| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 29-May-2021 | Jeremy Williams | Australia | 02-Dec-2000 | 20(178) |
| 14-May-2021 | Gus Bell | Australia | 04-Oct-2000 | 20(222) |
| 14-May-2021 | Mark Nawaqanitawase | Australia | 11-Sep-2000 | 20(245) |
| 14-May-2021 | Will Harris | Australia | 08-Jun-2000 | 20(340) |
| 05-Jun-2021 | Carlo Tizzano | Australia | 02-Feb-2000 | 21(124) |
| 14-May-2021 | Max Douglas | Australia | 01-Jan-2000 | 21(134) |
| 22-May-2021 | Will Harrison | Australia | 30-Jul-1999 | 21(297) |
| 05-Jun-2021 | Darcy Breen | Australia | 28-Apr-1999 | 22(39) |
| 14-May-2021 | Ben Donaldson | Australia | 04-Apr-1999 | 22(41) |
| 12-Jun-2021 | James Ramm | Australia | 30-Apr-1998 | 23(43) |
| 14-May-2021 | Izaia Perese | Australia | 17-May-1997 | 23(362) |
| 12-Jun-2021 | Tom Horton | Australia | 18-Apr-1997 | 24(55) |
| 14-May-2021 | Harry Johnson-Holmes | Australia | 02-Mar-1997 | 24(73) |
| 14-May-2021 | Jack Maddocks | Australia | 05-Feb-1997 | 24(98) |
| 14-May-2021 | Lachlan Swinton | Australia | 16-Jan-1997 | 24(118) |
| 14-May-2021 | Charlie Gamble | Australia | 25-Apr-1996 | 25(19) |
| 12-Jun-2021 | Vunipola Fifita | Tonga | 28-Feb-1996 | 25(105) |
| 12-Jun-2021 | Rahboni Warren-Vosayaco | Japan | 28-Sep-1995 | 25(258) |
| 14-May-2021 | Alex Newsome | Australia | 20-Jan-1995 | 26(115) |
| 14-May-2021 | Lalakai Foketi | Australia | 22-Dec-1994 | 26(144) |
| 29-May-2021 | Jack Dempsey | Scotland | 12-Apr-1994 | 27(47) |
| 12-Jun-2021 | Jack Grant | Australia | 24-Jan-1994 | 27(139) |
| 14-May-2021 | Jake Gordon | Australia | 06-Jul-1993 | 27(312) |
| 14-May-2021 | Dave Porecki | Australia | 23-Oct-1992 | 28(203) |
| 14-May-2021 | Hugh Sinclair | Australia | 22-Sep-1992 | 28(234) |
| 29-May-2021 | Jack Whetton | New Zealand | 24-May-1992 | 29(5) |
| 05-Jun-2021 | Andrew Tuala | Samoa | 09-Mar-1991 | 30(89) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).