| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 15-Oct-2011 |  Rhys Patchell | Cardiff Blues | Wales | 17-May-1993 | 18(151) |
| 05-Feb-2012 |  Jack Arnott | Exeter Chiefs | England | 02-Sep-1993 | 18(156) |
| 15-Oct-2011 | Ellis Jenkins | Cardiff Blues | Wales | 29-Apr-1993 | 18(169) |
| 15-Oct-2011 | Jack Nowell | Exeter Chiefs | England | 11-Apr-1993 | 18(187) |
| 27-Jan-2012 |  Ieuan Jones | Gwent Dragons | Wales | 22-Jul-1993 | 18(189) |
| 28-Jan-2012 | Sam Hill | Exeter Chiefs | England | 14-Jul-1993 | 18(198) |
| 15-Oct-2011 |  George Ford | Leicester Tigers | England | 16-Mar-1993 | 18(213) |
| 15-Oct-2011 | Cory Allen | Cardiff Blues | Wales | 11-Feb-1993 | 18(246) |
| 28-Jan-2012 |  Rhodri Williams | Scarlets | Wales | 05-May-1993 | 18(268) |
| 04-Feb-2012 |  Nathan Morris | London Wasps | England | 03-Mar-1993 | 18(338) |
| 28-Jan-2012 |  David Sisi | London Irish | Italy | 05-Feb-1993 | 18(357) |
| 15-Oct-2011 | Elliot Daly | London Wasps | England | 08-Oct-1992 | 19(6) |
| 04-Feb-2012 | Will Robinson | London Wasps | England | 09-Jan-1993 | 19(25) |
| 15-Oct-2011 |  Jamie Elliott | Northampton Saints | England | 31-Aug-1992 | 19(44) |
| 21-Oct-2011 |  Will Addison | Sale Sharks | England | 20-Aug-1992 | 19(61) |
| 28-Jan-2012 | Lewis Jones | Cardiff Blues | Wales | 24-Nov-1992 | 19(64) |
| 15-Oct-2011 | Jonah Holmes | London Wasps | Wales | 24-Jul-1992 | 19(82) |
| 28-Jan-2012 | Billy Vunipola | London Wasps | England | 03-Nov-1992 | 19(85) |
| 15-Oct-2011 |  Ben Spencer | Saracens | England | 13-Jul-1992 | 19(93) |
| 15-Oct-2011 | Will Spencer | Bath | England | 30-May-1992 | 19(137) |
| 15-Oct-2011 | Tom Habberfield | Ospreys | Wales | 19-May-1992 | 19(148) |
| 15-Oct-2011 | Thomas Young | Cardiff Blues | Wales | 18-May-1992 | 19(149) |
| 04-Feb-2012 |  Ian Clark | Gloucester | England | 01-Sep-1992 | 19(155) |
| 15-Oct-2011 |  Sam Twomey | Harlequins | England | 09-May-1992 | 19(158) |
| 15-Oct-2011 | Matthew Morgan | Ospreys | Wales | 23-Apr-1992 | 19(174) |
| 29-Jan-2012 |  Joel Hodgson | Newcastle Falcons | England | 01-Aug-1992 | 19(180) |
| 15-Oct-2011 |  Matt Kvesic | Worcester Warriors | England | 14-Apr-1992 | 19(183) |
| 15-Oct-2011 | Ben Nutley | Northampton Saints | England | 07-Apr-1992 | 19(190) |
| 15-Oct-2011 | Eli Walker | Ospreys | Wales | 28-Mar-1992 | 19(200) |
| 15-Oct-2011 | Ben Ransom | Saracens | England | 16-Feb-1992 | 19(241) |
| 28-Jan-2012 | Ryan Mills | Gloucester | England | 30-May-1992 | 19(242) |
| 15-Oct-2011 | Tom Heathcote | Bath | Scotland | 11-Feb-1992 | 19(246) |
| 15-Oct-2011 | Cory Hill | Cardiff Blues | Wales | 10-Feb-1992 | 19(247) |
| 15-Oct-2011 | Kirby Myhill | Scarlets | Wales | 05-Feb-1992 | 19(252) |
| 15-Oct-2011 | Luke Hamilton | Cardiff Blues | Scotland | 07-Jan-1992 | 19(281) |
| 28-Jan-2012 | Marland Yarde | London Irish | England | 20-Apr-1992 | 19(282) |
| 15-Oct-2011 | Rhodri Jones | Scarlets | Wales | 23-Dec-1991 | 19(296) |
| 15-Oct-2011 | Dale Ford | Scarlets | Wales | 16-Dec-1991 | 19(303) |
| 15-Oct-2011 | Guy Armitage | London Irish | England | 29-Nov-1991 | 19(320) |
| 15-Oct-2011 | Olly Woodburn | Bath | England | 18-Nov-1991 | 19(331) |
| 15-Oct-2011 | Michael Haywood | Northampton Saints | England | 10-Nov-1991 | 19(339) |
| 21-Oct-2011 | Thomas Taylor | Sale Sharks | England | 11-Nov-1991 | 19(344) |
| 15-Oct-2011 | Lewis Robling | Gwent Dragons | Wales | 05-Oct-1991 | 20(10) |
| 15-Oct-2011 | Owen Williams | Cardiff Blues | Wales | 02-Oct-1991 | 20(13) |
| 27-Jan-2012 | Ross Jones | Ospreys | Wales | 11-Jan-1992 | 20(16) |
| 15-Oct-2011 | Alex Lewington | Leicester Tigers | England | 20-Sep-1991 | 20(25) |
| 28-Jan-2012 | Macauley Cook | Cardiff Blues | Wales | 31-Dec-1991 | 20(28) |
| 23-Oct-2011 | Owen Farrell | Saracens | England | 21-Sep-1991 | 20(32) |
| 27-Jan-2012 | Sam Parry | Gwent Dragons | Wales | 17-Dec-1991 | 20(41) |
| 15-Oct-2011 | Charles Matthews | Harlequins | England | 23-Jul-1991 | 20(84) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).