| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 21-Oct-2017 | Harry Mallinder | England | 13-Jun-1996 | 21(130) |
| 09-Dec-2017 | Lewis Ludlam | England | 08-Dec-1995 | 22(2) |
| 15-Oct-2017 | David Ribbans | England | 29-Aug-1995 | 22(48) |
| 21-Oct-2017 | Tom Collins | England | 03-Jul-1994 | 23(110) |
| 17-Dec-2017 | Tom Stephenson | England | 05-May-1994 | 23(226) |
| 21-Oct-2017 | Jamal Ford-Robinson | England | 11-Sep-1993 | 24(40) |
| 15-Oct-2017 | Teimana Harrison | England | 05-Sep-1992 | 25(40) |
| 15-Oct-2017 | George North | Wales | 13-Apr-1992 | 25(185) |
| 20-Jan-2018 | Mitchell Eadie | Scotland | 06-Jul-1992 | 25(198) |
| 17-Dec-2017 | Michael Haywood | England | 10-Nov-1991 | 26(38) |
| 09-Dec-2017 | Francois van Wyk | South Africa | 30-Jul-1991 | 26(133) |
| 15-Oct-2017 | Jamie Gibson | England | 27-Sep-1990 | 27(18) |
| 15-Oct-2017 | Kieran Brookes | England | 29-Aug-1990 | 27(47) |
| 15-Oct-2017 | Piers Francis | England | 20-Jun-1990 | 27(117) |
| 21-Oct-2017 | Nick Groom | South Africa | 21-Feb-1990 | 27(242) |
| 15-Oct-2017 | Alex Waller | England | 14-Feb-1990 | 27(243) |
| 15-Oct-2017 | Jacobus Reinach | South Africa | 07-Feb-1990 | 27(250) |
| 15-Oct-2017 | Ahsee Tuala | Samoa | 23-Aug-1989 | 28(53) |
| 09-Dec-2017 | Rob Horne | Australia | 15-Aug-1989 | 28(116) |
| 15-Oct-2017 | Courtney Lawes | England | 23-Feb-1989 | 28(234) |
| 21-Oct-2017 | Nafi Tuitavake | Tonga | 21-Jan-1989 | 28(273) |
| 13-Jan-2018 | Ken Pisi | Samoa | 24-Feb-1989 | 28(323) |
| 15-Oct-2017 | Luther Burrell | England | 06-Dec-1987 | 29(314) |
| 21-Oct-2017 | Tom Wood | England | 03-Nov-1986 | 30(353) |
| 21-Oct-2017 | Api Ratuniyarawa | Fiji | 11-Jul-1986 | 31(102) |
| 15-Oct-2017 | Dylan Hartley | England | 24-Mar-1986 | 31(205) |
| 15-Oct-2017 | Ben Foden | England | 22-Jul-1985 | 32(85) |
| 15-Oct-2017 | Michael Paterson | New Zealand | 09-May-1985 | 32(159) |
| 13-Jan-2018 | Campese Ma'afu | Fiji | 19-Dec-1984 | 33(25) |
| 15-Oct-2017 | Stephen Myler | England | 21-Jul-1984 | 33(86) |
| 21-Oct-2017 | Christian Day | England | 24-Jun-1983 | 34(120) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).