15-May-2009 | Ashley Beck | Wales | 15-Apr-1990 | 19(30) |
| 13-Sep-2015 | Sam Underhill | England | 22-Jul-1996 | 19(52) |
| 02-Nov-2018 | Cai Evans | Wales | 23-Jun-1999 | 19(132) |
| 06-May-2008 | Rhys Webb | Wales | 09-Dec-1988 | 19(148) |
| 28-Oct-2011 | Eli Walker | Wales | 28-Mar-1992 | 19(213) |
| 21-Apr-2018 | Dylan Moss | Wales | 08-Sep-1998 | 19(225) |
| 02-Dec-2022 | Tom Florence | Wales | 19-Mar-2003 | 19(258) |
| 12-Mar-2021 | Garyn Phillips | Wales | 14-May-2001 | 19(302) |
| 13-Feb-2011 | Hanno Dirksen | South Africa | 31-Mar-1991 | 19(319) |
| 13-Feb-2015 | Rory Thornton | Wales | 16-Mar-1995 | 19(334) |
| 21-Feb-2015 | Dafydd Howells | Wales | 22-Mar-1995 | 19(336) |
| 14-Sep-2018 | Morgan Morris | Wales | 28-Aug-1998 | 20(17) |
| 24-Feb-2018 | Reuben Morgan-Williams | Wales | 02-Feb-1998 | 20(22) |
| 01-May-2014 | Nicky Smith | Wales | 07-Apr-1994 | 20(24) |
| 02-Mar-2012 | Ross Jones | Wales | 11-Jan-1992 | 20(51) |
| 29-Nov-2013 | Sam Davies | Wales | 06-Oct-1993 | 20(54) |
| 01-Apr-2016 | Adam Beard | Wales | 07-Jan-1996 | 20(85) |
| 02-Nov-2020 | Josh Thomas | Wales | 30-Jun-2000 | 20(125) |
| 13-Feb-2015 | Scott Otten | Wales | 19-Jul-1994 | 20(209) |
| 29-Jan-2022 | Harri Deaves | Wales | 13-Jun-2001 | 20(230) |
| 23-Feb-2014 | Dan Suter | Wales | 29-Jun-1993 | 20(239) |
| 08-Feb-2013 | Tom Habberfield | Wales | 19-May-1992 | 20(265) |
| 15-May-2009 | David Evans | Wales | 19-Aug-1988 | 20(269) |
| 21-Apr-2018 | Matthew Aubrey | Wales | 04-Jun-1997 | 20(321) |
| 30-Oct-2009 | Ryan Bevington | Wales | 09-Dec-1988 | 20(325) |
| 11-Sep-2007 | Ben Lewis | Wales | 26-Aug-1986 | 21(16) |
| 31-Aug-2007 | Aled Brew | Wales | 09-Aug-1986 | 21(22) |
| 31-Aug-2007 | Mike Collins | Wales | 21-Jul-1986 | 21(41) |
| 24-Oct-2010 | Justin Tipuric | Wales | 06-Aug-1989 | 21(79) |
| 14-Sep-2012 | Tom Grabham | Wales | 20-Jun-1991 | 21(87) |
| 10-Feb-2012 | Sam Lewis | Wales | 11-Nov-1990 | 21(91) |
| 31-Oct-2014 | Ieuan Jones | Wales | 22-Jul-1993 | 21(101) |
| 05-Oct-2007 | Martin Roberts | Wales | 06-Jun-1986 | 21(121) |
| 26-Nov-2011 | James King | Wales | 24-Jul-1990 | 21(125) |
| 10-Feb-2017 | Luke Price | Wales | 26-Sep-1995 | 21(138) |
| 24-Oct-2020 | Dewi Lake | Wales | 16-May-1999 | 21(162) |
| 10-Feb-2012 | Joe Rees | Wales | 31-Aug-1990 | 21(163) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).