| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 06-Feb-2021 |  Ethan Staddon | Bath | England | 02-Jul-2002 | 18(220) |
| 20-Mar-2021 |  Fin Smith | Worcester Warriors | England | 11-May-2002 | 18(314) |
| 27-Dec-2020 |  Charlie Atkinson | London Wasps | England | 07-Oct-2001 | 19(81) |
| 26-Mar-2021 |  Dan John | Exeter Chiefs | Wales | 04-Oct-2001 | 19(173) |
| 27-Mar-2021 | Orlando Bailey | Bath | England | 29-Sep-2001 | 19(179) |
| 03-Jan-2021 |  George Martin | Leicester Tigers | England | 18-Jun-2001 | 19(199) |
| 27-Mar-2021 |  Rafi Quirke | Sale Sharks | England | 18-Aug-2001 | 19(221) |
| 02-Jan-2021 |  Stephen Varney | Gloucester | Italy | 16-May-2001 | 19(231) |
| 28-Nov-2020 |  Ioan Lloyd | Bristol Bears | Wales | 05-Apr-2001 | 19(237) |
| 20-Mar-2021 | Ethan Hunt | Gloucester | England | 15-Jul-2001 | 19(248) |
| 27-Feb-2021 | Daniel Kelly | Leicester Tigers | England | 16-Jun-2001 | 19(256) |
| 13-Feb-2021 | Jack van Poortvliet | Leicester Tigers | England | 15-May-2001 | 19(274) |
| 08-May-2021 |  Phil Cokanasiga | London Irish | England | 31-Jul-2001 | 19(281) |
| 26-Dec-2020 | Louis Rees-Zammitt | Gloucester | Wales | 02-Feb-2001 | 19(327) |
| 06-Feb-2021 |  Thomas Freeman | Northampton Saints | England | 05-Mar-2001 | 19(338) |
| 21-Nov-2020 | Freddie Steward | Leicester Tigers | England | 05-Dec-2000 | 19(351) |
| 02-Jan-2021 | Tom Roebuck | Sale Sharks | England | 07-Jan-2001 | 19(360) |
| 20-Mar-2021 | Jack Clement | Gloucester | England | 27-Feb-2001 | 20(21) |
| 26-Dec-2020 |  Louis Lynagh | Harlequins | Italy | 03-Dec-2000 | 20(23) |
| 28-Nov-2020 | Alfie Barbeary | London Wasps | England | 05-Oct-2000 | 20(54) |
| 29-Jan-2021 | Gabriel Hamer-Webb | Bath | England | 07-Nov-2000 | 20(83) |
| 21-Nov-2020 | Ben Donnell | London Irish | England | 02-Aug-2000 | 20(111) |
| 06-Mar-2021 | George Barton | Gloucester | England | 07-Nov-2000 | 20(119) |
| 02-Jan-2021 | Bevan Rodd | Sale Sharks | England | 26-Aug-2000 | 20(129) |
| 27-Feb-2021 | Oliver Chessum | Leicester Tigers | England | 06-Sep-2000 | 20(174) |
| 24-Apr-2021 |  Chidera Obonna | Newcastle Falcons | England | 18-Oct-2000 | 20(188) |
| 27-Mar-2021 | Chunya Munga | London Irish | England | 02-Sep-2000 | 20(206) |
| 12-Feb-2021 | Connor Doherty | Sale Sharks | England | 18-Jul-2000 | 20(209) |
| 05-Jun-2021 | Noah Heward | Worcester Warriors | England | 11-Oct-2000 | 20(237) |
| 28-Nov-2020 | Hugh Tizard | Harlequins | England | 31-Mar-2000 | 20(242) |
| 29-May-2021 | Max Ojomoh | Bath | England | 13-Sep-2000 | 20(258) |
| 13-Feb-2021 | Josh Hodge | Exeter Chiefs | England | 23-May-2000 | 20(266) |
| 06-Dec-2020 | Izaiha Moore-Aiono | London Irish | England | 03-Mar-2000 | 20(278) |
| 15-May-2021 | Harri Doel | Worcester Warriors | Wales | 02-Aug-2000 | 20(286) |
| 06-Feb-2021 | Ollie Sleightholme | Northampton Saints | England | 13-Apr-2000 | 20(299) |
| 13-Mar-2021 | Jacob Morris | Gloucester | England | 12-May-2000 | 20(305) |
| 26-Mar-2021 | Rusi Tuima | Exeter Chiefs | England | 21-May-2000 | 20(309) |
| 20-Feb-2021 | Ewan Ashman | Sale Sharks | Scotland | 03-Apr-2000 | 20(323) |
| 02-Jan-2021 | Richard Capstick | Exeter Chiefs | England | 13-Feb-2000 | 20(324) |
| 21-Nov-2020 | Cameron Redpath | Bath | Scotland | 23-Dec-1999 | 20(334) |
| 21-Nov-2020 | Thomas de Glanville | Bath | England | 10-Dec-1999 | 20(347) |
| 05-Mar-2021 | Robert Farrar | Newcastle Falcons | England | 16-Mar-2000 | 20(354) |
| 09-Jan-2021 | Jack Walsh | Exeter Chiefs | Australia | 11-Jan-2000 | 20(364) |
| 27-Feb-2021 | Cameron Henderson | Leicester Tigers | Scotland | 13-Jan-2000 | 21(46) |
| 01-Jan-2021 | George Kloska | Bristol Bears | England | 16-Nov-1999 | 21(47) |
| 26-Dec-2020 | Will Capon | Bristol Bears | England | 12-Oct-1999 | 21(76) |
| 05-Mar-2021 | Mateo Carreras | Newcastle Falcons | Argentina | 17-Dec-1999 | 21(79) |
| 21-Nov-2020 | Oliver Morris | Worcester Warriors | England | 19-Aug-1999 | 21(95) |
| 26-Dec-2020 | Ollie Lawrence | Worcester Warriors | England | 18-Sep-1999 | 21(100) |
| 27-Feb-2021 | Jack Kenningham | Harlequins | England | 19-Nov-1999 | 21(101) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).