| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 31-Aug-2018 | Owen Lane | Wales | 20-Dec-1997 | 20(254) |
| 23-Feb-2019 | Rhys Carre | Wales | 08-Feb-1998 | 21(15) |
| 26-Jan-2019 | Shane Lewis-Hughes | Wales | 20-Sep-1997 | 21(128) |
| 23-Nov-2018 | Kieron Assiratti | Wales | 30-Jun-1997 | 21(146) |
| 31-Aug-2018 | Jarrod Evans | Wales | 25-Jul-1996 | 22(37) |
| 01-Dec-2018 | Harri Millard | Wales | 17-Aug-1996 | 22(106) |
| 31-Aug-2018 | Seb Davies | Wales | 15-May-1996 | 22(108) |
| 15-Sep-2018 | Dillon Lewis | Wales | 04-Jan-1996 | 22(255) |
| 23-Feb-2019 | Liam Belcher | Wales | 28-Apr-1996 | 22(301) |
| 15-Sep-2018 | Garyn Smith | Wales | 12-Jul-1995 | 23(65) |
| 31-Aug-2018 | Rory Thornton | Wales | 16-Mar-1995 | 23(168) |
| 15-Sep-2018 | Tomos Williams | Wales | 01-Jan-1995 | 23(257) |
| 27-Oct-2018 | Aled Summerhill | Wales | 02-Nov-1994 | 23(359) |
| 27-Oct-2018 | Ethan Lewis | Wales | 28-Mar-1994 | 24(213) |
| 31-Aug-2018 | Ellis Jenkins | Wales | 29-Apr-1993 | 25(124) |
| 31-Aug-2018 | Bradley Thyer | Wales | 07-Feb-1993 | 25(205) |
| 31-Aug-2018 | Matthew Morgan | Wales | 23-Apr-1992 | 26(130) |
| 04-Nov-2018 | Kirby Myhill | Wales | 05-Feb-1992 | 26(273) |
| 15-Sep-2018 | Oliver Robinson | England | 21-Jul-1991 | 27(56) |
| 02-Mar-2019 | Macauley Cook | Wales | 31-Dec-1991 | 27(61) |
| 15-Sep-2018 | Gareth Anscombe | Wales | 10-May-1991 | 27(128) |
| 27-Oct-2018 | Steve Shingler | Wales | 20-Jun-1991 | 27(129) |
| 04-Nov-2018 | Tom Williams | Wales | 02-Apr-1991 | 27(216) |
| 15-Sep-2018 | Josh Navidi | Wales | 30-Dec-1990 | 27(259) |
| 21-Dec-2018 | Dan Fish | Wales | 19-Dec-1990 | 28(2) |
| 31-Aug-2018 | Willis Halaholo | Wales | 06-Jul-1990 | 28(56) |
| 31-Aug-2018 | Lloyd Williams | Wales | 30-Nov-1989 | 28(274) |
| 31-Aug-2018 | Kristian Dacey | Wales | 25-Jul-1989 | 29(37) |
| 28-Sep-2018 | Scott Andrews | Wales | 01-Aug-1989 | 29(58) |
| 31-Aug-2018 | Jason Harries | Wales | 14-Feb-1989 | 29(198) |
| 31-Aug-2018 | Dimitri Arhip | Moldova | 12-Nov-1988 | 29(292) |
| 01-Dec-2018 | Blaine Scully | United States | 29-Feb-1988 | 30(276) |
| 08-Sep-2018 | George Earle | South Africa | 09-Jan-1987 | 31(242) |
| 21-Sep-2018 | Rhys Gill | Wales | 30-Oct-1986 | 31(326) |
| 31-Aug-2018 | Reynold Lee-lo | Samoa | 28-Feb-1986 | 32(184) |
| 01-Dec-2018 | Samu Manoa | United States | 05-Mar-1985 | 33(271) |
| 31-Aug-2018 | Josh Turnbull | Wales | 12-Mar-1984 | 34(172) |
| 31-Aug-2018 | Nick Williams | New Zealand | 02-Dec-1983 | 34(273) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).