| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 14-Dec-2013 |  Tom Collins | Northampton Saints | England | 03-Jul-1994 | 19(164) |
| 08-Dec-2013 |  Yacouba Camara | Toulouse | France | 02-Jun-1994 | 19(189) |
| 13-Oct-2013 |  Jonny Gray | Glasgow Warriors | Scotland | 14-Mar-1994 | 19(213) |
| 13-Oct-2013 | Josua Tuisova | Toulon | Fiji | 04-Feb-1994 | 19(251) |
| 11-Oct-2013 | Christopher Tolofua | Toulouse | France | 31-Dec-1993 | 19(284) |
| 18-Jan-2014 | Gael Fickou | Toulouse | France | 26-Mar-1994 | 19(298) |
| 12-Oct-2013 |  Jordan Williams | Scarlets | Wales | 20-Sep-1993 | 20(22) |
| 12-Oct-2013 |  Elliot Stooke | Gloucester | England | 10-Sep-1993 | 20(32) |
| 13-Dec-2013 | Sam Davies | Ospreys | Wales | 06-Oct-1993 | 20(68) |
| 20-Oct-2013 |  Sam Hill | Exeter Chiefs | England | 14-Jul-1993 | 20(98) |
| 11-Oct-2013 | Robbie Henshaw | Connacht | Ireland | 12-Jun-1993 | 20(121) |
| 12-Jan-2014 | Mathieu Babillot | Castres | France | 09-Sep-1993 | 20(125) |
| 13-Oct-2013 |  Rhys Patchell | Cardiff Blues | Wales | 17-May-1993 | 20(149) |
| 12-Oct-2013 | Rhodri Williams | Scarlets | Wales | 05-May-1993 | 20(160) |
| 07-Dec-2013 | Angelo Esposito | Benetton Treviso | Italy | 14-Jun-1993 | 20(176) |
| 13-Oct-2013 | Harry Robinson | Cardiff Blues | Wales | 16-Apr-1993 | 20(180) |
| 15-Dec-2013 | Enzo Selponi | Montpellier | France | 16-Jun-1993 | 20(182) |
| 11-Jan-2014 | Luke Cowan-Dickie | Exeter Chiefs | England | 20-Jun-1993 | 20(205) |
| 12-Oct-2013 | Michele Campagnaro | Benetton Treviso | Italy | 13-Mar-1993 | 20(213) |
| 14-Dec-2013 |  Tommaso Allan | Perpignan | Italy | 26-Apr-1993 | 20(232) |
| 11-Jan-2014 | Darragh Leader | Connacht | Ireland | 22-May-1993 | 20(234) |
| 19-Oct-2013 | David Odiete | Zebre | Italy | 24-Feb-1993 | 20(237) |
| 07-Dec-2013 | Jack Nowell | Exeter Chiefs | England | 11-Apr-1993 | 20(240) |
| 13-Oct-2013 | Cory Allen | Cardiff Blues | Wales | 11-Feb-1993 | 20(244) |
| 13-Oct-2013 | Mark Bennett | Glasgow Warriors | Scotland | 03-Feb-1993 | 20(252) |
| 18-Jan-2014 | Ellis Jenkins | Cardiff Blues | Wales | 29-Apr-1993 | 20(264) |
| 14-Dec-2013 | Henry Slade | Exeter Chiefs | England | 19-Mar-1993 | 20(270) |
| 08-Dec-2013 | Edwin Maka | Toulouse | Australia | 25-Feb-1993 | 20(286) |
| 12-Oct-2013 | Samson Lee | Scarlets | Wales | 30-Nov-1992 | 20(316) |
| 11-Oct-2013 |  Billy Vunipola | Saracens | England | 03-Nov-1992 | 20(342) |
| 07-Dec-2013 |  Charlie Walker | Harlequins | England | 23-Dec-1992 | 20(349) |
| 08-Dec-2013 | Tom Ecochard | Perpignan | France | 14-Dec-1992 | 20(359) |
| 12-Oct-2013 | George Merrick | Harlequins | England | 04-Oct-1992 | 21(8) |
| 20-Oct-2013 | Jamie Elliott | Northampton Saints | England | 31-Aug-1992 | 21(50) |
| 10-Jan-2014 | Eric Escande | Montpellier | France | 18-Nov-1992 | 21(53) |
| 11-Jan-2014 | Jack Carty | Connacht | Ireland | 31-Aug-1992 | 21(133) |
| 12-Oct-2013 | Ryan Mills | Gloucester | England | 30-May-1992 | 21(135) |
| 20-Oct-2013 | Tom Habberfield | Ospreys | Wales | 19-May-1992 | 21(154) |
| 06-Dec-2013 | Stuart Hogg | Glasgow Warriors | Scotland | 24-Jun-1992 | 21(165) |
| 12-Oct-2013 |  Harry Leonard | Edinburgh Rugby | Scotland | 28-Apr-1992 | 21(167) |
| 12-Oct-2013 | Matt Kvesic | Gloucester | England | 14-Apr-1992 | 21(181) |
| 12-Oct-2013 | George North | Northampton Saints | Wales | 13-Apr-1992 | 21(182) |
| 12-Oct-2013 | Eli Walker | Ospreys | Wales | 28-Mar-1992 | 21(198) |
| 15-Dec-2013 | Yohan Artru | Montpellier | France | 31-May-1992 | 21(198) |
| 12-Oct-2013 | Sebastien Taofifenua | Perpignan | France | 21-Mar-1992 | 21(205) |
| 12-Oct-2013 | Kelian Galletier | Montpellier | France | 18-Mar-1992 | 21(208) |
| 11-Oct-2013 | Jake Heenan | Connacht | New Zealand | 17-Mar-1992 | 21(208) |
| 11-Jan-2014 | Karl Chateau | Perpignan | France | 15-Jun-1992 | 21(210) |
| 19-Oct-2013 | Dan Robson | Gloucester | England | 14-Mar-1992 | 21(219) |
| 15-Dec-2013 | Virimi Vakatawa | Racing CF | France | 01-May-1992 | 21(228) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).