| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 15-May-2021 | Tom Lambert | Scotland | 20-Nov-2000 | 20(176) |
| 24-Apr-2021 | Rufus McLean | Scotland | 02-Mar-2000 | 21(53) |
| 15-May-2021 | Rory Darge | Scotland | 23-Feb-2000 | 21(82) |
| 24-Apr-2021 | Cole Forbes | New Zealand | 10-Aug-1999 | 21(258) |
| 24-Apr-2021 | Ross Thompson | Scotland | 10-Apr-1999 | 22(15) |
| 15-May-2021 | Matt Fagerson | Scotland | 16-Jul-1998 | 22(304) |
| 07-May-2021 | Stafford McDowell | Scotland | 24-Feb-1998 | 23(72) |
| 07-May-2021 | Thomas Gordon | Scotland | 30-Jan-1997 | 24(97) |
| 07-May-2021 | Scott Cummings | Scotland | 03-Dec-1996 | 24(155) |
| 15-May-2021 | Adam Hastings | Scotland | 05-Oct-1996 | 24(222) |
| 24-Apr-2021 | Zander Fagerson | Scotland | 19-Jan-1996 | 25(96) |
| 24-Apr-2021 | George Horne | Scotland | 12-May-1995 | 25(348) |
| 15-May-2021 | Enrique Pieretto | Argentina | 14-Dec-1994 | 26(153) |
| 24-Apr-2021 | Kyle Steyn | Scotland | 29-Jan-1994 | 27(85) |
| 24-Apr-2021 | Sam Johnson | Scotland | 19-Jun-1993 | 27(309) |
| 07-May-2021 | Ali Price | Scotland | 12-May-1993 | 27(360) |
| 29-May-2021 | Aki Seiuli | Samoa | 22-Dec-1992 | 28(158) |
| 24-Apr-2021 | Nick Grigg | Scotland | 18-Sep-1992 | 28(218) |
| 24-Apr-2021 | Oli Kebble | Scotland | 18-Jun-1992 | 28(310) |
| 24-Apr-2021 | Fotu Lokotui | Tonga | 19-Mar-1992 | 29(36) |
| 07-May-2021 | Ratu Tagive | Australia | 08-Apr-1991 | 30(30) |
| 24-Apr-2021 | George Turner | Scotland | 03-Jan-1991 | 30(112) |
| 24-Apr-2021 | Robert Harley | Scotland | 26-May-1990 | 30(334) |
| 24-Apr-2021 | Richie Gray | Scotland | 24-Aug-1989 | 31(244) |
| 24-Apr-2021 | Fraser Brown | Scotland | 20-Jun-1989 | 31(308) |
| 24-Apr-2021 | Ryan Wilson | Scotland | 18-May-1989 | 31(342) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).