| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 27-Dec-2005 |  Andrew Brown | Gwent Dragons | Wales | 25-Sep-1987 | 18(94) |
| 16-Oct-2005 |  Liam Davies | Scarlets | Wales | 05-Oct-1986 | 19(11) |
| 04-Nov-2005 | John Barclay | Glasgow Warriors | Scotland | 24-Sep-1986 | 19(41) |
| 04-Nov-2005 | Aled Brew | Ospreys | Wales | 09-Aug-1986 | 19(87) |
| 15-Oct-2005 |  Chris Czekaj | Cardiff Blues | Wales | 14-Dec-1985 | 19(305) |
| 16-Oct-2005 | John Beattie | Glasgow Warriors | Scotland | 21-Nov-1985 | 19(329) |
| 04-Nov-2005 |  Jeremy Manning | Munster | Ireland | 11-Sep-1985 | 20(54) |
| 04-Nov-2005 | Andrew Bishop | Ospreys | Wales | 07-Aug-1985 | 20(89) |
| 27-Jan-2006 | Alan Wyn Jones | Ospreys | Wales | 19-Sep-1985 | 20(130) |
| 27-Jan-2006 | Daffyd Hewitt | Cardiff Blues | Wales | 21-Aug-1985 | 20(159) |
| 27-Jan-2006 |  Stephen Ferris | Ulster | Ireland | 02-Aug-1985 | 20(178) |
| 07-Oct-2005 | Gary Law | Scottish Borders | Scotland | 13-Jan-1985 | 20(267) |
| 27-Jan-2006 | Dwayne Goodfield | Cardiff Blues | Wales | 17-Feb-1985 | 20(344) |
| 07-Oct-2005 | Andrew Trimble | Ulster | Ireland | 20-Oct-1984 | 20(352) |
| 28-Jan-2006 | Aled Thomas | Gwent Dragons | Wales | 02-Jan-1985 | 21(26) |
| 04-Nov-2005 | Ian Evans | Ospreys | Wales | 04-Oct-1984 | 21(31) |
| 27-Dec-2005 | Joe Merrigan | Connacht | Ireland | 17-Nov-1984 | 21(40) |
| 04-Nov-2005 | Ryan Caldwell | Ulster | Ireland | 01-Sep-1984 | 21(64) |
| 04-Nov-2005 | Lee Thomas | Cardiff Blues | Wales | 02-Jun-1984 | 21(155) |
| 07-Oct-2005 | Ross Ford | Scottish Borders | Scotland | 23-Apr-1984 | 21(167) |
| 06-Nov-2005 |  Mike Pyke | Edinburgh Rugby | Canada | 24-Mar-1984 | 21(227) |
| 07-Oct-2005 | Tommy Bowe | Ulster | Ireland | 22-Feb-1984 | 21(228) |
| 16-Oct-2005 | Jonathan Mills | Scarlets | Wales | 12-Feb-1984 | 21(247) |
| 27-Dec-2005 | Chris Davies | Gwent Dragons | Wales | 06-Apr-1984 | 21(265) |
| 28-Jan-2006 | Richard Fussell | Gwent Dragons | Wales | 12-Apr-1984 | 21(291) |
| 09-Oct-2005 |  James Heaslip | Leinster | Ireland | 15-Dec-1983 | 21(299) |
| 09-Oct-2005 | Tomas O'Leary | Munster | Ireland | 22-Oct-1983 | 21(353) |
| 07-Oct-2005 | Rob Dewey | Edinburgh Rugby | Scotland | 19-Oct-1983 | 21(354) |
| 27-Jan-2006 | Nick De Luca | Edinburgh Rugby | Scotland | 01-Feb-1984 | 21(361) |
| 27-Jan-2006 | Cai Griffiths | Ospreys | Wales | 05-Jan-1984 | 22(23) |
| 03-Mar-2006 | Richard Hibbard | Ospreys | Wales | 13-Dec-1983 | 22(81) |
| 31-Dec-2005 | John Hearty | Connacht | Ireland | 05-Sep-1983 | 22(118) |
| 27-Jan-2006 | Alasdair Dickinson | Edinburgh Rugby | Scotland | 11-Sep-1983 | 22(139) |
| 04-Nov-2005 | Brendan O'Connor | Connacht | New Zealand | 31-May-1983 | 22(158) |
| 27-Dec-2005 | Dennis Fogerty | Munster | Ireland | 16-Jul-1983 | 22(165) |
| 04-Nov-2005 | Colin Shaw | Glasgow Warriors | Scotland | 10-May-1983 | 22(179) |
| 15-Oct-2005 | John Yapp | Cardiff Blues | Wales | 09-Apr-1983 | 22(190) |
| 17-Feb-2006 | Richard Pugh | Ospreys | Wales | 10-Aug-1983 | 22(192) |
| 17-Feb-2006 | Huw Bennett | Ospreys | Wales | 11-Jun-1983 | 22(252) |
| 27-Jan-2006 | Clive Stuart-Smith | Scarlets | England | 17-May-1983 | 22(256) |
| 06-Nov-2005 | David Callum | Edinburgh Rugby | Scotland | 15-Feb-1983 | 22(265) |
| 06-Nov-2005 | Cameron Jowitt | Leinster | Ireland | 05-Feb-1983 | 22(275) |
| 23-Dec-2005 | Luke Charteris | Gwent Dragons | Wales | 09-Mar-1983 | 22(290) |
| 27-Jan-2006 | Robert Kearney | Leinster | Ireland | 26-Mar-1983 | 22(308) |
| 27-Jan-2006 | Nick MacLeod | Cardiff Blues | Wales | 22-Mar-1983 | 22(312) |
| 07-Oct-2005 | John Muldoon | Connacht | Ireland | 30-Nov-1982 | 22(312) |
| 09-Oct-2005 | Barry Murphy | Munster | Ireland | 28-Nov-1982 | 22(316) |
| 06-Nov-2005 | John Hepworth | Leinster | England | 25-Dec-1982 | 22(317) |
| 27-Dec-2005 | Dave Gannon | Connacht | Ireland | 11-Feb-1983 | 22(320) |
| 27-Jan-2006 | Alasdair Strokosch | Edinburgh Rugby | Scotland | 21-Feb-1983 | 22(341) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).