| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 13-Jan-2019 | Matthew Rees | Wales | 09-Dec-1980 | 38(35) |
| 19-Jan-2019 | Nick Williams | New Zealand | 02-Dec-1983 | 35(49) |
| 19-Jan-2019 | Josh Turnbull | Wales | 12-Mar-1984 | 34(313) |
| 15-Dec-2018 | Samu Manoa | United States | 05-Mar-1985 | 33(285) |
| 19-Jan-2019 | Reynold Lee-lo | Samoa | 28-Feb-1986 | 32(325) |
| 15-Dec-2018 | Rhys Gill | Wales | 30-Oct-1986 | 32(46) |
| 13-Jan-2019 | George Earle | South Africa | 09-Jan-1987 | 32(4) |
| 13-Jan-2019 | Tom James | Wales | 17-Apr-1987 | 31(271) |
| 15-Dec-2018 | Blaine Scully | United States | 29-Feb-1988 | 30(290) |
| 19-Jan-2019 | Dimitri Arhip | Moldova | 12-Nov-1988 | 30(68) |
| 09-Dec-2018 | Jason Harries | Wales | 14-Feb-1989 | 29(298) |
| 15-Dec-2018 | Kristian Dacey | Wales | 25-Jul-1989 | 29(143) |
| 15-Dec-2018 | Scott Andrews | Wales | 01-Aug-1989 | 29(136) |
| 13-Jan-2019 | Lloyd Williams | Wales | 30-Nov-1989 | 29(44) |
| 13-Jan-2019 | Willis Halaholo | Wales | 06-Jul-1990 | 28(191) |
| 13-Jan-2019 | Dan Fish | Wales | 19-Dec-1990 | 28(25) |
| 19-Jan-2019 | Josh Navidi | Wales | 30-Dec-1990 | 28(20) |
| 19-Jan-2019 | Gareth Anscombe | Wales | 10-May-1991 | 27(254) |
| 13-Jan-2019 | Steve Shingler | Wales | 20-Jun-1991 | 27(207) |
| 09-Dec-2018 | Oliver Robinson | England | 21-Jul-1991 | 27(141) |
| 19-Jan-2019 | Macauley Cook | Wales | 31-Dec-1991 | 27(19) |
| 09-Dec-2018 | Kirby Myhill | Wales | 05-Feb-1992 | 26(308) |
| 09-Dec-2018 | Matthew Morgan | Wales | 23-Apr-1992 | 26(230) |
| 15-Dec-2018 | Lewis Jones | Wales | 24-Nov-1992 | 26(21) |
| 13-Jan-2019 | Bradley Thyer | Wales | 07-Feb-1993 | 25(340) |
| 21-Oct-2018 | Ellis Jenkins | Wales | 29-Apr-1993 | 25(175) |
| 19-Jan-2019 | Aled Summerhill | Wales | 02-Nov-1994 | 24(78) |
| 19-Jan-2019 | Tomos Williams | Wales | 01-Jan-1995 | 24(18) |
| 19-Jan-2019 | Rory Thornton | Wales | 16-Mar-1995 | 23(309) |
| 15-Dec-2018 | Garyn Smith | Wales | 12-Jul-1995 | 23(156) |
| 13-Jan-2019 | Dillon Lewis | Wales | 04-Jan-1996 | 23(9) |
| 19-Jan-2019 | Liam Belcher | Wales | 28-Apr-1996 | 22(266) |
| 13-Jan-2019 | Seb Davies | Wales | 15-May-1996 | 22(243) |
| 19-Jan-2019 | Jarrod Evans | Wales | 25-Jul-1996 | 22(178) |
| 19-Jan-2019 | Harri Millard | Wales | 17-Aug-1996 | 22(155) |
| 13-Jan-2019 | Shane Lewis-Hughes | Wales | 20-Sep-1997 | 21(115) |
| 19-Jan-2019 | Owen Lane | Wales | 20-Dec-1997 | 21(30) |
| 19-Jan-2019 | Rhys Carre | Wales | 08-Feb-1998 | 20(345) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).