| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 01-Sep-2012 | Billy Vunipola | England | 03-Nov-1992 | 19(302) |
| 22-Sep-2012 | Thomas Bell | England | 11-Nov-1992 | 19(315) |
| 01-Sep-2012 | Elliot Daly | England | 08-Oct-1992 | 19(328) |
| 01-Sep-2012 | Christian Wade | England | 15-May-1991 | 21(110) |
| 01-Sep-2012 | Joe Launchberry | England | 12-Apr-1991 | 21(143) |
| 07-Oct-2012 | Simon McIntyre | England | 19-Mar-1991 | 21(203) |
| 24-Feb-2013 | Will Taylor | Wales | 04-Mar-1991 | 21(358) |
| 04-Nov-2012 | Charlie Davies | England | 23-May-1990 | 22(166) |
| 25-Nov-2012 | Philip Swainston | England | 12-Dec-1989 | 22(349) |
| 09-Feb-2013 | Sam Jones | England | 12-Sep-1989 | 23(150) |
| 01-Sep-2012 | Joe Simpson | England | 05-Jul-1988 | 24(58) |
| 25-Nov-2012 | James Cannon | England | 24-Sep-1988 | 24(62) |
| 01-Mar-2013 | Charlie Hayter | England | 10-Dec-1988 | 24(81) |
| 01-Sep-2012 | Tom Lindsay | England | 18-Nov-1987 | 24(288) |
| 15-Sep-2012 | Ashley Johnson | South Africa | 16-May-1986 | 26(123) |
| 01-Sep-2012 | Tom Varndell | England | 16-Aug-1985 | 27(16) |
| 01-Sep-2012 | James Haskell | England | 02-Apr-1985 | 27(152) |
| 28-Oct-2012 | Lee Thomas | Wales | 02-Jun-1984 | 28(148) |
| 01-Sep-2012 | Jonathan Poff | New Zealand | 27-Sep-1983 | 28(340) |
| 28-Sep-2012 | James Bailey | England | 05-Aug-1983 | 29(55) |
| 08-Sep-2012 | Chris Bell | England | 07-Jul-1983 | 29(64) |
| 01-Sep-2012 | Fabio Staibano | Italy | 20-Apr-1983 | 29(135) |
| 22-Sep-2012 | Sakaria Taulafo | Samoa | 29-Jan-1983 | 29(237) |
| 15-Sep-2012 | T Rhys Thomas | Wales | 23-Apr-1982 | 30(146) |
| 01-Sep-2012 | Nicky Robinson | Wales | 03-Jan-1982 | 30(242) |
| 01-Sep-2012 | Andrea Masi | Italy | 30-Mar-1981 | 31(155) |
| 01-Sep-2012 | Hugo Southwell | Scotland | 14-May-1980 | 32(110) |
| 01-Sep-2012 | Marco Wentzel | South Africa | 06-May-1979 | 33(119) |
| 01-Sep-2012 | Tim Payne | England | 29-Apr-1979 | 33(126) |
| 08-Sep-2012 | Tom Palmer | England | 27-Mar-1979 | 33(166) |
| 15-Sep-2012 | Stephen Jones | Wales | 08-Dec-1977 | 34(282) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).