| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 17-Feb-2017 | Salesi Ma'afu | Australia | 22-Mar-1983 | 33(333) |
| 06-May-2017 | John Afoa | New Zealand | 16-Oct-1983 | 33(203) |
| 06-May-2017 | Richard Hibbard | Wales | 13-Dec-1983 | 33(145) |
| 30-Apr-2017 | Jeremy Thrush | New Zealand | 19-Apr-1985 | 32(11) |
| 06-May-2017 | James Hook | Wales | 27-Jun-1985 | 31(313) |
| 26-Feb-2017 | Paul Doran-Jones | England | 02-May-1985 | 31(300) |
| 06-May-2017 | Greig Laidlaw | Scotland | 12-Oct-1985 | 31(207) |
| 30-Apr-2017 | Josh Hohneck | New Zealand | 06-Jan-1986 | 31(115) |
| 30-Apr-2017 | Willi Heinz | England | 24-Nov-1986 | 30(158) |
| 06-May-2017 | Mariano Galarza | Argentina | 11-Dec-1986 | 30(147) |
| 07-Apr-2017 | Motu Matu'u | Samoa | 30-Apr-1987 | 29(343) |
| 30-Apr-2017 | Tevita Halaifonua | Tonga | 05-Jul-1987 | 29(300) |
| 07-Apr-2017 | Sione Kalamafoni | Tonga | 18-May-1988 | 28(324) |
| 06-May-2017 | Billy Twelvetrees | England | 15-Nov-1988 | 28(172) |
| 06-May-2017 | Ben Morgan | England | 18-Feb-1989 | 28(77) |
| 06-May-2017 | Tom Savage | England | 18-Apr-1989 | 28(18) |
| 30-Apr-2017 | Henry Trinder | England | 14-Apr-1989 | 28(16) |
| 06-May-2017 | Paddy McAllister | Ireland | 20-Jul-1989 | 27(290) |
| 06-May-2017 | Charles Sharples | England | 17-Aug-1989 | 27(262) |
| 30-Apr-2017 | Jacob Rowan | England | 14-Jan-1990 | 27(106) |
| 06-May-2017 | Mark Atkinson | England | 08-Mar-1990 | 27(59) |
| 06-May-2017 | Jonny May | England | 01-Apr-1990 | 27(35) |
| 04-Mar-2017 | Yann Thomas | England | 16-Apr-1990 | 26(323) |
| 15-Apr-2017 | Tom Marshall | New Zealand | 05-Jul-1990 | 26(285) |
| 06-May-2017 | Matt Scott | Scotland | 30-Sep-1990 | 26(219) |
| 24-Mar-2017 | Andy Symons | England | 29-Jun-1991 | 25(269) |
| 27-Dec-2016 | Gareth Evans | England | 19-Sep-1991 | 25(100) |
| 01-Jan-2017 | Matt Kvesic | England | 14-Apr-1992 | 24(262) |
| 06-May-2017 | Freddie Clarke | England | 10-Oct-1992 | 24(208) |
| 16-Sep-2016 | Joe Latta | New Zealand | 07-Apr-1992 | 24(162) |
| 15-Apr-2017 | Callum Braley | Italy | 23-Mar-1994 | 23(23) |
| 30-Apr-2017 | Ross Moriarty | Wales | 18-Apr-1994 | 23(12) |
| 30-Apr-2017 | Billy Burns | Ireland | 13-Jun-1994 | 22(322) |
| 11-Feb-2017 | Henry Purdy | England | 21-May-1994 | 22(267) |
| 06-May-2017 | Lewis Ludlow | England | 11-Sep-1994 | 22(238) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).