| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 15-Nov-2015 |  Keelan Giles | Ospreys | Wales | 29-Jan-1998 | 17(290) |
| 21-Nov-2015 |  Owen Lane | Cardiff Blues | Wales | 20-Dec-1997 | 17(336) |
| 21-Nov-2015 | Cillian Gallagher | Connacht | Ireland | 23-Jul-1997 | 18(121) |
| 22-Jan-2016 | Shane Lewis-Hughes | Cardiff Blues | Wales | 20-Sep-1997 | 18(124) |
| 15-Nov-2015 | Josh Cole | Ospreys | Wales | 09-Jul-1997 | 18(129) |
| 15-Nov-2015 | Matthew Aubrey | Ospreys | Wales | 04-Jun-1997 | 18(164) |
| 20-Nov-2015 | Charles Capps | Leeds Tykes | England | 08-Jun-1997 | 18(165) |
| 14-Nov-2015 |  George Cox | Nottingham | England | 02-Jun-1997 | 18(165) |
| 15-Nov-2015 | Max Wright | Leeds Tykes | England | 24-May-1997 | 18(175) |
| 16-Jan-2016 | Connor Edwards | Gwent Dragons | Wales | 28-Jun-1997 | 18(202) |
| 13-Nov-2015 |  Jonny McPhillips | Ulster | Ireland | 13-Mar-1997 | 18(245) |
| 13-Nov-2015 |  Bill Johnston | Munster | Ireland | 07-Feb-1997 | 18(279) |
| 13-Nov-2015 | Robert Lyttle | Ulster | Ireland | 28-Jan-1997 | 18(289) |
| 12-Dec-2015 | Arwel Robson | Gwent Dragons | Wales | 21-Feb-1997 | 18(294) |
| 15-Nov-2015 |  Jacob Cowley | Scarlets | New Zealand | 03-Jan-1997 | 18(316) |
| 19-Dec-2015 | George Gasson | Gwent Dragons | Wales | 15-Jan-1997 | 18(338) |
| 14-Nov-2015 | Barney Nightingale | Gwent Dragons | Wales | 05-Nov-1996 | 19(8) |
| 22-Jan-2016 | Morgan Sienawski | Cardiff Blues | Wales | 11-Jan-1997 | 19(10) |
| 22-Nov-2015 | Leon Brown | Gwent Dragons | Wales | 26-Oct-1996 | 19(26) |
| 22-Nov-2015 | Billy McBryde | Scarlets | Wales | 24-Oct-1996 | 19(28) |
| 15-Nov-2015 | Owen Watkin | Ospreys | Wales | 12-Oct-1996 | 19(33) |
| 22-Jan-2016 | Teri Morgan-Gee | Cardiff Blues | Wales | 18-Dec-1996 | 19(34) |
| 15-Nov-2015 | Shaun Evans | Scarlets | Wales | 14-Sep-1996 | 19(61) |
| 22-Jan-2016 | Callum Hall | Cardiff Blues | Wales | 07-Oct-1996 | 19(106) |
| 21-Nov-2015 | Peter Claffey | Connacht | Ireland | 28-Jul-1996 | 19(115) |
| 14-Nov-2015 | Harrison Keddie | Gwent Dragons | Wales | 10-Jul-1996 | 19(126) |
| 14-Nov-2015 | Conor Bullivant | Nottingham | England | 02-Jul-1996 | 19(134) |
| 15-Nov-2015 | Tom Williams | Ospreys | Wales | 03-Jul-1996 | 19(134) |
| 15-Nov-2015 | Taylor Prell | Leeds Tykes | England | 03-Jul-1996 | 19(134) |
| 11-Dec-2015 | Sam Underhill | Ospreys | England | 22-Jul-1996 | 19(141) |
| 16-Jan-2016 | Harri Millard | Cardiff Blues | Wales | 17-Aug-1996 | 19(151) |
| 20-Nov-2015 | Matthew Dodd | Ospreys | Wales | 19-Jun-1996 | 19(153) |
| 22-Jan-2016 | Jarrod Evans | Cardiff Blues | Wales | 25-Jul-1996 | 19(180) |
| 22-Jan-2016 |  James Ryan | Leinster | Ireland | 24-Jul-1996 | 19(181) |
| 15-Nov-2015 | Josh Bainbridge | Leeds Tykes | England | 17-Apr-1996 | 19(211) |
| 21-Nov-2015 | Sam Arnold | Ulster | Ireland | 08-Apr-1996 | 19(226) |
| 19-Dec-2015 | Stephen Kerins | Connacht | Ireland | 01-May-1996 | 19(231) |
| 16-Jan-2016 | Conan O'Donnell | Connacht | Ireland | 23-May-1996 | 19(237) |
| 12-Mar-2016 | David Aspil | Leinster | Ireland | 14-Jul-1996 | 19(241) |
| 16-Jan-2016 | Joe Gage | Ospreys | Wales | 15-May-1996 | 19(245) |
| 13-Nov-2015 |  Rory Bartle | London Scottish | Wales | 08-Mar-1996 | 19(249) |
| 15-Nov-2015 | Joe Thomas | Ospreys | Wales | 21-Feb-1996 | 19(267) |
| 15-Nov-2015 | Tom Phillips | Scarlets | Wales | 12-Feb-1996 | 19(276) |
| 15-Jan-2016 | Jacob Stockdale | Ulster | Ireland | 03-Apr-1996 | 19(286) |
| 19-Dec-2015 | Jordan Viggers | Cardiff Blues | Wales | 16-Feb-1996 | 19(306) |
| 16-Jan-2016 | Elis-Wyn Benham | Cardiff Blues | Wales | 01-Mar-1996 | 19(320) |
| 20-Nov-2015 | Dan Tai | Leeds Tykes | England | 29-Dec-1995 | 19(326) |
| 11-Dec-2015 | Adam Beard | Ospreys | Wales | 07-Jan-1996 | 19(338) |
| 17-Jan-2016 | Max Green | Leeds Tykes | England | 13-Feb-1996 | 19(338) |
| 12-Dec-2015 | Daniel Jones | Scarlets | Wales | 07-Jan-1996 | 19(339) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).