| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 11-Nov-2016 | Peter Edwards | Wales | 12-Aug-1980 | 36(91) |
| 27-Jan-2017 | Emyr Phillips | Wales | 22-Feb-1987 | 29(340) |
| 03-Feb-2017 | Richard Smith | Wales | 08-Nov-1987 | 29(88) |
| 03-Feb-2017 | Gethin Robinson | Wallis and Futuna | 21-Jan-1988 | 29(14) |
| 27-Jan-2017 | Gareth Owen | Wales | 05-Nov-1988 | 28(83) |
| 27-Jan-2017 | Dylan Evans | Australia | 25-Jan-1989 | 28(2) |
| 03-Feb-2017 | Morgan Allen | Wales | 12-Mar-1990 | 26(329) |
| 03-Feb-2017 | Tom Williams | Wales | 02-Apr-1991 | 25(308) |
| 03-Feb-2017 | Rynier Bernardo | South Africa | 27-Aug-1991 | 25(161) |
| 18-Nov-2016 | Aled Davies | Wales | 19-Jul-1992 | 24(122) |
| 18-Nov-2016 | Tadhg Beirne | Ireland | 01-Aug-1992 | 24(109) |
| 03-Feb-2017 | Dion Jones | Wales | 13-Nov-1993 | 23(82) |
| 27-Jan-2017 | Steffan Hughes | Wales | 17-Feb-1994 | 22(345) |
| 03-Feb-2017 | Connor Lloyd | Wales | 27-Jul-1994 | 22(192) |
| 27-Jan-2017 | Nicky Thomas | Wales | 26-Aug-1994 | 22(155) |
| 03-Feb-2017 | Javan Sebastian | Scotland | 22-Sep-1994 | 22(135) |
| 27-Jan-2017 | Jack Maynard | Wales | 17-Oct-1994 | 22(103) |
| 27-Jan-2017 | Jack Condy | Wales | 01-Dec-1994 | 22(58) |
| 03-Feb-2017 | Josh Helps | Wales | 22-Dec-1994 | 22(44) |
| 03-Feb-2017 | Morgan Griffiths | Wales | 04-Mar-1995 | 21(337) |
| 03-Feb-2017 | Dafydd Hughes | Wales | 08-Jan-1996 | 21(27) |
| 03-Feb-2017 | Tom Phillips | Wales | 12-Feb-1996 | 20(357) |
| 18-Nov-2016 | Daniel Jones | Wales | 07-Jan-1996 | 20(316) |
| 03-Feb-2017 | Shaun Evans | Wales | 14-Sep-1996 | 20(142) |
| 03-Feb-2017 | Billy McBryde | Wales | 24-Oct-1996 | 20(102) |
| 27-Jan-2017 | Josh Macleod | Wales | 27-Oct-1996 | 20(92) |
| 27-Jan-2017 | Declan Smith | Wales | 14-Sep-1997 | 19(135) |
| 18-Nov-2016 | Ioan Nicholas | Wales | 03-Apr-1998 | 18(230) |
| 11-Nov-2016 | Ryan Conbeer | Wales | 05-Feb-1999 | 17(280) |
| 27-Jan-2017 | Corey Baldwin | Wales | 13-Oct-1999 | 17(107) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).