| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 28-Apr-2018 | John Afoa | New Zealand | 16-Oct-1983 | 34(195) |
| 03-Mar-2018 | Richard Hibbard | Wales | 13-Dec-1983 | 34(81) |
| 05-May-2018 | Jeremy Thrush | New Zealand | 19-Apr-1985 | 33(16) |
| 28-Apr-2018 | Josh Hohneck | New Zealand | 06-Jan-1986 | 32(112) |
| 28-Apr-2018 | Mariano Galarza | Argentina | 11-Dec-1986 | 31(138) |
| 08-Apr-2018 | Willi Heinz | England | 24-Nov-1986 | 31(136) |
| 05-May-2018 | Motu Matu'u | Samoa | 30-Apr-1987 | 31(6) |
| 05-May-2018 | Tevita Halaifonua | Tonga | 05-Jul-1987 | 30(305) |
| 28-Apr-2018 | Ed Slater | England | 01-Aug-1988 | 29(270) |
| 28-Apr-2018 | James Hanson | Australia | 15-Sep-1988 | 29(225) |
| 05-May-2018 | Billy Twelvetrees | England | 15-Nov-1988 | 29(171) |
| 28-Apr-2018 | Ben Morgan | England | 18-Feb-1989 | 29(69) |
| 05-May-2018 | Henry Trinder | England | 14-Apr-1989 | 29(21) |
| 05-May-2018 | Tom Savage | England | 18-Apr-1989 | 29(17) |
| 05-May-2018 | Paddy McAllister | Ireland | 20-Jul-1989 | 28(289) |
| 14-Apr-2018 | Charles Sharples | England | 17-Aug-1989 | 28(240) |
| 28-Apr-2018 | Mark Atkinson | England | 08-Mar-1990 | 28(51) |
| 05-May-2018 | Jason Woodward | New Zealand | 17-May-1990 | 27(353) |
| 28-Apr-2018 | Tom Marshall | New Zealand | 05-Jul-1990 | 27(297) |
| 07-Oct-2017 | Jacob Rowan | England | 14-Jan-1990 | 27(266) |
| 03-Mar-2018 | Matt Scott | Scotland | 30-Sep-1990 | 27(154) |
| 29-Sep-2017 | Gareth Denman | England | 12-Nov-1990 | 26(322) |
| 05-May-2018 | Andy Symons | England | 29-Jun-1991 | 26(311) |
| 05-May-2018 | Fraser Balmain | England | 16-Nov-1991 | 26(171) |
| 08-Apr-2018 | Owen Williams | Wales | 27-Feb-1992 | 26(41) |
| 05-May-2018 | Freddie Clarke | England | 10-Oct-1992 | 25(207) |
| 03-Mar-2018 | Val Ruskin | Georgia | 12-Oct-1992 | 25(142) |
| 28-Apr-2018 | Callum Braley | Italy | 23-Mar-1994 | 24(36) |
| 05-May-2018 | Ross Moriarty | Wales | 18-Apr-1994 | 24(17) |
| 28-Apr-2018 | Billy Burns | Ireland | 13-Jun-1994 | 23(319) |
| 05-May-2018 | Lewis Ludlow | England | 11-Sep-1994 | 23(236) |
| 02-Dec-2017 | Henry Purdy | England | 21-May-1994 | 23(195) |
| 08-Apr-2018 | Tom Hudson | England | 08-Nov-1994 | 23(151) |
| 05-May-2018 | Ben Vellacott | Scotland | 28-Mar-1995 | 23(38) |
| 28-Apr-2018 | Jake Polledri | Italy | 08-Nov-1995 | 22(172) |
| 08-Apr-2018 | Ruan Ackermann | South Africa | 29-Dec-1995 | 22(101) |
| 10-Feb-2018 | Ollie Thorley | England | 11-Sep-1996 | 21(152) |
| 05-May-2018 | Tom Seabrook | England | 15-Feb-1999 | 19(79) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).