| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 26-Dec-2017 | Gavin Henson | Wales | 01-Feb-1982 | 35(329) |
| 23-Mar-2018 | Sarel Pretorius | South Africa | 18-Apr-1984 | 33(339) |
| 28-Apr-2018 | Zane Kirchner | South Africa | 16-Jun-1984 | 33(316) |
| 01-Dec-2017 | Juan Harris | South Africa | 22-Feb-1985 | 32(282) |
| 28-Apr-2018 | Rynard Landman | South Africa | 24-Jul-1986 | 31(278) |
| 14-Apr-2018 | Lewis Evans | Wales | 09-Jul-1987 | 30(280) |
| 23-Mar-2018 | Sam Hobbs | Wales | 13-May-1988 | 29(314) |
| 22-Sep-2017 | Thretton Palamo | United States | 22-Sep-1988 | 29(0) |
| 14-Apr-2018 | Sam Beard | New Zealand | 03-May-1990 | 27(346) |
| 28-Apr-2018 | Charlie Davies | England | 23-May-1990 | 27(340) |
| 22-Sep-2017 | Adam Hughes | Wales | 14-Feb-1990 | 27(220) |
| 27-Oct-2017 | James Thomas | Wales | 17-Aug-1990 | 27(71) |
| 18-Feb-2018 | Adam Warren | Wales | 07-Mar-1991 | 26(349) |
| 05-Jan-2018 | Carl Meyer | South Africa | 27-May-1991 | 26(224) |
| 02-Mar-2018 | Dorian Jones | Wales | 27-Sep-1991 | 26(157) |
| 14-Apr-2018 | Lloyd Fairbrother | England | 13-Nov-1991 | 26(153) |
| 14-Apr-2018 | Cory Hill | Wales | 10-Feb-1992 | 26(64) |
| 05-Jan-2018 | Patrick Howard | South Africa | 27-Mar-1992 | 25(284) |
| 07-Apr-2018 | Gerard Ellis | England | 25-Oct-1992 | 25(164) |
| 28-Apr-2018 | Thomas Davies | Wales | 10-Mar-1993 | 25(49) |
| 01-Dec-2017 | Matthew Screech | Wales | 24-Oct-1992 | 25(38) |
| 28-Apr-2018 | Dan Suter | Wales | 29-Jun-1993 | 24(303) |
| 28-Apr-2018 | James Benjamin | Wales | 21-Feb-1994 | 24(66) |
| 28-Apr-2018 | Elliott Dee | Wales | 07-Mar-1994 | 24(52) |
| 31-Dec-2017 | Ben Roach | Wales | 30-Jan-1994 | 23(335) |
| 28-Apr-2018 | Hallam Amos | Wales | 24-Sep-1994 | 23(216) |
| 28-Apr-2018 | Ashton Hewitt | Wales | 20-Nov-1994 | 23(159) |
| 05-Jan-2018 | Nicky Thomas | Wales | 26-Aug-1994 | 23(132) |
| 26-Dec-2017 | James Sheekey | Wales | 10-Sep-1994 | 23(107) |
| 14-Apr-2018 | Luke Garrett | Wales | 11-Jan-1995 | 23(93) |
| 02-Mar-2018 | Jack Dixon | Wales | 13-Dec-1994 | 23(79) |
| 01-Dec-2017 | Angus O'Brien | Wales | 17-Sep-1994 | 23(75) |
| 01-Dec-2017 | Ollie Griffiths | Wales | 23-Mar-1995 | 22(254) |
| 28-Apr-2018 | Joseph Davies | Wales | 13-Nov-1995 | 22(167) |
| 09-Feb-2018 | Tyler Morgan | Wales | 11-Sep-1995 | 22(152) |
| 22-Sep-2017 | Robson Blake | Wales | 15-May-1995 | 22(131) |
| 02-Mar-2018 | Liam Belcher | Wales | 28-Apr-1996 | 21(308) |
| 28-Apr-2018 | Harrison Keddie | Wales | 10-Jul-1996 | 21(292) |
| 02-Mar-2018 | Leon Brown | Wales | 26-Oct-1996 | 21(127) |
| 28-Apr-2018 | Arwel Robson | Wales | 21-Feb-1997 | 21(66) |
| 28-Apr-2018 | Connor Edwards | Wales | 28-Jun-1997 | 20(304) |
| 06-Oct-2017 | George Gasson | Wales | 15-Jan-1997 | 20(264) |
| 28-Apr-2018 | Aaron Wainwright | Wales | 25-Sep-1997 | 20(215) |
| 28-Apr-2018 | Jared Rosser | Wales | 31-Dec-1997 | 20(118) |
| 07-Apr-2018 | Owain Leonard | Wales | 24-Dec-1997 | 20(104) |
| 24-Nov-2017 | Ellis Shipp | Wales | 14-Aug-1997 | 20(102) |
| 03-Nov-2017 | Will Talbot-Davies | Wales | 11-Sep-1997 | 20(53) |
| 22-Sep-2017 | Max Williams | Wales | 02-Apr-1998 | 19(173) |
| 02-Mar-2018 | Dan Babos | Wales | 17-Oct-1998 | 19(136) |
| 05-Jan-2018 | Taine Basham | Wales | 02-Nov-1999 | 18(65) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).