| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 22-Jan-2012 | Eli Walker | Wales | 28-Mar-1992 | 19(299) |
| 12-Nov-2011 | Ashley Beck | Wales | 15-Apr-1990 | 21(211) |
| 12-Nov-2011 | Daniel Biggar | Wales | 16-Oct-1989 | 22(27) |
| 12-Nov-2011 | Justin Tipuric | Wales | 06-Aug-1989 | 22(98) |
| 10-Dec-2011 | Rhys Webb | Wales | 09-Dec-1988 | 23(0) |
| 19-Nov-2011 | Aaron Jarvis | Wales | 20-May-1986 | 25(183) |
| 10-Dec-2011 | Tom Smith | Wales | 14-Dec-1985 | 25(361) |
| 12-Nov-2011 | Alan Wyn Jones | Wales | 19-Sep-1985 | 26(54) |
| 12-Nov-2011 | Andrew Bishop | Wales | 07-Aug-1985 | 26(97) |
| 12-Nov-2011 | Ian Evans | Wales | 04-Oct-1984 | 27(38) |
| 12-Nov-2011 | Richard Fussell | Wales | 12-Apr-1984 | 27(213) |
| 12-Nov-2011 | Tommy Bowe | Ireland | 22-Feb-1984 | 27(263) |
| 19-Nov-2011 | Richard Hibbard | Wales | 13-Dec-1983 | 27(341) |
| 12-Nov-2011 | Huw Bennett | Wales | 11-Jun-1983 | 28(154) |
| 12-Nov-2011 | Jonathan Thomas | Wales | 27-Dec-1982 | 28(320) |
| 12-Nov-2011 | Kahn Fotuali'i | Samoa | 22-May-1982 | 29(174) |
| 16-Dec-2011 | Paul James | Wales | 13-May-1982 | 29(217) |
| 12-Nov-2011 | Adam Jones | Wales | 08-Mar-1981 | 30(249) |
| 19-Nov-2011 | Ryan Jones | Wales | 13-Mar-1981 | 30(251) |
| 13-Jan-2012 | Barry Davies | Wales | 05-Mar-1981 | 30(314) |
| 12-Nov-2011 | George Stowers | Fiji | 14-Feb-1979 | 32(271) |
| 10-Dec-2011 | Joe Bearman | England | 28-Feb-1979 | 32(285) |
| 12-Nov-2011 | Duncan Jones | Wales | 18-Sep-1978 | 33(55) |
| 12-Nov-2011 | Shane Williams | Wales | 26-Feb-1977 | 34(259) |
| 16-Dec-2011 | Ian Gough | Wales | 10-Nov-1976 | 35(36) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).