| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 08-Mar-2019 | Miles Reid | England | 05-Sep-1998 | 20(184) |
| 31-Aug-2018 | Joe Cokanasiga | England | 15-Nov-1997 | 20(289) |
| 29-Sep-2018 | Josh Bayliss | England | 18-Sep-1997 | 21(11) |
| 31-Aug-2018 | Zac Mercer | England | 28-Jun-1997 | 21(64) |
| 29-Sep-2018 | Max Wright | England | 24-May-1997 | 21(128) |
| 22-Sep-2018 | Darren Atkins | England | 11-Feb-1997 | 21(223) |
| 29-Sep-2018 | Max Clarke | England | 03-Oct-1996 | 21(361) |
| 31-Aug-2018 | Sam Underhill | England | 22-Jul-1996 | 22(40) |
| 31-Aug-2018 | Jack Walker | England | 06-May-1996 | 22(117) |
| 08-Sep-2018 | Max Green | England | 13-Feb-1996 | 22(208) |
| 29-Sep-2018 | Charlie Ewels | England | 29-Jun-1995 | 23(92) |
| 08-Mar-2019 | Levi Douglas | England | 01-Sep-1995 | 23(188) |
| 15-Sep-2018 | Tom Ellis | England | 29-Sep-1994 | 23(351) |
| 13-Apr-2019 | Beno Obano | England | 25-Oct-1994 | 24(170) |
| 15-Sep-2018 | Elliot Stooke | England | 10-Sep-1993 | 25(5) |
| 26-Apr-2019 | Anthony Watson | England | 26-Feb-1994 | 25(59) |
| 08-Sep-2018 | Tom Dunn | England | 12-Nov-1992 | 25(300) |
| 31-Aug-2018 | Henry Thomas | Wales | 30-Oct-1991 | 26(306) |
| 02-Dec-2018 | Ruaridh McConnachie | England | 23-Oct-1991 | 27(40) |
| 31-Aug-2018 | Chris Cook | England | 16-Apr-1991 | 27(137) |
| 16-Feb-2019 | Jonathan Joseph | England | 21-May-1991 | 27(271) |
| 31-Aug-2018 | Toby Faletau | Wales | 12-Nov-1990 | 27(292) |
| 08-Sep-2018 | Freddie Burns | England | 13-May-1990 | 28(118) |
| 31-Aug-2018 | Tom Homer | England | 01-Apr-1990 | 28(152) |
| 08-Mar-2019 | Jack Wilson | New Zealand | 02-Dec-1989 | 29(96) |
| 06-Apr-2019 | Max Lahiff | England | 09-Dec-1989 | 29(118) |
| 31-Aug-2018 | Jackson Willison | New Zealand | 05-Sep-1988 | 29(360) |
| 31-Aug-2018 | Nathan Catt | England | 06-Jan-1988 | 30(238) |
| 17-Nov-2018 | Will Chudley | England | 17-Mar-1988 | 30(245) |
| 31-Aug-2018 | Matthew Garvey | England | 23-Oct-1987 | 30(313) |
| 29-Sep-2018 | Paul William Grant | New Zealand | 27-Oct-1987 | 30(338) |
| 31-Aug-2018 | Semesa Rokoduguni | England | 28-Aug-1987 | 31(4) |
| 05-Oct-2018 | Cooper Vuna | Australia | 05-Jul-1987 | 31(93) |
| 31-Aug-2018 | David Attwood | England | 05-Apr-1987 | 31(149) |
| 31-Aug-2018 | Rhys Priestland | Wales | 07-Jan-1987 | 31(236) |
| 31-Aug-2018 | Jamie Roberts | Wales | 08-Nov-1986 | 31(297) |
| 29-Sep-2018 | Jacques van Rooyen | South Africa | 24-Oct-1986 | 31(341) |
| 22-Sep-2018 | Aled Brew | Wales | 09-Aug-1986 | 32(44) |
| 29-Sep-2018 | Francois Louw | South Africa | 15-Jun-1985 | 33(106) |
| 23-Dec-2018 | James Wilson | New Zealand | 07-Jul-1983 | 35(170) |
| 15-Sep-2018 | Luke Charteris | Wales | 09-Mar-1983 | 35(191) |
| 29-Sep-2018 | Anthony Perenise | Samoa | 18-Oct-1982 | 35(347) |
| 02-Dec-2018 | Kahn Fotuali'i | Samoa | 22-May-1982 | 36(194) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).