| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 27-Jan-2018 | Rio Dyer | Wales | 21-Dec-1999 | 18(38) |
| 17-Nov-2017 | Josh Reynolds | Wales | 01-Dec-1998 | 18(352) |
| 17-Nov-2017 | Dan Babos | Wales | 17-Oct-1998 | 19(31) |
| 11-Nov-2017 | Joe Goodchild | Wales | 12-Apr-1998 | 19(213) |
| 27-Jan-2018 | Max Williams | Wales | 02-Apr-1998 | 19(300) |
| 11-Nov-2017 | Jared Rosser | Wales | 31-Dec-1997 | 19(315) |
| 11-Nov-2017 | Aaron Wainwright | Wales | 25-Sep-1997 | 20(47) |
| 27-Jan-2018 | Connor Edwards | Wales | 28-Jun-1997 | 20(213) |
| 11-Nov-2017 | Arwel Robson | Wales | 21-Feb-1997 | 20(263) |
| 11-Nov-2017 | Liam Belcher | Wales | 28-Apr-1996 | 21(197) |
| 27-Jan-2018 | Harrison Keddie | Wales | 10-Jul-1996 | 21(201) |
| 11-Nov-2017 | Joe Thomas | Wales | 21-Feb-1996 | 21(264) |
| 17-Nov-2017 | Joseph Davies | Wales | 13-Nov-1995 | 22(5) |
| 17-Nov-2017 | Ollie Griffiths | Wales | 23-Mar-1995 | 22(240) |
| 27-Jan-2018 | Robson Blake | Wales | 15-May-1995 | 22(258) |
| 11-Nov-2017 | Luke Garrett | Wales | 11-Jan-1995 | 22(305) |
| 11-Nov-2017 | Ashton Hewitt | Wales | 20-Nov-1994 | 22(357) |
| 17-Nov-2017 | Angus O'Brien | Wales | 17-Sep-1994 | 23(61) |
| 27-Jan-2018 | James Sheekey | Wales | 10-Sep-1994 | 23(139) |
| 27-Jan-2018 | Nicky Thomas | Wales | 26-Aug-1994 | 23(154) |
| 11-Nov-2017 | Ben Roach | Wales | 30-Jan-1994 | 23(285) |
| 02-Feb-2018 | James Benjamin | Wales | 21-Feb-1994 | 23(346) |
| 11-Nov-2017 | Matthew Screech | Wales | 24-Oct-1992 | 25(18) |
| 17-Nov-2017 | Gerard Ellis | England | 25-Oct-1992 | 25(23) |
| 11-Nov-2017 | Patrick Howard | South Africa | 27-Mar-1992 | 25(229) |
| 11-Nov-2017 | Lloyd Fairbrother | England | 13-Nov-1991 | 25(364) |
| 27-Jan-2018 | Carl Meyer | South Africa | 27-May-1991 | 26(246) |
| 17-Nov-2017 | Adam Warren | Wales | 07-Mar-1991 | 26(256) |
| 11-Nov-2017 | Charlie Davies | England | 23-May-1990 | 27(172) |
| 27-Jan-2018 | Sam Beard | New Zealand | 03-May-1990 | 27(269) |
| 02-Feb-2018 | Rhys Buckley | Wales | 18-Jun-1989 | 28(229) |
| 27-Jan-2018 | Sam Hobbs | Wales | 13-May-1988 | 29(259) |
| 11-Nov-2017 | Rynard Landman | South Africa | 24-Jul-1986 | 31(110) |
| 27-Jan-2018 | Zane Kirchner | South Africa | 16-Jun-1984 | 33(225) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).