| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 17-Sep-2016 | James Shillcock | England | 01-Aug-1997 | 19(47) |
| 26-Nov-2016 | Andrew Kitchener | England | 15-Jul-1996 | 20(134) |
| 06-May-2017 | Gareth Milasinovich | England | 15-Dec-1995 | 21(143) |
| 26-Nov-2016 | Jack Singleton | England | 14-May-1995 | 21(197) |
| 26-Nov-2016 | Josh Adams | Wales | 21-Apr-1995 | 21(220) |
| 17-Sep-2016 | Perry Humphreys | England | 17-Oct-1994 | 21(336) |
| 15-Apr-2017 | Biyi Alo | England | 16-Mar-1994 | 23(30) |
| 26-Dec-2016 | Christian Scotland-Williamson | England | 05-Jul-1993 | 23(174) |
| 03-Sep-2016 | Val Ruskin | Georgia | 12-Oct-1992 | 23(326) |
| 11-Feb-2017 | Christopher Vui | Samoa | 11-Feb-1993 | 24(0) |
| 03-Sep-2016 | Dean Hammond | South Africa | 09-Jul-1992 | 24(56) |
| 18-Nov-2016 | Ryan Mills | England | 30-May-1992 | 24(172) |
| 26-Mar-2017 | Joe Taufete'e | United States | 04-Oct-1992 | 24(173) |
| 17-Sep-2016 | Tom Heathcote | Scotland | 11-Feb-1992 | 24(219) |
| 11-Feb-2017 | Will Spencer | England | 30-May-1992 | 24(257) |
| 26-Dec-2016 | Michael Dowsett | Australia | 23-Mar-1992 | 24(278) |
| 03-Sep-2016 | Nick Schonert | South Africa | 20-Sep-1991 | 24(349) |
| 03-Sep-2016 | Marko Mama | England | 23-Jul-1991 | 25(43) |
| 03-Sep-2016 | Niall Annett | Ireland | 07-May-1991 | 25(120) |
| 17-Sep-2016 | Carl Kirwan | England | 21-Mar-1991 | 25(181) |
| 11-Feb-2017 | Ryan Bower | England | 25-Feb-1991 | 25(352) |
| 04-Dec-2016 | Sam Lewis | Wales | 11-Nov-1990 | 26(24) |
| 03-Sep-2016 | Darren Barry | England | 02-Feb-1990 | 26(214) |
| 03-Sep-2016 | John Arr | England | 29-Nov-1988 | 27(278) |
| 26-Nov-2016 | Bryce Heem | New Zealand | 18-Jan-1989 | 27(312) |
| 03-Sep-2016 | Jackson Willison | New Zealand | 05-Sep-1988 | 27(363) |
| 03-Sep-2016 | Gerrit-Jan van Velze | South Africa | 21-Feb-1988 | 28(195) |
| 11-Feb-2017 | Francois Hougaard | South Africa | 06-Apr-1988 | 28(311) |
| 03-Sep-2016 | Tevita Cavubati | Fiji | 12-Aug-1987 | 29(23) |
| 26-Dec-2016 | Naama Leleimalefaga | Samoa | 20-Nov-1987 | 29(37) |
| 03-Sep-2016 | Cooper Vuna | Australia | 05-Jul-1987 | 29(61) |
| 08-Oct-2016 | Jaba Bregvadze | Georgia | 23-Apr-1987 | 29(169) |
| 29-Oct-2016 | Chris Pennell | England | 26-Apr-1987 | 29(187) |
| 03-Sep-2016 | Ben Te'o | England | 27-Jan-1987 | 29(220) |
| 18-Nov-2016 | Dewald Potgieter | South Africa | 22-Feb-1987 | 29(270) |
| 03-Sep-2016 | Ryan Lamb | England | 18-May-1986 | 30(109) |
| 09-Sep-2016 | James Johnston | Samoa | 06-Mar-1986 | 30(188) |
| 09-Sep-2016 | Alafoti Faosilivia | Samoa | 28-Oct-1985 | 30(317) |
| 03-Sep-2016 | Wynard Olivier | South Africa | 11-Jun-1983 | 33(85) |
| 03-Sep-2016 | Phil Dowson | England | 01-Oct-1981 | 34(338) |
| 09-Sep-2016 | Donncha O'Callaghan | Ireland | 24-Mar-1979 | 37(170) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).