| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 25-Nov-2017 | James Grayson | England | 26-Jun-1998 | 19(152) |
| 02-Sep-2017 | Harry Mallinder | England | 13-Jun-1996 | 21(81) |
| 02-Sep-2017 | Lewis Ludlam | England | 08-Dec-1995 | 21(269) |
| 25-Nov-2017 | Rory Hutchinson | Scotland | 29-Jan-1996 | 21(301) |
| 15-Sep-2017 | David Ribbans | England | 29-Aug-1995 | 22(18) |
| 15-Sep-2017 | Paul Hill | England | 02-Mar-1995 | 22(198) |
| 02-Sep-2017 | Tom Collins | England | 03-Jul-1994 | 23(61) |
| 25-Nov-2017 | Tom Stephenson | England | 05-May-1994 | 23(204) |
| 07-Apr-2018 | Reece Marshall | England | 09-Sep-1994 | 23(210) |
| 25-Nov-2017 | Jamal Ford-Robinson | England | 11-Sep-1993 | 24(75) |
| 09-Sep-2017 | Teimana Harrison | England | 05-Sep-1992 | 25(4) |
| 02-Sep-2017 | Mitchell Eadie | Scotland | 06-Jul-1992 | 25(58) |
| 09-Sep-2017 | George North | Wales | 13-Apr-1992 | 25(149) |
| 15-Sep-2017 | Michael Haywood | England | 10-Nov-1991 | 25(310) |
| 24-Mar-2018 | Ben Nutley | England | 07-Apr-1992 | 25(351) |
| 09-Sep-2017 | Jamie Gibson | England | 27-Sep-1990 | 26(348) |
| 02-Sep-2017 | Kieran Brookes | England | 29-Aug-1990 | 27(4) |
| 07-Oct-2017 | Piers Francis | England | 20-Jun-1990 | 27(109) |
| 02-Sep-2017 | Nick Groom | South Africa | 21-Feb-1990 | 27(193) |
| 02-Sep-2017 | Alex Waller | England | 14-Feb-1990 | 27(200) |
| 07-Oct-2017 | Jacobus Reinach | South Africa | 07-Feb-1990 | 27(242) |
| 02-Sep-2017 | Ahsee Tuala | Samoa | 23-Aug-1989 | 28(10) |
| 09-Sep-2017 | Rob Horne | Australia | 15-Aug-1989 | 28(25) |
| 02-Sep-2017 | Courtney Lawes | England | 23-Feb-1989 | 28(191) |
| 02-Sep-2017 | Nafi Tuitavake | Tonga | 21-Jan-1989 | 28(224) |
| 18-Nov-2017 | Ken Pisi | Samoa | 24-Feb-1989 | 28(267) |
| 14-Apr-2018 | James Craig | England | 08-Nov-1988 | 29(157) |
| 25-Nov-2017 | Juan Pablo Estelles | Argentina | 05-May-1988 | 29(204) |
| 02-Sep-2017 | Luther Burrell | England | 06-Dec-1987 | 29(271) |
| 02-Sep-2017 | Tom Wood | England | 03-Nov-1986 | 30(304) |
| 28-Oct-2017 | Api Ratuniyarawa | Fiji | 11-Jul-1986 | 31(109) |
| 02-Sep-2017 | Dylan Hartley | England | 24-Mar-1986 | 31(162) |
| 17-Feb-2018 | Heinrich Brussouw | South Africa | 21-Jul-1986 | 31(212) |
| 02-Sep-2017 | Ben Foden | England | 22-Jul-1985 | 32(42) |
| 09-Sep-2017 | Michael Paterson | New Zealand | 09-May-1985 | 32(123) |
| 24-Sep-2017 | Sam Dickinson | England | 28-Jan-1985 | 32(239) |
| 23-Dec-2017 | Campese Ma'afu | Fiji | 19-Dec-1984 | 33(4) |
| 18-Nov-2017 | Stephen Myler | England | 21-Jul-1984 | 33(120) |
| 02-Sep-2017 | Christian Day | England | 24-Jun-1983 | 34(71) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).