| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 15-Feb-2013 | Mark Bennett | Scotland | 03-Feb-1993 | 20(12) |
| 02-Nov-2012 | Taylor Paris | Canada | 06-Oct-1992 | 20(27) |
| 27-Oct-2012 | Stuart Hogg | Scotland | 24-Jun-1992 | 20(125) |
| 31-Aug-2012 | Duncan Weir | Scotland | 10-May-1991 | 21(114) |
| 28-Sep-2012 | Sean Kennedy | Scotland | 24-Apr-1991 | 21(158) |
| 31-Aug-2012 | Robert Harley | Scotland | 26-May-1990 | 22(98) |
| 31-Aug-2012 | Alex Dunbar | Scotland | 23-Apr-1990 | 22(131) |
| 14-Sep-2012 | Peter Horne | Scotland | 05-Oct-1989 | 22(345) |
| 31-Aug-2012 | Chris Fusaro | Scotland | 21-Jul-1989 | 23(41) |
| 31-Aug-2012 | Henry Pyrgos | Scotland | 09-Jul-1989 | 23(53) |
| 31-Aug-2012 | Ryan Wilson | Scotland | 18-May-1989 | 23(105) |
| 28-Sep-2012 | Fraser Thomson | Scotland | 18-May-1989 | 23(133) |
| 28-Sep-2012 | Byron McGuigan | Scotland | 20-Apr-1989 | 23(161) |
| 31-Aug-2012 | Finley Gillies | Scotland | 13-Feb-1989 | 23(199) |
| 27-Oct-2012 | Nikola Matawalu | Fiji | 08-Mar-1989 | 23(233) |
| 31-Aug-2012 | Tommy Seymour | Scotland | 01-Jul-1988 | 24(61) |
| 21-Dec-2012 | Sean Maitland | Scotland | 14-Sep-1988 | 24(98) |
| 07-Sep-2012 | Ruaridh Jackson | Scotland | 12-Feb-1988 | 24(208) |
| 07-Sep-2012 | Pat McArthur | Scotland | 27-Apr-1987 | 25(134) |
| 31-Aug-2012 | Gordon Reid | Scotland | 04-Mar-1987 | 25(181) |
| 21-Sep-2012 | Tim Swinson | Scotland | 11-Feb-1987 | 25(223) |
| 28-Sep-2012 | Joshua Strauss | Scotland | 23-Oct-1986 | 25(341) |
| 07-Sep-2012 | John Barclay | Scotland | 24-Sep-1986 | 25(349) |
| 10-Feb-2013 | Jon Welsh | Scotland | 13-Oct-1986 | 26(121) |
| 07-Sep-2012 | Daniel Van Der Merwe | Canada | 28-Apr-1986 | 26(133) |
| 31-Aug-2012 | Peter Murchie | Scotland | 07-Jan-1986 | 26(237) |
| 21-Sep-2012 | Scott Wight | Scotland | 05-Nov-1985 | 26(321) |
| 07-Sep-2012 | Ryan Grant | Scotland | 08-Oct-1985 | 26(335) |
| 07-Sep-2012 | James Eddie | Scotland | 03-Jun-1985 | 27(96) |
| 31-Aug-2012 | Tom Ryder | Scotland | 21-Feb-1985 | 27(191) |
| 07-Sep-2012 | Moray Low | Scotland | 28-Nov-1984 | 27(283) |
| 10-Feb-2013 | Gerwyn Price | Wales | 07-Mar-1985 | 27(340) |
| 31-Aug-2012 | Michael Cusack | England | 11-Jul-1984 | 28(51) |
| 02-Nov-2012 | Troy Nathan | Ireland | 09-Oct-1983 | 29(25) |
| 31-Aug-2012 | Graeme Morrison | Scotland | 17-Oct-1982 | 29(319) |
| 23-Nov-2012 | Ofa Fainga'anuku | Tonga | 05-Dec-1982 | 29(354) |
| 22-Feb-2013 | Edward Kalman | Scotland | 07-Dec-1982 | 30(78) |
| 07-Sep-2012 | Chris Cusiter | Scotland | 13-Jun-1982 | 30(87) |
| 10-Feb-2013 | Rory Lamont | Scotland | 10-Oct-1982 | 30(124) |
| 31-Aug-2012 | Alastair Kellock | Scotland | 14-Jun-1981 | 31(78) |
| 31-Aug-2012 | Sean Lamont | Scotland | 15-Jan-1981 | 31(228) |
| 28-Sep-2012 | Angus McDonald | New Zealand | 12-Jan-1981 | 31(260) |
| 14-Sep-2012 | Dougie Hall | Scotland | 24-Sep-1980 | 31(355) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).