| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 09-Jun-2018 | Tom Curry | England | 15-Jun-1998 | 19(359) |
| 09-Jun-2018 | Nicholas Isiekwe | England | 20-Apr-1998 | 20(50) |
| 11-Nov-2017 | Sam Underhill | England | 22-Jul-1996 | 21(112) |
| 25-Nov-2017 | Charlie Ewels | England | 29-Jun-1995 | 22(150) |
| 25-Nov-2017 | Ellis Genge | England | 16-Feb-1995 | 22(283) |
| 25-Nov-2017 | Sam Simmonds | England | 10-Nov-1994 | 23(15) |
| 25-Nov-2017 | Maro Itoje | England | 28-Oct-1994 | 23(28) |
| 11-Nov-2017 | Anthony Watson | England | 26-Feb-1994 | 23(258) |
| 25-Nov-2017 | Alex Lozowski | England | 30-Jun-1993 | 24(148) |
| 11-Nov-2017 | Henry Slade | England | 19-Mar-1993 | 24(237) |
| 11-Nov-2017 | George Ford | England | 16-Mar-1993 | 24(240) |
| 11-Nov-2017 | Elliot Daly | England | 08-Oct-1992 | 25(34) |
| 09-Jun-2018 | Kyle Sinckler | England | 30-Mar-1993 | 25(71) |
| 09-Jun-2018 | Billy Vunipola | England | 03-Nov-1992 | 25(218) |
| 18-Nov-2017 | Owen Farrell | England | 21-Sep-1991 | 26(59) |
| 11-Nov-2017 | Nathan Hughes | England | 10-Jun-1991 | 26(155) |
| 11-Nov-2017 | Jonathan Joseph | England | 21-May-1991 | 26(175) |
| 18-Nov-2017 | Joe Launchberry | England | 12-Apr-1991 | 26(221) |
| 11-Nov-2017 | Makovina Vunipola | England | 13-Jan-1991 | 26(303) |
| 25-Nov-2017 | Jamie George | England | 20-Oct-1990 | 27(36) |
| 16-Jun-2018 | Brad Shields | England | 02-Apr-1991 | 27(75) |
| 18-Nov-2017 | Jonny May | England | 01-Apr-1990 | 27(231) |
| 11-Nov-2017 | George Kruis | England | 22-Feb-1990 | 27(262) |
| 23-Jun-2018 | Joe Marler | England | 07-Jul-1990 | 27(351) |
| 11-Nov-2017 | Ben Youngs | England | 05-Sep-1989 | 28(67) |
| 11-Nov-2017 | Courtney Lawes | England | 23-Feb-1989 | 28(261) |
| 11-Nov-2017 | Dan Cole | England | 09-May-1987 | 30(187) |
| 23-Jun-2018 | Danny Cipriani | England | 02-Nov-1987 | 30(234) |
| 25-Nov-2017 | Danny Care | England | 02-Jan-1987 | 30(328) |
| 11-Nov-2017 | Chris Robshaw | England | 04-Jun-1986 | 31(160) |
| 11-Nov-2017 | Dylan Hartley | England | 24-Mar-1986 | 31(233) |
| 11-Nov-2017 | Mike Brown | England | 04-Sep-1985 | 32(68) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).