| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 24-Jan-2015 | Taufa'ao Filise | Tonga | 26-May-1977 | 37(243) |
| 04-Apr-2015 | Gethin Jenkins | Wales | 17-Nov-1980 | 34(138) |
| 04-Apr-2015 | Matthew Rees | Wales | 09-Dec-1980 | 34(116) |
| 13-Dec-2014 | Adam Jones | Wales | 08-Mar-1981 | 33(280) |
| 16-Jan-2015 | Manoa Vosawai | Italy | 12-Aug-1983 | 31(157) |
| 04-Apr-2015 | Jarrad Hoeata | New Zealand | 12-Dec-1983 | 31(113) |
| 04-Apr-2015 | Josh Turnbull | Wales | 12-Mar-1984 | 31(22) |
| 04-Apr-2015 | Gavin Evans | Wales | 18-Jul-1984 | 30(260) |
| 25-Oct-2014 | Gareth Davies | Wales | 02-Mar-1984 | 30(237) |
| 24-Jan-2015 | Chris Dicomidis | Wales | 14-Sep-1985 | 29(132) |
| 24-Jan-2015 | Adam Thomas | Wales | 22-Aug-1986 | 28(155) |
| 04-Apr-2015 | Lou Reed | Wales | 10-Sep-1987 | 27(206) |
| 04-Apr-2015 | Richard Smith | Wales | 08-Nov-1987 | 27(147) |
| 24-Jan-2015 | Filo Paulo | Samoa | 06-Nov-1987 | 27(79) |
| 16-Jan-2015 | Sam Hobbs | Wales | 13-May-1988 | 26(248) |
| 16-Jan-2015 | Geraint Walsh | Wales | 19-May-1988 | 26(242) |
| 04-Apr-2015 | Sam Warburton | Wales | 05-Oct-1988 | 26(181) |
| 04-Apr-2015 | Joaquin Tuculet | Argentina | 06-Jun-1989 | 25(302) |
| 04-Apr-2015 | Scott Andrews | Wales | 01-Aug-1989 | 25(246) |
| 24-Jan-2015 | Kristian Dacey | Wales | 25-Jul-1989 | 25(183) |
| 04-Apr-2015 | Lloyd Williams | Wales | 30-Nov-1989 | 25(125) |
| 04-Apr-2015 | Alex Cuthbert | Wales | 05-Apr-1990 | 24(364) |
| 04-Apr-2015 | Dan Fish | Wales | 19-Dec-1990 | 24(106) |
| 04-Apr-2015 | Josh Navidi | Wales | 30-Dec-1990 | 24(95) |
| 04-Apr-2015 | Gareth Anscombe | Wales | 10-May-1991 | 23(329) |
| 13-Dec-2014 | Macauley Cook | Wales | 31-Dec-1991 | 22(348) |
| 24-Jan-2015 | Cory Allen | Wales | 11-Feb-1993 | 21(347) |
| 16-Jan-2015 | Ellis Jenkins | Wales | 29-Apr-1993 | 21(262) |
| 24-Jan-2015 | Rhys Patchell | Wales | 17-May-1993 | 21(252) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).