| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 03-Jun-2018 |  Jordan Joseph | France U20 | France | 31-Jul-2000 | 17(307) |
| 03-Jun-2018 | Matteo Moscardi | Italy U20 | Italy | 24-Mar-2000 | 18(71) |
| 03-Jun-2018 | Teimuraz Tchitchinadze | Georgia U20 | Georgia | 23-Mar-2000 | 18(72) |
| 30-May-2018 | Demur Tapladze | Georgia U20 | Georgia | 18-Mar-2000 | 18(73) |
| 30-May-2018 | Kai Yamamoto | Japan U20 | Japan | 17-Mar-2000 | 18(74) |
| 30-May-2018 | Juan Bautista Pedemonte | Argentina U20 | Argentina | 14-Mar-2000 | 18(77) |
| 07-Jun-2018 | Harri Morgan | Wales U20 | Wales | 16-Mar-2000 | 18(83) |
| 07-Jun-2018 | Jordan Petaia | Australia U20 | Australia | 14-Mar-2000 | 18(85) |
| 30-May-2018 | Rory Darge | Scotland U20 | Scotland | 23-Feb-2000 | 18(97) |
| 30-May-2018 | Lasha Lomidze | Georgia U20 | Georgia | 26-Jan-2000 | 18(125) |
| 03-Jun-2018 | Marshall Sykes | Scotland U20 | Scotland | 29-Dec-1999 | 18(157) |
| 30-May-2018 | Rio Dyer | Wales U20 | Wales | 21-Dec-1999 | 18(161) |
| 30-May-2018 | Mateo Carreras | Argentina U20 | Argentina | 17-Dec-1999 | 18(165) |
| 07-Jun-2018 | Dewi Cross | Wales U20 | Wales | 06-Dec-1999 | 18(184) |
| 03-Jun-2018 | Luka Azariashvili | Georgia U20 | Georgia | 30-Nov-1999 | 18(186) |
| 30-May-2018 | Trevor Hosea | Australia U20 | Australia | 24-Nov-1999 | 18(188) |
| 07-Jun-2018 | Tiaan Thomas-Wheeler | Wales U20 | Wales | 19-Nov-1999 | 18(201) |
| 30-May-2018 | Otar Dzagnidze | Georgia U20 | Georgia | 10-Nov-1999 | 18(202) |
| 30-May-2018 | Taine Basham | Wales U20 | Wales | 02-Nov-1999 | 18(210) |
| 03-Jun-2018 | Murphy Walker | Scotland U20 | Scotland | 25-Oct-1999 | 18(222) |
| 07-Jun-2018 | Alessandro Fusco | Italy U20 | Italy | 28-Oct-1999 | 18(223) |
| 30-May-2018 | Corey Baldwin | Wales U20 | Wales | 13-Oct-1999 | 18(230) |
| 30-May-2018 | Leicester Faingaanuku | New Zealand U20 | New Zealand | 11-Oct-1999 | 18(232) |
| 03-Jun-2018 | Arthur Vincent | France U20 | France | 30-Sep-1999 | 18(247) |
| 03-Jun-2018 | Devan Flanders | New Zealand U20 | New Zealand | 20-Jul-1999 | 18(319) |
| 03-Jun-2018 | Patrick Tafa | Australia U20 | Australia | 19-Jul-1999 | 18(320) |
| 30-May-2018 | Ewan Johnson | Scotland U20 | Scotland | 27-Jun-1999 | 18(338) |
| 30-May-2018 | Cai Evans | Wales U20 | Wales | 23-Jun-1999 | 18(342) |
| 30-May-2018 | Joel Kpoku | England U20 | England | 22-Jun-1999 | 18(343) |
| 03-Jun-2018 | Muller du Plessis | South Africa U20 | South Africa | 25-Jun-1999 | 18(344) |
| 30-May-2018 | Sacha Zegueur | France U20 | France | 21-Jun-1999 | 18(344) |
| 30-May-2018 | James Scott | England U20 | England | 18-Jun-1999 | 18(347) |
| 30-May-2018 | Tedo Abzhandadze | Georgia U20 | Georgia | 13-Jun-1999 | 18(352) |
| 03-Jun-2018 | Jean-Baptiste Gros | France U20 | France | 29-May-1999 | 19(5) |
| 12-Jun-2018 | Phendulani Buthelezi | South Africa U20 | South Africa | 30-May-1999 | 19(13) |
| 30-May-2018 | Billy Proctor | New Zealand U20 | New Zealand | 14-May-1999 | 19(16) |
| 07-Jun-2018 | Dewi Lake | Wales U20 | Wales | 16-May-1999 | 19(22) |
| 30-May-2018 | Thomas Lavault | France U20 | France | 03-May-1999 | 19(27) |
| 30-May-2018 | Romain Ntamack | France U20 | France | 01-May-1999 | 19(29) |
| 30-May-2018 | Semisa Tupou | Australia U20 | Australia | 29-Apr-1999 | 19(31) |
| 30-May-2018 | Tommy Reffell | Wales U20 | Wales | 27-Apr-1999 | 19(33) |
| 12-Jun-2018 | Davide Ruggeri | Italy U20 | Italy | 07-May-1999 | 19(36) |
| 30-May-2018 | Harry Byrne | Ireland U20 | Ireland | 22-Apr-1999 | 19(38) |
| 30-May-2018 | Esei Ha'angana | Australia U20 | Australia | 21-Apr-1999 | 19(39) |
| 30-May-2018 | Juan Pablo Castro | Argentina U20 | Argentina | 20-Apr-1999 | 19(40) |
| 12-Jun-2018 | Joaquin De La Vega Mendia | Argentina U20 | Argentina | 30-Apr-1999 | 19(43) |
| 30-May-2018 | Joshua Basham | England U20 | England | 17-Apr-1999 | 19(43) |
| 03-Jun-2018 | Asenathi Ntlabakanye | South Africa U20 | South Africa | 15-Apr-1999 | 19(49) |
| 30-May-2018 | Ross Thompson | Scotland U20 | Scotland | 10-Apr-1999 | 19(50) |
| 03-Jun-2018 | Joseph Heyes | England U20 | England | 13-Apr-1999 | 19(51) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).