| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 13-Jan-2013 | Robin Hislop | Scotland | 26-Feb-1992 | 20(322) |
| 21-Oct-2012 | Greg Hunter | Scotland | 26-Sep-1991 | 21(26) |
| 14-Dec-2012 | Robert McAlpine | Scotland | 26-Mar-1991 | 21(264) |
| 13-Oct-2012 | Matt Scott | Scotland | 30-Sep-1990 | 22(14) |
| 13-Oct-2012 | Stuart McInally | Scotland | 09-Aug-1990 | 22(66) |
| 13-Oct-2012 | Grant Gilchrist | Scotland | 09-Aug-1990 | 22(66) |
| 14-Dec-2012 | Douglas Fife | Scotland | 08-Aug-1990 | 22(129) |
| 14-Dec-2012 | Piers Francis | England | 20-Jun-1990 | 22(178) |
| 13-Oct-2012 | Tom Brown | Scotland | 30-Mar-1990 | 22(198) |
| 13-Oct-2012 | David Denton | Scotland | 05-Feb-1990 | 22(251) |
| 21-Oct-2012 | Greig Tonks | Scotland | 20-May-1989 | 23(154) |
| 13-Oct-2012 | Lee Jones | Scotland | 28-Jun-1988 | 24(107) |
| 13-Oct-2012 | Tim Visser | Scotland | 29-May-1987 | 25(138) |
| 08-Dec-2012 | Roddy Grant | Scotland | 31-Jan-1987 | 25(312) |
| 13-Oct-2012 | Ross Rennie | Scotland | 29-Mar-1986 | 26(199) |
| 14-Dec-2012 | Chris Leck | England | 21-May-1986 | 26(208) |
| 13-Oct-2012 | Greig Laidlaw | Scotland | 12-Oct-1985 | 27(1) |
| 13-Jan-2013 | Dmitri Basilaia | Georgia | 27-Nov-1985 | 27(47) |
| 14-Dec-2012 | Ben Cairns | Scotland | 29-May-1985 | 27(199) |
| 13-Oct-2012 | Sean Cox | England | 16-Jan-1985 | 27(270) |
| 13-Oct-2012 | Ross Ford | Scotland | 23-Apr-1984 | 28(173) |
| 13-Oct-2012 | Nick De Luca | Scotland | 01-Feb-1984 | 28(255) |
| 13-Jan-2013 | Steven Lawrie | Scotland | 22-Feb-1984 | 28(326) |
| 13-Oct-2012 | Richie Rees | Wales | 21-May-1983 | 29(146) |
| 21-Oct-2012 | Ben Atiga | New Zealand | 05-May-1983 | 29(170) |
| 13-Oct-2012 | John Yapp | Wales | 09-Apr-1983 | 29(188) |
| 21-Oct-2012 | Netani Talei | Fiji | 19-Mar-1983 | 29(217) |
| 21-Oct-2012 | Geoff Cross | Scotland | 11-Dec-1982 | 29(315) |
| 13-Oct-2012 | JP Nel | South Africa | 09-Jan-1981 | 31(278) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).