| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 01-Feb-2008 |  Daniel Biggar | Wales U20 | Wales | 16-Oct-1989 | 18(108) |
| 08-Mar-2008 | Giacomo Bernini | Italy U20 | Italy | 22-Oct-1989 | 18(138) |
| 01-Feb-2008 | Ben Youngs | England U20 | England | 05-Sep-1989 | 18(149) |
| 14-Mar-2008 | Graham Kitchener | England U20 | England | 29-Sep-1989 | 18(167) |
| 01-Feb-2008 | Justin Tipuric | Wales U20 | Wales | 06-Aug-1989 | 18(179) |
| 08-Feb-2008 | Scott Andrews | Wales U20 | Wales | 01-Aug-1989 | 18(191) |
| 07-Mar-2008 | Robert Miller | England U20 | England | 05-Aug-1989 | 18(215) |
| 01-Feb-2008 | David Kearney | Ireland U20 | Ireland | 19-Jun-1989 | 18(227) |
| 01-Feb-2008 | Greig Tonks | England U20 | Scotland | 20-May-1989 | 18(257) |
| 07-Mar-2008 | Fraser Brown | Scotland U20 | Scotland | 20-Jun-1989 | 18(261) |
| 01-Feb-2008 | Eamonn Sheridan | Ireland U20 | Ireland | 14-May-1989 | 18(263) |
| 01-Feb-2008 | Luke Eves | England U20 | England | 11-Apr-1989 | 18(296) |
| 09-Feb-2008 | Sebastian Stegmann | England U20 | England | 12-Apr-1989 | 18(303) |
| 08-Mar-2008 | Guilaume Namy | France U20 | France | 03-Apr-1989 | 18(340) |
| 14-Mar-2008 | Ian Madigan | Ireland U20 | Ireland | 21-Mar-1989 | 18(359) |
| 08-Mar-2008 | Benjamin Fall | France U20 | France | 03-Mar-1989 | 19(5) |
| 01-Feb-2008 | Leigh Halfpenny | Wales U20 | Wales | 22-Dec-1988 | 19(40) |
| 08-Feb-2008 | Haydn Pugh | Wales U20 | Wales | 29-Dec-1988 | 19(40) |
| 01-Feb-2008 | Chris Cochrane | Ireland U20 | Ireland | 18-Dec-1988 | 19(44) |
| 01-Feb-2008 | James Murray | Scotland U20 | Scotland | 16-Dec-1988 | 19(46) |
| 01-Feb-2008 | Laurent Thuery | France U20 | France | 15-Dec-1988 | 19(47) |
| 01-Feb-2008 | Yohann Durquet | France U20 | France | 11-Dec-1988 | 19(51) |
| 01-Feb-2008 | Ryan Bevington | Wales U20 | Wales | 09-Dec-1988 | 19(53) |
| 01-Feb-2008 | Yohan Vivalda | France U20 | France | 09-Dec-1988 | 19(53) |
| 08-Feb-2008 | Arthur Chollon | France U20 | France | 15-Dec-1988 | 19(54) |
| 01-Feb-2008 | Josh Brown | Scotland U20 | Scotland | 06-Dec-1988 | 19(56) |
| 01-Feb-2008 | Andrea De Marchi | Italy U20 | Italy | 19-Nov-1988 | 19(73) |
| 01-Feb-2008 | Daniel Evans | Wales U20 | Wales | 15-Nov-1988 | 19(77) |
| 01-Feb-2008 | Simone Favaro | Italy U20 | Italy | 07-Nov-1988 | 19(85) |
| 01-Feb-2008 | Gareth Owen | Wales U20 | Wales | 05-Nov-1988 | 19(87) |
| 08-Feb-2008 | Raphael Lakafia | France U20 | France | 28-Oct-1988 | 19(102) |
| 08-Feb-2008 | Vincent Mehn | France U20 | France | 27-Oct-1988 | 19(103) |
| 01-Feb-2008 | Nic Cudd | Wales U20 | Wales | 12-Oct-1988 | 19(111) |
| 01-Feb-2008 | Clement Maynadier | France U20 | France | 11-Oct-1988 | 19(112) |
| 08-Mar-2008 | Morgan Parra | France U20 | France | 15-Nov-1988 | 19(113) |
| 01-Feb-2008 | Giuiseppe Sapuppo | Italy U20 | Italy | 03-Oct-1988 | 19(120) |
| 01-Feb-2008 | Mathieu Bastareaud | France U20 | France | 17-Sep-1988 | 19(136) |
| 01-Feb-2008 | Jon Fisher | England U20 | England | 15-Sep-1988 | 19(138) |
| 01-Feb-2008 | Nicolas Agnesi | France U20 | France | 09-Sep-1988 | 19(144) |
| 01-Feb-2008 | Alex Corbisiero | England U20 | England | 30-Aug-1988 | 19(154) |
| 08-Feb-2008 | Sean Scanlon | Ireland U20 | Ireland | 01-Sep-1988 | 19(159) |
| 01-Feb-2008 | Eion Sheriff | Ireland U20 | Ireland | 22-Aug-1988 | 19(162) |
| 01-Feb-2008 | Stephen McColl | Scotland U20 | Scotland | 16-Aug-1988 | 19(168) |
| 07-Mar-2008 | Jason Harris Wright | Ireland U20 | Ireland | 19-Sep-1988 | 19(169) |
| 01-Feb-2008 | Niall Morris | Ireland U20 | Ireland | 08-Aug-1988 | 19(176) |
| 14-Mar-2008 | Adam Greendale | England U20 | England | 17-Sep-1988 | 19(178) |
| 01-Feb-2008 | Joe Gray | England U20 | England | 05-Aug-1988 | 19(179) |
| 01-Feb-2008 | Jimmy Norris | Wales U20 | Wales | 25-Jul-1988 | 19(190) |
| 01-Feb-2008 | David Nolan | Ireland U20 | Ireland | 19-Jul-1988 | 19(196) |
| 01-Feb-2008 | Clement Ric | France U20 | France | 18-Jul-1988 | 19(197) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).