| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 08-Dec-2012 |  Jack Dixon | Gwent Dragons | Wales | 13-Dec-1994 | 17(361) |
| 13-Oct-2012 | Hallam Amos | Gwent Dragons | Wales | 24-Sep-1994 | 18(20) |
| 14-Dec-2012 | Baptiste Serin | Begles-Bordeaux | France | 20-Jun-1994 | 18(178) |
| 20-Oct-2012 |  Anthony Watson | London Irish | England | 26-Feb-1994 | 18(237) |
| 08-Dec-2012 | Giovanni Benvenuti | Mogliano Rugby | Italy | 12-Dec-1993 | 18(362) |
| 13-Oct-2012 |  Pascal Cotet | Perpignan | France | 12-Oct-1993 | 19(1) |
| 05-Apr-2013 |  Gael Fickou | Toulouse | France | 26-Mar-1994 | 19(10) |
| 13-Oct-2012 | Ollie Devoto | Bath | England | 22-Sep-1993 | 19(21) |
| 12-Oct-2012 | Filippo Guarducci | Mogliano Rugby | Italy | 25-Aug-1993 | 19(48) |
| 13-Oct-2012 |  Ben Howard | Worcester Warriors | England | 02-Jul-1993 | 19(103) |
| 08-Dec-2012 | Ieuan Jones | Gwent Dragons | Wales | 22-Jul-1993 | 19(139) |
| 12-Oct-2012 | Edoardo Padovani | Mogliano Rugby | Italy | 15-May-1993 | 19(150) |
| 08-Dec-2012 | Marco Gazzola | Mogliano Rugby | Italy | 09-Jul-1993 | 19(152) |
| 13-Oct-2012 | Leo Bastien | Agen | France | 06-May-1993 | 19(160) |
| 12-Oct-2012 | Ricardo Della Rossa | Cavalieri Prato | Italy | 14-Apr-1993 | 19(181) |
| 04-Apr-2013 |  Teddy Thomas | Biarritz | France | 18-Sep-1993 | 19(198) |
| 13-Oct-2012 | Jack Jones | Rovigo | Wales | 29-Mar-1993 | 19(198) |
| 11-Oct-2012 | Tamaz Mchedlidze | Mont de Marsan | Georgia | 17-Mar-1993 | 19(208) |
| 20-Oct-2012 | Alessio Zdrilich | Calvisano | Italy | 09-Mar-1993 | 19(225) |
| 19-Jan-2013 | Coco Pristavita | Bucuresti | Romania | 23-May-1993 | 19(241) |
| 10-Jan-2013 | Anthony Etrillard | Bayonne | France | 21-Mar-1993 | 19(295) |
| 16-Dec-2012 | Tommaso Boni | Mogliano Rugby | Italy | 15-Jan-1993 | 19(335) |
| 21-Oct-2012 |  Thomas Bell | London Wasps | England | 11-Nov-1992 | 19(344) |
| 13-Oct-2012 | Billy Vunipola | London Wasps | England | 03-Nov-1992 | 19(344) |
| 13-Oct-2012 | Jefferson Poirot | Begles-Bordeaux | France | 01-Nov-1992 | 19(346) |
| 20-Oct-2012 |  Jonathan Danty | Stade Francais | France | 07-Oct-1992 | 20(13) |
| 21-Oct-2012 | Elliot Daly | London Wasps | England | 08-Oct-1992 | 20(13) |
| 17-Jan-2013 | Tom Ecochard | Perpignan | France | 14-Dec-1992 | 20(34) |
| 05-Apr-2013 | Edwin Maka | Toulouse | Australia | 25-Feb-1993 | 20(39) |
| 11-Oct-2012 |  Ian Clark | Gloucester | England | 01-Sep-1992 | 20(40) |
| 10-Jan-2013 | Jack Moates | London Irish | England | 21-Nov-1992 | 20(50) |
| 13-Oct-2012 | Juan Cruz Guillemain | Stade Francais | Argentina | 21-Aug-1992 | 20(53) |
| 19-Jan-2013 | Tom Dunn | Bath | England | 12-Nov-1992 | 20(68) |
| 20-Oct-2012 | Jonathan Evans | Gwent Dragons | Wales | 25-Jul-1992 | 20(87) |
| 13-Oct-2012 | Louis Bataile | Agen | France | 13-Jul-1992 | 20(92) |
| 13-Oct-2012 | Matteo Ferro | Rovigo | Italy | 09-Jul-1992 | 20(96) |
| 12-Oct-2012 | Thibault Rey | Grenoble | France | 20-Jun-1992 | 20(114) |
| 13-Oct-2012 | Guido Calabrese | Rovigo | Italy | 18-Jun-1992 | 20(117) |
| 13-Oct-2012 | Will Spencer | Bath | England | 30-May-1992 | 20(136) |
| 13-Oct-2012 | Andrea de Marchi | Rovigo | Italy | 29-May-1992 | 20(137) |
| 13-Oct-2012 | Avenuisi Vasuinubu | Begles-Bordeaux | Fiji | 15-Apr-1992 | 20(181) |
| 13-Oct-2012 | Matt Kvesic | Worcester Warriors | England | 14-Apr-1992 | 20(182) |
| 13-Oct-2012 | Ini Olaeta | Bizkala Gernika RT | Spain | 12-Apr-1992 | 20(184) |
| 13-Oct-2012 | Darly Domvo | Begles-Bordeaux | France | 03-Apr-1992 | 20(193) |
| 11-Oct-2012 | Koree Britton | Gloucester | England | 04-Mar-1992 | 20(221) |
| 20-Oct-2012 | Tom Prydie | Gwent Dragons | Wales | 23-Feb-1992 | 20(240) |
| 13-Oct-2012 | Will Skuse | Bath | England | 14-Feb-1992 | 20(242) |
| 13-Dec-2012 | SImone Ragusi | Cavalieri Prato | Italy | 28-Mar-1992 | 20(260) |
| 10-Jan-2013 | Marland Yarde | London Irish | England | 20-Apr-1992 | 20(265) |
| 08-Dec-2012 | Dan Robson | Gloucester | England | 14-Mar-1992 | 20(269) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).