| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 06-Aug-2011 |  George North | Wales | Wales | 13-Apr-1992 | 19(114) |
| 05-Jun-2012 |  Stuart Hogg | Scotland | Scotland | 24-Jun-1992 | 19(346) |
| 06-Aug-2011 |  Manu Tuilagi | England | England | 18-May-1991 | 20(80) |
| 23-Jun-2012 |  Sam Cane | New Zealand | New Zealand | 13-Jan-1992 | 20(162) |
| 16-Jun-2012 |  Jean-Marcel Buttin | France | France | 16-Dec-1991 | 20(183) |
| 16-Jun-2012 |  Manuel Montero | Argentina | Argentina | 20-Nov-1991 | 20(209) |
| 09-Jun-2012 |  Eben Etzebeth | South Africa | South Africa | 29-Oct-1991 | 20(224) |
| 13-Aug-2011 |  Tommaso Benvenuti | Italy | Italy | 12-Dec-1990 | 20(244) |
| 09-Jun-2012 | Owen Farrell | England | England | 21-Sep-1991 | 20(262) |
| 06-Aug-2011 | Toby Faletau | Wales | Wales | 12-Nov-1990 | 20(267) |
| 16-Jun-2012 |  Tyler Ardron | Canada | Canada | 16-Jun-1991 | 21(1) |
| 09-Jun-2012 | Brodie Retallick | New Zealand | New Zealand | 31-May-1991 | 21(10) |
| 16-Jun-2012 | Jonathan Joseph | England | England | 21-May-1991 | 21(27) |
| 09-Jun-2012 | Marcell Coetzee | South Africa | South Africa | 08-May-1991 | 21(33) |
| 03-Dec-2011 | Scott Williams | Wales | Wales | 10-Oct-1990 | 21(54) |
| 23-Jun-2012 |  Giga Tkhilaishvili | Georgia | Georgia | 08-Apr-1991 | 21(77) |
| 20-Aug-2011 | Tavis Knoyle | Wales | Wales | 02-Jun-1990 | 21(79) |
| 23-Jun-2012 | Beka Bitsadze | Georgia | Georgia | 24-Mar-1991 | 21(92) |
| 23-Jun-2012 | Luca Morisi | Italy | Italy | 22-Feb-1991 | 21(122) |
| 03-Dec-2011 |  James O'Connor | Australia | Australia | 05-Jul-1990 | 21(151) |
| 13-Aug-2011 | Eduardo Gori | Italy | Italy | 05-Mar-1990 | 21(161) |
| 16-Jun-2012 | Alberto Benettin | Italy | Italy | 25-Nov-1990 | 21(204) |
| 16-Jun-2012 | Patrick Lambie | South Africa | South Africa | 17-Oct-1990 | 21(243) |
| 05-Jun-2012 | Matt Scott | Scotland | Scotland | 30-Sep-1990 | 21(249) |
| 16-Jun-2012 | Tomas de la Vega | Argentina | Argentina | 28-Sep-1990 | 21(262) |
| 09-Jun-2012 | Julian Savea | New Zealand | New Zealand | 08-Jul-1990 | 21(337) |
| 09-Jun-2012 | Joe Marler | England | England | 07-Jul-1990 | 21(338) |
| 06-Aug-2011 | Richie Gray | Scotland | Scotland | 24-Aug-1989 | 21(347) |
| 16-Jun-2012 |  Waisea Nayacalevu | Fiji | Fiji | 26-Jun-1990 | 21(356) |
| 03-Dec-2011 | Lloyd Williams | Wales | Wales | 30-Nov-1989 | 22(3) |
| 20-Aug-2011 |  Villiami Iongi | Tonga | Tonga | 08-Aug-1989 | 22(12) |
| 23-Jun-2012 | Mikheil Nariashvili | Georgia | Georgia | 25-May-1990 | 22(30) |
| 05-Jun-2012 | Luke Morahan | Australia | Australia | 13-Apr-1990 | 22(54) |
| 16-Jun-2012 | Ashley Beck | Wales | Wales | 15-Apr-1990 | 22(63) |
| 16-Jun-2012 | Brice Dulin | France | France | 13-Apr-1990 | 22(65) |
| 09-Jun-2012 | Alex Cuthbert | Wales | Wales | 05-Apr-1990 | 22(66) |
| 09-Jun-2012 | Giovanbattista Venditti | Italy | Italy | 27-Mar-1990 | 22(75) |
| 20-Aug-2011 |  Tai Enosa | United States | United States | 03-Jun-1989 | 22(78) |
| 09-Jun-2012 |  Simon Zebo | Ireland | Ireland | 16-Mar-1990 | 22(86) |
| 03-Dec-2011 | Scott Higginbotham | Australia | Australia | 05-Sep-1989 | 22(89) |
| 20-Aug-2011 | Kini Murimurivalu | Fiji | Fiji | 15-May-1989 | 22(97) |
| 05-Jun-2012 | Joseph Tomane | Australia | Australia | 11-Feb-1990 | 22(115) |
| 03-Dec-2011 | Scott Andrews | Wales | Wales | 01-Aug-1989 | 22(124) |
| 13-Aug-2011 | Courtney Lawes | England | England | 23-Feb-1989 | 22(171) |
| 03-Dec-2011 | James Slipper | Australia | Australia | 06-Jun-1989 | 22(180) |
| 16-Jun-2012 | Conor Trainor | Canada | Canada | 05-Dec-1989 | 22(194) |
| 16-Jun-2012 | Nahuel Tetaz | Argentina | Argentina | 06-Nov-1989 | 22(223) |
| 03-Dec-2011 | Rob Simmons | Australia | Australia | 19-Apr-1989 | 22(228) |
| 02-Jun-2012 | Daniel Biggar | Wales | Wales | 16-Oct-1989 | 22(230) |
| 16-Jun-2012 | Raffaele Joshua Furno | Italy | Italy | 21-Oct-1989 | 22(239) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).