| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 15-Mar-2014 |  Gael Fickou | France | France | 26-Mar-1994 | 19(354) |
| 01-Feb-2014 |  Angelo Esposito | Italy | Italy | 14-Jun-1993 | 20(232) |
| 01-Feb-2014 | Tommaso Allan | Italy | Italy | 26-Apr-1993 | 20(281) |
| 01-Feb-2014 |  Jack Nowell | England | England | 11-Apr-1993 | 20(296) |
| 01-Feb-2014 | Michele Campagnaro | Italy | Italy | 13-Mar-1993 | 20(325) |
| 01-Feb-2014 | Billy Vunipola | England | England | 03-Nov-1992 | 21(90) |
| 02-Feb-2014 |  Stuart Hogg | Scotland | Scotland | 24-Jun-1992 | 21(223) |
| 01-Feb-2014 |  George North | Wales | Wales | 13-Apr-1992 | 21(294) |
| 08-Mar-2014 |  Iain Henderson | Ireland | Ireland | 21-Feb-1992 | 22(16) |
| 01-Feb-2014 | Leonardo Sarto | Italy | Italy | 15-Jan-1992 | 22(18) |
| 15-Mar-2014 | Rhodri Jones | Wales | Wales | 23-Dec-1991 | 22(83) |
| 01-Feb-2014 | Owen Farrell | England | England | 21-Sep-1991 | 22(134) |
| 08-Mar-2014 | Sebastien Vahaamahina | France | France | 21-Oct-1991 | 22(139) |
| 01-Feb-2014 | Jules Plisson | France | France | 20-Aug-1991 | 22(166) |
| 21-Feb-2014 | Jake Ball | Wales | Wales | 21-Jun-1991 | 22(246) |
| 02-Feb-2014 | Duncan Weir | Scotland | Scotland | 10-May-1991 | 22(269) |
| 01-Feb-2014 | Joe Launchberry | England | England | 12-Apr-1991 | 22(296) |
| 21-Feb-2014 | Liam Williams | Wales | Wales | 09-Apr-1991 | 22(319) |
| 02-Feb-2014 | Luke Marshall | Ireland | Ireland | 03-Mar-1991 | 22(337) |
| 01-Feb-2014 | Jean Marc Doussain | France | France | 12-Feb-1991 | 22(355) |
| 15-Mar-2014 | Makovina Vunipola | England | England | 13-Jan-1991 | 23(61) |
| 01-Feb-2014 | Toby Faletau | Wales | Wales | 12-Nov-1990 | 23(81) |
| 09-Feb-2014 | Hugo Bonneval | France | France | 19-Nov-1990 | 23(82) |
| 01-Feb-2014 | Scott Williams | Wales | Wales | 10-Oct-1990 | 23(114) |
| 08-Feb-2014 | Matt Scott | Scotland | Scotland | 30-Sep-1990 | 23(131) |
| 09-Feb-2014 | Tommaso Iannone | Italy | Italy | 16-Sep-1990 | 23(146) |
| 01-Feb-2014 | Joe Marler | England | England | 07-Jul-1990 | 23(209) |
| 15-Mar-2014 | Douglas Fife | Scotland | Scotland | 08-Aug-1990 | 23(219) |
| 02-Feb-2014 | Alex Dunbar | Scotland | Scotland | 23-Apr-1990 | 23(285) |
| 01-Feb-2014 | Brice Dulin | France | France | 13-Apr-1990 | 23(294) |
| 01-Feb-2014 | Alex Cuthbert | Wales | Wales | 05-Apr-1990 | 23(302) |
| 01-Feb-2014 | Jonny May | England | England | 01-Apr-1990 | 23(306) |
| 01-Feb-2014 | Eduardo Gori | Italy | Italy | 05-Mar-1990 | 23(333) |
| 02-Feb-2014 | David Denton | Scotland | Scotland | 05-Feb-1990 | 23(362) |
| 09-Feb-2014 | Raffaele Joshua Furno | Italy | Italy | 21-Oct-1989 | 24(111) |
| 01-Feb-2014 | Alexandre Flanquart | France | France | 09-Oct-1989 | 24(115) |
| 02-Feb-2014 | Peter O'Mahony | Ireland | Ireland | 17-Sep-1989 | 24(138) |
| 15-Mar-2014 | Daniel Biggar | Wales | Wales | 16-Oct-1989 | 24(150) |
| 02-Feb-2014 | Duncan Taylor | Scotland | Scotland | 05-Sep-1989 | 24(150) |
| 01-Feb-2014 | Justin Tipuric | Wales | Wales | 06-Aug-1989 | 24(179) |
| 22-Feb-2014 | Richie Gray | Scotland | Scotland | 24-Aug-1989 | 24(182) |
| 08-Feb-2014 | Chris Fusaro | Scotland | Scotland | 21-Jul-1989 | 24(202) |
| 02-Feb-2014 | David Kearney | Ireland | Ireland | 19-Jun-1989 | 24(228) |
| 01-Feb-2014 | Bernard Le Roux | France | France | 04-Jun-1989 | 24(242) |
| 02-Feb-2014 | Ryan Wilson | Scotland | Scotland | 18-May-1989 | 24(260) |
| 02-Feb-2014 | Conor Murray | Ireland | Ireland | 20-Apr-1989 | 24(288) |
| 08-Mar-2014 | Alexandre Lapandry | France | France | 13-Apr-1989 | 24(329) |
| 21-Feb-2014 | Wenceslas Lauret | France | France | 28-Mar-1989 | 24(330) |
| 01-Feb-2014 | Courtney Lawes | England | England | 23-Feb-1989 | 24(343) |
| 09-Mar-2014 | Ben Morgan | England | England | 18-Feb-1989 | 25(19) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).