| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 16-Sep-2023 |  Harry Browne | London Scottish | England | 31-Jul-2004 | 19(46) |
| 09-Sep-2023 |  Nathan Michelow | Saracens | England | 16-May-2004 | 19(115) |
| 09-Sep-2023 |  Paddy Pearce | Bristol Bears | England | 07-May-2004 | 19(124) |
| 09-Sep-2023 |  Zach Carr | Harlequins | England | 03-May-2004 | 19(128) |
| 10-Sep-2023 |  Craig Wright | Northampton Saints | England | 31-Mar-2004 | 19(162) |
| 23-Sep-2023 |  Louie Hennessey | Bath | Wales | 28-Mar-2004 | 19(178) |
| 09-Sep-2023 | Charlie Bracken | Ampthill | England | 09-Dec-2003 | 19(274) |
| 16-Sep-2023 | Toby Thame | Northampton Saints | England | 08-Nov-2003 | 19(312) |
| 09-Sep-2023 | Sam Worsley | Bristol Bears | England | 13-Oct-2003 | 19(331) |
| 09-Sep-2023 | Tobias Elliott | Saracens | England | 16-Sep-2003 | 19(358) |
| 08-Sep-2023 | Sam Harris | Bath | England | 02-Sep-2003 | 20(6) |
| 23-Sep-2023 | Will Parry | Bath | England | 03-Sep-2003 | 20(20) |
| 09-Sep-2023 |  Gregory Fisilau | Exeter Chiefs | England | 09-Jul-2003 | 20(62) |
| 23-Sep-2023 |  Tobi Wilson | Coventry | England | 22-Jun-2003 | 20(93) |
| 09-Sep-2023 | Brynmor Bradley | Harlequins | Wales | 17-Apr-2003 | 20(145) |
| 09-Sep-2023 |  Matty Jones | Gloucester | England | 31-Mar-2003 | 20(162) |
| 16-Sep-2023 | Harri Williams | Ampthill | Wales | 05-Apr-2003 | 20(164) |
| 09-Sep-2023 |  Anerin Thomas | Sale Sharks | Wales | 24-Mar-2003 | 20(169) |
| 09-Sep-2023 | Cassius Cleaves | Harlequins | England | 15-Mar-2003 | 20(178) |
| 16-Sep-2023 | Chandler Cunningham-South | Harlequins | England | 18-Mar-2003 | 20(182) |
| 16-Sep-2023 | Chukuemeka Atuanya | Northampton Saints | England | 17-Mar-2003 | 20(183) |
| 16-Sep-2023 |  Iwan Jenkins | Cornish Pirates | England | 13-Mar-2003 | 20(187) |
| 09-Sep-2023 |  Lewis Chessum | Leicester Tigers | England | 27-Feb-2003 | 20(194) |
| 24-Sep-2023 | Kaden Pearce-Paul | Ampthill | England | 13-Mar-2003 | 20(195) |
| 09-Sep-2023 | McKenzie Duncan | Bristol Bears | England | 23-Feb-2003 | 20(198) |
| 18-Feb-2024 | Finlay Theobald-Thomas | Leicester Tigers | England | 26-Apr-2003 | 20(298) |
| 09-Sep-2023 | Francis Moore | Saracens | England | 12-Nov-2002 | 20(301) |
| 10-Sep-2023 | George Hendy | Northampton Saints | England | 15-Oct-2002 | 20(330) |
| 10-Sep-2023 | Tom Lockett | Northampton Saints | England | 06-Oct-2002 | 20(339) |
| 22-Sep-2023 | William Joseph | Harlequins | England | 15-Sep-2002 | 21(7) |
| 10-Sep-2023 | Jake Garside | Northampton Saints | England | 01-Sep-2002 | 21(9) |
| 15-Sep-2023 |  Ollie Leatherbarrow | Newcastle Falcons | Scotland | 04-Aug-2002 | 21(42) |
| 09-Sep-2023 | Alex Wardell | Saracens | England | 26-Jul-2002 | 21(45) |
| 08-Sep-2023 |  Rhys Tait | Doncaster Knights | Scotland | 02-Jul-2002 | 21(68) |
| 08-Sep-2023 | Ethan Staddon | Bath | England | 02-Jul-2002 | 21(68) |
| 09-Sep-2023 | Joe Hawkins | Exeter Chiefs | Wales | 11-Jun-2002 | 21(90) |
| 07-Oct-2023 | Sam Edwards | Leicester Tigers | England | 14-Jun-2002 | 21(115) |
| 23-Sep-2023 | Fin Smith | Northampton Saints | England | 11-May-2002 | 21(135) |
| 17-Sep-2023 | Deago Bailey | Bristol Bears | England | 01-May-2002 | 21(139) |
| 10-Sep-2023 | Tom Litchfield | Northampton Saints | England | 20-Apr-2002 | 21(143) |
| 09-Sep-2023 | Ethan Grayson | Bedford Blues | England | 15-Apr-2002 | 21(147) |
| 08-Sep-2023 | Ewan Richards | Bath | England | 05-Apr-2002 | 21(156) |
| 09-Sep-2023 | Iwan Stephens | Newcastle Falcons | Wales | 24-Mar-2002 | 21(169) |
| 09-Sep-2023 | Emeka Ilione | Leicester Tigers | England | 20-Mar-2002 | 21(173) |
| 08-Sep-2023 | John Stewart | Bath | England | 08-Mar-2002 | 21(184) |
| 23-Sep-2023 | Jordan Venter | Bedford Blues | South Africa | 17-Mar-2002 | 21(190) |
| 08-Sep-2023 | Tom Carr-Smith | Bath | England | 28-Feb-2002 | 21(192) |
| 09-Sep-2023 | Ollie Hartley | Saracens | England | 19-Feb-2002 | 21(202) |
| 16-Sep-2023 | Ross Michael Vintcent | Exeter Chiefs | Italy | 23-Feb-2002 | 21(205) |
| 09-Sep-2023 | Andrew Turner | Bristol Bears | England | 16-Feb-2002 | 21(205) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).