| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 10-Dec-2016 | Tom Curry | England | 15-Jun-1998 | 18(179) |
| 15-Oct-2016 | Paolo Odogwu | Italy | 18-Feb-1997 | 19(239) |
| 21-Jan-2017 | George Nott | England | 21-Jan-1996 | 21(1) |
| 10-Dec-2016 | James Mitchell | England | 11-Feb-1995 | 21(303) |
| 15-Oct-2016 | Cameron Neild | England | 06-Sep-1994 | 22(40) |
| 15-Oct-2016 | Sam James | England | 03-Jul-1994 | 22(105) |
| 15-Oct-2016 | Michael Haley | Ireland | 28-Jun-1994 | 22(110) |
| 18-Dec-2016 | Denny Solomona | England | 27-Sep-1993 | 23(82) |
| 21-Oct-2016 | Mark Jennings | England | 27-Feb-1993 | 23(236) |
| 15-Oct-2016 | Ross Harrison | England | 03-Sep-1992 | 24(42) |
| 15-Oct-2016 | Will Addison | England | 20-Aug-1992 | 24(56) |
| 15-Oct-2016 | Joshua Beaumont | England | 24-Mar-1992 | 24(205) |
| 15-Oct-2016 | Dan Mugford | England | 09-Oct-1991 | 25(7) |
| 10-Dec-2016 | Josh Charnley | England | 26-Jun-1991 | 25(168) |
| 10-Dec-2016 | Laurence Pearce | England | 03-Dec-1990 | 26(8) |
| 10-Dec-2016 | AJ MacGinty | United States | 26-Feb-1990 | 26(288) |
| 15-Oct-2016 | Byron McGuigan | Scotland | 20-Apr-1989 | 27(178) |
| 18-Dec-2016 | TJ Ioane | Samoa | 09-May-1989 | 27(223) |
| 21-Oct-2016 | Andrey Ostrikov | Russia | 02-Jul-1987 | 29(112) |
| 10-Dec-2016 | Tom Arscott | England | 25-Jul-1987 | 29(139) |
| 10-Dec-2016 | Rob Webber | England | 01-Aug-1986 | 30(132) |
| 21-Jan-2017 | Kieran Longbottom | Australia | 20-Dec-1985 | 31(33) |
| 15-Oct-2016 | Neil Briggs | England | 01-Jun-1985 | 31(136) |
| 15-Oct-2016 | Bryn Evans | New Zealand | 28-Oct-1984 | 31(352) |
| 15-Oct-2016 | Brian Mujati | South Africa | 28-Sep-1984 | 32(17) |
| 15-Oct-2016 | David Seymour | England | 27-Sep-1984 | 32(18) |
| 15-Oct-2016 | Jonathan Mills | Wales | 12-Feb-1984 | 32(246) |
| 10-Dec-2016 | Johnny Leota | Samoa | 21-Jan-1984 | 32(324) |
| 10-Dec-2016 | Halani Aulika | Tonga | 31-Aug-1983 | 33(102) |
| 21-Oct-2016 | Magnus Lund | England | 25-Jun-1983 | 33(119) |
| 15-Oct-2016 | Mike Phillips | Wales | 29-Aug-1982 | 34(48) |
| 21-Oct-2016 | Peter Stringer | Ireland | 13-Dec-1977 | 38(313) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).