| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 22-Feb-2019 |  Baptiste Germain | France U20 | France | 21-Nov-2000 | 18(93) |
| 01-Feb-2019 | Martin Moloney | Ireland U20 | Ireland | 19-Oct-2000 | 18(105) |
| 03-Feb-2019 | Anuerin Owen | Wales U20 | Wales | 19-Oct-2000 | 18(107) |
| 03-Feb-2019 | Teddy Williams | Wales U20 | Wales | 18-Oct-2000 | 18(108) |
| 01-Feb-2019 | Matteo Drudi | Italy U20 | Italy | 30-Sep-2000 | 18(124) |
| 22-Feb-2019 | Federico Mori | Italy U20 | Italy | 13-Oct-2000 | 18(132) |
| 22-Feb-2019 | Eli Eglaine | France U20 | France | 15-Sep-2000 | 18(160) |
| 01-Feb-2019 | Oli Smith | Scotland U20 | Scotland | 07-Aug-2000 | 18(178) |
| 03-Feb-2019 | Jac Price | Wales U20 | Wales | 04-Aug-2000 | 18(183) |
| 03-Feb-2019 | Jordan Joseph | France U20 | France | 31-Jul-2000 | 18(187) |
| 01-Feb-2019 | Roan Frostwick | Scotland U20 | Scotland | 21-Jul-2000 | 18(195) |
| 09-Feb-2019 | Florent van Verberghe | France U20 | France | 22-Jul-2000 | 18(202) |
| 22-Feb-2019 | Dafydd Buckland | Wales U20 | Wales | 27-Jul-2000 | 18(210) |
| 22-Feb-2019 | Connor Doherty | England U20 | England | 18-Jul-2000 | 18(219) |
| 22-Feb-2019 | Yoram Moefana | France U20 | France | 18-Jul-2000 | 18(219) |
| 10-Feb-2019 | Ed Scragg | Wales U20 | Wales | 28-Jun-2000 | 18(227) |
| 22-Feb-2019 | Erwan Dridi | France U20 | France | 04-Jul-2000 | 18(233) |
| 01-Feb-2019 | Robbie McCallum | Scotland U20 | Scotland | 11-Jun-2000 | 18(235) |
| 01-Feb-2019 | Paolo Garbisi | Italy U20 | Italy | 03-Jun-2000 | 18(243) |
| 09-Feb-2019 | Gauthier Maravat | France U20 | France | 11-Jun-2000 | 18(243) |
| 01-Feb-2019 | Josh Hodge | England U20 | England | 23-May-2000 | 18(254) |
| 03-Feb-2019 | Ben Warren | Wales U20 | Wales | 24-Apr-2000 | 18(285) |
| 08-Mar-2019 | Rusi Tuima | England U20 | England | 21-May-2000 | 18(291) |
| 01-Feb-2019 | Ollie Sleightholme | England U20 | England | 13-Apr-2000 | 18(294) |
| 22-Feb-2019 | Filippo Alongi | Italy U20 | Italy | 27-Apr-2000 | 18(301) |
| 08-Feb-2019 | Ewan Ashman | Scotland U20 | Scotland | 03-Apr-2000 | 18(311) |
| 01-Feb-2019 | Matteo Moscardi | Italy U20 | Italy | 24-Mar-2000 | 18(314) |
| 15-Mar-2019 | Manu Vunipola | England U20 | England | 04-May-2000 | 18(315) |
| 01-Feb-2019 | Sam Maunder | England U20 | England | 22-Mar-2000 | 18(316) |
| 08-Feb-2019 | Rufus McLean | Scotland U20 | Scotland | 02-Mar-2000 | 18(343) |
| 01-Feb-2019 | Jack Blain | Scotland U20 | Scotland | 21-Feb-2000 | 18(346) |
| 01-Feb-2019 | Connor Boyle | Scotland U20 | Scotland | 19-Feb-2000 | 18(348) |
| 22-Feb-2019 | Thibault Hamonou | France U20 | France | 10-Mar-2000 | 18(349) |
| 08-Feb-2019 | Tom Clarkson | Ireland U20 | Ireland | 22-Feb-2000 | 18(352) |
| 22-Feb-2019 | Richard Capstick | England U20 | England | 13-Feb-2000 | 19(9) |
| 22-Feb-2019 | Pierre Jutge | France U20 | France | 11-Feb-2000 | 19(11) |
| 03-Feb-2019 | Jac Morgan | Wales U20 | Wales | 21-Jan-2000 | 19(13) |
| 08-Feb-2019 | Cameron Henderson | Scotland U20 | Scotland | 13-Jan-2000 | 19(26) |
| 15-Mar-2019 | Samson Ma'asi | England U20 | England | 09-Feb-2000 | 19(34) |
| 01-Feb-2019 | Nicolas Cristian Stoian | Italy U20 | Italy | 19-Dec-1999 | 19(44) |
| 09-Feb-2019 | Cameron Redpath | England U20 | Scotland | 23-Dec-1999 | 19(48) |
| 22-Feb-2019 | Thomas de Glanville | England U20 | England | 10-Dec-1999 | 19(74) |
| 01-Feb-2019 | Jack Mann | Scotland U20 | Scotland | 17-Nov-1999 | 19(76) |
| 22-Feb-2019 | Simon Desaubies | France U20 | France | 30-Nov-1999 | 19(84) |
| 08-Mar-2019 | Alex Burin | France U20 | France | 14-Dec-1999 | 19(84) |
| 03-Feb-2019 | Giorgi Beria | France U20 | France | 11-Nov-1999 | 19(84) |
| 08-Mar-2019 | Dewi Cross | Wales U20 | Wales | 06-Dec-1999 | 19(92) |
| 03-Feb-2019 | Taine Basham | Wales U20 | Wales | 02-Nov-1999 | 19(93) |
| 22-Feb-2019 | Paul Boudehent | France U20 | France | 21-Nov-1999 | 19(93) |
| 01-Feb-2019 | Alessandro Fusco | Italy U20 | Italy | 28-Oct-1999 | 19(96) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).