| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 06-May-2017 | Donncha O'Callaghan | Ireland | 24-Mar-1979 | 38(44) |
| 06-May-2017 | Phil Dowson | England | 01-Oct-1981 | 35(218) |
| 06-May-2017 | Wynard Olivier | South Africa | 11-Jun-1983 | 33(330) |
| 18-Feb-2017 | Alafoti Faosilivia | Samoa | 28-Oct-1985 | 31(113) |
| 17-Sep-2016 | James Johnston | Samoa | 06-Mar-1986 | 30(196) |
| 29-Oct-2016 | Ryan Lamb | England | 18-May-1986 | 30(165) |
| 06-May-2017 | Ben Te'o | England | 27-Jan-1987 | 30(100) |
| 06-May-2017 | Dewald Potgieter | South Africa | 22-Feb-1987 | 30(74) |
| 06-May-2017 | Chris Pennell | England | 26-Apr-1987 | 30(11) |
| 18-Feb-2017 | Jaba Bregvadze | Georgia | 23-Apr-1987 | 29(302) |
| 07-Jan-2017 | Cooper Vuna | Australia | 05-Jul-1987 | 29(187) |
| 26-Dec-2016 | Naama Leleimalefaga | Samoa | 20-Nov-1987 | 29(37) |
| 06-May-2017 | Francois Hougaard | South Africa | 06-Apr-1988 | 29(30) |
| 03-Sep-2016 | Tevita Cavubati | Fiji | 12-Aug-1987 | 29(23) |
| 15-Apr-2017 | Jackson Willison | New Zealand | 05-Sep-1988 | 28(222) |
| 03-Sep-2016 | Gerrit-Jan van Velze | South Africa | 21-Feb-1988 | 28(195) |
| 06-May-2017 | Bryce Heem | New Zealand | 18-Jan-1989 | 28(108) |
| 04-Dec-2016 | John Arr | England | 29-Nov-1988 | 28(5) |
| 07-Jan-2017 | Darren Barry | England | 02-Feb-1990 | 26(340) |
| 28-Apr-2017 | Sam Lewis | Wales | 11-Nov-1990 | 26(169) |
| 06-May-2017 | Ryan Bower | England | 25-Feb-1991 | 26(71) |
| 05-Mar-2017 | Niall Annett | Ireland | 07-May-1991 | 25(303) |
| 06-May-2017 | Marko Mama | England | 23-Jul-1991 | 25(288) |
| 26-Nov-2016 | Carl Kirwan | England | 21-Mar-1991 | 25(251) |
| 07-Apr-2017 | Nick Schonert | South Africa | 20-Sep-1991 | 25(200) |
| 06-May-2017 | Will Spencer | England | 30-May-1992 | 24(341) |
| 06-May-2017 | Ryan Mills | England | 30-May-1992 | 24(341) |
| 07-Jan-2017 | Michael Dowsett | Australia | 23-Mar-1992 | 24(290) |
| 02-Oct-2016 | Tom Heathcote | Scotland | 11-Feb-1992 | 24(234) |
| 06-May-2017 | Joe Taufete'e | United States | 04-Oct-1992 | 24(214) |
| 28-Apr-2017 | Val Ruskin | Georgia | 12-Oct-1992 | 24(198) |
| 07-Jan-2017 | Dean Hammond | South Africa | 09-Jul-1992 | 24(182) |
| 28-Apr-2017 | Christopher Vui | Samoa | 11-Feb-1993 | 24(76) |
| 26-Dec-2016 | Christian Scotland-Williamson | England | 05-Jul-1993 | 23(174) |
| 28-Apr-2017 | Biyi Alo | England | 16-Mar-1994 | 23(43) |
| 06-May-2017 | Perry Humphreys | England | 17-Oct-1994 | 22(202) |
| 15-Apr-2017 | Josh Adams | Wales | 21-Apr-1995 | 21(360) |
| 11-Feb-2017 | Jack Singleton | England | 14-May-1995 | 21(274) |
| 06-May-2017 | Gareth Milasinovich | England | 15-Dec-1995 | 21(143) |
| 26-Nov-2016 | Andrew Kitchener | England | 15-Jul-1996 | 20(134) |
| 07-Jan-2017 | James Shillcock | England | 01-Aug-1997 | 19(159) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).