| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 10-Jun-2017 | Tom Curry | England | 15-Jun-1998 | 18(361) |
| 17-Jun-2017 | Sam Underhill | England | 22-Jul-1996 | 20(330) |
| 10-Jun-2017 | Charlie Ewels | England | 29-Jun-1995 | 21(347) |
| 10-Jun-2017 | Ellis Genge | England | 16-Feb-1995 | 22(115) |
| 12-Nov-2016 | George Ford | England | 16-Mar-1993 | 23(241) |
| 10-Jun-2017 | Alex Lozowski | England | 30-Jun-1993 | 23(345) |
| 12-Nov-2016 | Billy Vunipola | England | 03-Nov-1992 | 24(9) |
| 12-Nov-2016 | Elliot Daly | England | 08-Oct-1992 | 24(35) |
| 19-Nov-2016 | Teimana Harrison | England | 05-Sep-1992 | 24(75) |
| 10-Jun-2017 | Henry Slade | England | 19-Mar-1993 | 24(83) |
| 12-Nov-2016 | Marland Yarde | England | 20-Apr-1992 | 24(206) |
| 12-Nov-2016 | Owen Farrell | England | 21-Sep-1991 | 25(53) |
| 03-Dec-2016 | Nathan Hughes | England | 10-Jun-1991 | 25(177) |
| 19-Nov-2016 | Jonathan Joseph | England | 21-May-1991 | 25(183) |
| 12-Nov-2016 | Joe Launchberry | England | 12-Apr-1991 | 25(215) |
| 10-Jun-2017 | Harry Williams | England | 01-Oct-1991 | 25(253) |
| 12-Nov-2016 | Makovina Vunipola | England | 13-Jan-1991 | 25(304) |
| 12-Nov-2016 | Jonny May | England | 01-Apr-1990 | 26(226) |
| 26-Nov-2016 | George Kruis | England | 22-Feb-1990 | 26(278) |
| 17-Jun-2017 | Piers Francis | England | 20-Jun-1990 | 26(363) |
| 12-Nov-2016 | Ben Youngs | England | 05-Sep-1989 | 27(68) |
| 10-Jun-2017 | Mark Wilson | England | 06-Oct-1989 | 27(247) |
| 12-Nov-2016 | Courtney Lawes | England | 23-Feb-1989 | 27(262) |
| 19-Nov-2016 | Alex Goode | England | 07-May-1988 | 28(196) |
| 19-Nov-2016 | Semesa Rokoduguni | England | 28-Aug-1987 | 29(84) |
| 12-Nov-2016 | Dan Cole | England | 09-May-1987 | 29(188) |
| 12-Nov-2016 | Tom Wood | England | 03-Nov-1986 | 30(10) |
| 10-Jun-2017 | Danny Care | England | 02-Jan-1987 | 30(160) |
| 12-Nov-2016 | Chris Robshaw | England | 04-Jun-1986 | 30(162) |
| 12-Nov-2016 | Dylan Hartley | England | 24-Mar-1986 | 30(234) |
| 12-Nov-2016 | Mike Brown | England | 04-Sep-1985 | 31(70) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).