| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 17-May-2017 |  Daniel Hobbs-Awoyemi | London Irish | England | 07-Mar-1994 | 23(71) |
| 17-May-2017 |  Peter Lucock | Leeds Tykes | England | 27-Nov-1992 | 24(171) |
| 17-May-2017 | Thomas Bell | London Irish | England | 11-Nov-1992 | 24(187) |
| 17-May-2017 | Jonah Holmes | Leeds Tykes | Wales | 24-Jul-1992 | 24(297) |
| 17-May-2017 | Chris Elder | Leeds Tykes | England | 12-Jun-1992 | 24(339) |
| 17-May-2017 | Ben West | Leeds Tykes | England | 19-Jan-1992 | 25(119) |
| 17-May-2017 | Alex Lewington | London Irish | England | 20-Sep-1991 | 25(240) |
| 17-May-2017 | Oliver Stedman | Leeds Tykes | England | 20-May-1991 | 25(363) |
| 17-May-2017 | Joe Ford | Leeds Tykes | England | 04-Jun-1990 | 26(348) |
| 17-May-2017 | Tom Casson | Leeds Tykes | England | 06-Apr-1990 | 27(41) |
| 17-May-2017 | Sebastian de Chaves | London Irish | South Africa | 30-Jan-1990 | 27(107) |
| 17-May-2017 | Matthew Smith | Leeds Tykes | England | 26-Oct-1989 | 27(203) |
| 17-May-2017 | Sebastian Stegmann | Leeds Tykes | England | 12-Apr-1989 | 28(35) |
| 17-May-2017 | James Marshall | London Irish | New Zealand | 07-Dec-1988 | 28(161) |
| 17-May-2017 | Sione Faletau | Leeds Tykes | Tonga | 20-Jun-1988 | 28(331) |
| 17-May-2017 | Ryan Burrows | Leeds Tykes | England | 25-Apr-1988 | 29(22) |
| 17-May-2017 | Michael Coman | London Irish | New Zealand | 28-Sep-1987 | 29(232) |
| 17-May-2017 | Charlie Beech | Leeds Tykes | England | 21-Jul-1987 | 29(301) |
| 17-May-2017 | Michael Mayhew | Leeds Tykes | New Zealand | 22-Jan-1987 | 30(116) |
| 17-May-2017 | Fergus Mulchrone | London Irish | England | 23-Dec-1986 | 30(146) |
| 17-May-2017 | Asaeli Tikoirotuma | London Irish | Fiji | 24-Jun-1986 | 30(328) |
| 17-May-2017 | Alex Davies | Leeds Tykes | England | 21-Jun-1986 | 30(331) |
| 24-May-2017 | Mike Myerscough | Leeds Tykes | England | 28-May-1986 | 30(362) |
| 17-May-2017 | Blair Cowan | London Irish | Scotland | 21-Apr-1986 | 31(26) |
| 17-May-2017 | Jebb Sinclair | London Irish | Canada | 08-Apr-1986 | 31(39) |
| 24-May-2017 | Ciarn Hearn | London Irish | Canada | 30-Dec-1985 | 31(146) |
| 17-May-2017 | Brendan McKibbin | London Irish | Australia | 19-Sep-1985 | 31(241) |
| 17-May-2017 | Topsy Ojo | London Irish | England | 28-Jul-1985 | 31(294) |
| 17-May-2017 | Richard Mayhew | Leeds Tykes | England | 24-Jun-1985 | 31(328) |
| 24-May-2017 | Michael Cusack | Leeds Tykes | England | 11-Jul-1984 | 32(317) |
| 17-May-2017 | Ofisa Treviranus | London Irish | Samoa | 31-Mar-1984 | 33(47) |
| 17-May-2017 | Ben Franks | London Irish | New Zealand | 27-Mar-1984 | 33(51) |
| 17-May-2017 | David Paice | London Irish | England | 24-Nov-1983 | 33(175) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).