| SD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 19-May-2017 |  Gary Ringrose | Leinster | Ireland | 26-Jan-1995 | 22(114) |
| 27-May-2017 |  Steffan Evans | Scarlets | Wales | 01-Sep-1994 | 22(269) |
| 27-May-2017 | Rhys Patchell | Scarlets | Wales | 17-May-1993 | 24(10) |
| 19-May-2017 | Jack Conan | Leinster | Ireland | 29-Jul-1992 | 24(294) |
| 27-May-2017 | Tadhg Beirne | Scarlets | Ireland | 01-Aug-1992 | 24(299) |
| 27-May-2017 |  Andrew Conway | Munster | Ireland | 11-Jul-1991 | 25(321) |
| 27-May-2017 | Liam Williams | Scarlets | Wales | 09-Apr-1991 | 26(49) |
| 20-May-2017 | Francis Saili | Munster | New Zealand | 16-Feb-1991 | 26(94) |
| 27-May-2017 | James Davies | Scarlets | Wales | 25-Oct-1990 | 26(215) |
| 27-May-2017 | Gareth Davies | Scarlets | Wales | 18-Aug-1990 | 26(283) |
SD = Scored date ,
DOB = Date of birth ,
A(D) = Age(days) .