| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 08-Dec-2016 | Ollie Thorley | England | 11-Sep-1996 | 20(88) |
| 15-Oct-2016 | Lewis Ludlow | England | 11-Sep-1994 | 22(35) |
| 22-Oct-2016 | Billy Burns | Ireland | 13-Jun-1994 | 22(132) |
| 22-Oct-2016 | Ross Moriarty | Wales | 18-Apr-1994 | 22(188) |
| 08-Dec-2016 | Henry Purdy | England | 21-May-1994 | 22(202) |
| 17-Dec-2016 | Callum Braley | Italy | 23-Mar-1994 | 22(270) |
| 22-Oct-2016 | Matt Kvesic | England | 14-Apr-1992 | 24(191) |
| 15-Oct-2016 | Joe Latta | New Zealand | 07-Apr-1992 | 24(191) |
| 08-Dec-2016 | Gareth Evans | England | 19-Sep-1991 | 25(81) |
| 21-Jan-2017 | Andy Symons | England | 29-Jun-1991 | 25(207) |
| 15-Oct-2016 | Matt Scott | Scotland | 30-Sep-1990 | 26(16) |
| 15-Oct-2016 | Yann Thomas | England | 16-Apr-1990 | 26(183) |
| 15-Oct-2016 | Jonny May | England | 01-Apr-1990 | 26(198) |
| 21-Jan-2017 | Tom Marshall | New Zealand | 05-Jul-1990 | 26(201) |
| 15-Oct-2016 | Mark Atkinson | England | 08-Mar-1990 | 26(222) |
| 15-Oct-2016 | Jacob Rowan | England | 14-Jan-1990 | 26(275) |
| 22-Oct-2016 | Charles Sharples | England | 17-Aug-1989 | 27(66) |
| 22-Oct-2016 | Paddy McAllister | Ireland | 20-Jul-1989 | 27(94) |
| 15-Oct-2016 | Tom Savage | England | 18-Apr-1989 | 27(180) |
| 15-Oct-2016 | Ben Morgan | England | 18-Feb-1989 | 27(239) |
| 15-Oct-2016 | Billy Twelvetrees | England | 15-Nov-1988 | 27(334) |
| 01-Apr-2017 | Henry Trinder | England | 14-Apr-1989 | 27(352) |
| 15-Oct-2016 | Tevita Halaifonua | Tonga | 05-Jul-1987 | 29(103) |
| 21-Jan-2017 | Darren Dawiduik | England | 21-Sep-1987 | 29(123) |
| 22-Oct-2016 | Motu Matu'u | Samoa | 30-Apr-1987 | 29(176) |
| 15-Oct-2016 | Willi Heinz | England | 24-Nov-1986 | 29(326) |
| 08-Dec-2016 | Josh Hohneck | New Zealand | 06-Jan-1986 | 30(337) |
| 22-Oct-2016 | Greig Laidlaw | Scotland | 12-Oct-1985 | 31(10) |
| 15-Oct-2016 | James Hook | Wales | 27-Jun-1985 | 31(110) |
| 15-Oct-2016 | Paul Doran-Jones | England | 02-May-1985 | 31(167) |
| 17-Dec-2016 | Jeremy Thrush | New Zealand | 19-Apr-1985 | 31(242) |
| 15-Oct-2016 | Richard Hibbard | Wales | 13-Dec-1983 | 32(307) |
| 22-Oct-2016 | John Afoa | New Zealand | 16-Oct-1983 | 33(7) |
| 08-Dec-2016 | Salesi Ma'afu | Australia | 22-Mar-1983 | 33(262) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).