| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 12-Dec-2020 | John Afoa | New Zealand | 16-Oct-1983 | 37(58) |
| 20-Dec-2020 | Siale Piutau | Tonga | 13-Oct-1985 | 35(69) |
| 04-Apr-2021 | David Attwood | England | 05-Apr-1987 | 33(365) |
| 04-Apr-2021 | Alapati Leiua | Samoa | 21-Sep-1988 | 32(195) |
| 04-Apr-2021 | Luke Morahan | Australia | 13-Apr-1990 | 30(357) |
| 04-Apr-2021 | Yann Thomas | England | 16-Apr-1990 | 30(354) |
| 20-Dec-2020 | Jake Woolmore | England | 07-Dec-1990 | 30(14) |
| 04-Apr-2021 | Nathan Hughes | England | 10-Jun-1991 | 29(299) |
| 20-Dec-2020 | Steven Luatua | New Zealand | 29-Apr-1991 | 29(236) |
| 20-Dec-2020 | Ratu Naulago | Fiji | 08-Jun-1991 | 29(196) |
| 04-Apr-2021 | Charles Piutau | New Zealand | 31-Oct-1991 | 29(156) |
| 04-Apr-2021 | Semi Radradra | Fiji | 13-Jun-1992 | 28(295) |
| 04-Apr-2021 | Christopher Vui | Samoa | 11-Feb-1993 | 28(52) |
| 04-Apr-2021 | Kyle Sinckler | England | 30-Mar-1993 | 28(5) |
| 04-Apr-2021 | Bryan Byrne | Ireland | 09-Sep-1993 | 27(207) |
| 04-Apr-2021 | Dan Thomas | Wales | 11-Oct-1993 | 27(175) |
| 04-Apr-2021 | Joe Joyce | Ireland | 07-Feb-1994 | 27(56) |
| 04-Apr-2021 | Henry Purdy | England | 21-May-1994 | 26(319) |
| 04-Apr-2021 | Callum Sheedy | Wales | 28-Oct-1995 | 25(159) |
| 20-Dec-2020 | Piers O'Conor | England | 28-Aug-1995 | 25(115) |
| 04-Apr-2021 | Andy Uren | England | 20-Feb-1996 | 25(44) |
| 20-Dec-2020 | Ed Holmes | England | 27-Dec-1995 | 24(359) |
| 20-Dec-2020 | Max Malins | England | 07-Jan-1997 | 23(347) |
| 20-Dec-2020 | Harry Randall | England | 18-Dec-1997 | 23(2) |
| 20-Dec-2020 | Benjamin Earl | England | 07-Jan-1998 | 22(348) |
| 20-Dec-2020 | Ioan Lloyd | Wales | 05-Apr-2001 | 19(259) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).