| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 22-Nov-2019 |  Alessandro Izekor | Calvisano | Italy | 05-Mar-2003 | 16(262) |
| 16-Nov-2019 |  Ioan Lloyd | Bristol Bears | Wales | 05-Apr-2001 | 18(225) |
| 11-Jan-2020 | Maxence Darthou | Brive | France | 27-Mar-2001 | 18(290) |
| 15-Nov-2019 | Loris Zarantonello | Agen | France | 17-Nov-2000 | 18(363) |
| 07-Dec-2019 |  Freddie Steward | Leicester Tigers | England | 05-Dec-2000 | 19(1) |
| 11-Jan-2020 | Gabriel Souverbie | Pau | France | 16-Dec-2000 | 19(25) |
| 22-Nov-2019 | Federico Mori | Calvisano | Italy | 13-Oct-2000 | 19(39) |
| 07-Dec-2019 |  Noah Heward | Worcester Warriors | England | 11-Oct-2000 | 19(56) |
| 11-Jan-2020 |  Tom Bacon | London Wasps | England | 03-Nov-2000 | 19(68) |
| 07-Dec-2019 | Andrea Zambonin | Calvisano | Italy | 03-Sep-2000 | 19(94) |
| 16-Nov-2019 |  Ben Donnell | London Irish | England | 02-Aug-2000 | 19(105) |
| 18-Jan-2020 | Gianmarco Lucchesi | Calvisano | Italy | 10-Sep-2000 | 19(129) |
| 15-Nov-2019 | Erwan Dridi | Toulon | France | 04-Jul-2000 | 19(133) |
| 15-Nov-2019 | Gauthier Maravat | Agen | France | 11-Jun-2000 | 19(156) |
| 07-Dec-2019 | Vano Karkadze | Brive | Georgia | 25-Jun-2000 | 19(164) |
| 14-Dec-2019 | Ioane Iashagashvili | Bayonne | Georgia | 23-Apr-2000 | 19(234) |
| 14-Dec-2019 |  Jac Morgan | Scarlets | Wales | 21-Jan-2000 | 19(327) |
| 11-Jan-2020 | Bastien Tugaye | Pau | France | 01-Feb-2000 | 19(344) |
| 11-Jan-2020 | Lorenzo Michelini | Calvisano | Italy | 20-Jan-2000 | 19(356) |
| 11-Jan-2020 | Sacha Yahi | Agen | France | 28-Dec-1999 | 20(14) |
| 16-Nov-2019 | Taine Basham | Gwent Dragons | Wales | 02-Nov-1999 | 20(14) |
| 11-Jan-2020 | Rio Dyer | Gwent Dragons | Wales | 21-Dec-1999 | 20(21) |
| 16-Nov-2019 | Corey Baldwin | Scarlets | Wales | 13-Oct-1999 | 20(34) |
| 16-Nov-2019 | Will Capon | Bristol Bears | England | 12-Oct-1999 | 20(35) |
| 11-Jan-2020 | Wesley Tapueluelu | Brive | Tonga | 03-Dec-1999 | 20(39) |
| 15-Nov-2019 | Ollie Lawrence | Worcester Warriors | England | 18-Sep-1999 | 20(58) |
| 15-Nov-2019 | Mathieu Smaili | Toulon | France | 30-Aug-1999 | 20(77) |
| 15-Nov-2019 | Oliver Morris | Worcester Warriors | England | 19-Aug-1999 | 20(88) |
| 15-Nov-2019 |  Julien Delbouis | Stade Francais | France | 14-Aug-1999 | 20(93) |
| 15-Nov-2019 | Thomas Vincent | Agen | France | 21-Jul-1999 | 20(117) |
| 11-Jan-2020 | Carlo Amadei | Calvisano | Italy | 10-Sep-1999 | 20(123) |
| 16-Nov-2019 | Sam Wolstenholme | London Wasps | England | 21-Jun-1999 | 20(148) |
| 15-Nov-2019 | Tedo Abzhandadze | Brive | Georgia | 13-Jun-1999 | 20(155) |
| 14-Dec-2019 | SIone Tui | Stade Francais | Australia | 08-Jul-1999 | 20(159) |
| 15-Nov-2019 | Jean-Baptiste Gros | Toulon | France | 29-May-1999 | 20(170) |
| 16-Nov-2019 | Tommy Reffell | Leicester Tigers | Wales | 27-Apr-1999 | 20(203) |
| 11-Jan-2020 | James Scott | Worcester Warriors | England | 18-Jun-1999 | 20(207) |
| 16-Nov-2019 | Vincent Pinto | Pau | France | 10-Apr-1999 | 20(220) |
| 23-Nov-2019 | Joseph Heyes | Leicester Tigers | England | 13-Apr-1999 | 20(224) |
| 23-Nov-2019 | Ted Hill | Worcester Warriors | England | 26-Mar-1999 | 20(242) |
| 23-Nov-2019 | Thomas Hardwick | Leicester Tigers | England | 24-Mar-1999 | 20(244) |
| 16-Nov-2019 | Wayan de Benedittis | Castres | South Africa | 10-Mar-1999 | 20(251) |
| 16-Nov-2019 | Damiano Mazza | Calvisano | Italy | 16-Feb-1999 | 20(273) |
| 15-Nov-2019 | Louis Carbonel | Toulon | France | 04-Feb-1999 | 20(284) |
| 07-Dec-2019 | Quentin Delord | Brive | France | 10-Feb-1999 | 20(300) |
| 16-Nov-2019 | Tom Willis | London Wasps | England | 18-Jan-1999 | 20(302) |
| 16-Nov-2019 | Oliver Hassell-Collins | London Irish | England | 17-Jan-1999 | 20(303) |
| 22-Nov-2019 | Antoine Kouassi Koffi | Calvisano | Italy | 15-Jan-1999 | 20(311) |
| 14-Dec-2019 | Ryan Conbeer | Scarlets | Wales | 05-Feb-1999 | 20(312) |
| 11-Jan-2020 | Rayne Barka | Pau | France | 05-Feb-1999 | 20(340) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).