| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 19-May-2017 | Joey Carbery | Ireland | 01-Nov-1995 | 21(200) |
| 19-May-2017 | Gary Ringrose | Ireland | 26-Jan-1995 | 22(114) |
| 19-May-2017 | Ross Moloney | Ireland | 11-May-1994 | 23(8) |
| 19-May-2017 | Adam Byrne | Ireland | 10-Apr-1994 | 23(39) |
| 19-May-2017 | Robbie Henshaw | Ireland | 12-Jun-1993 | 23(341) |
| 19-May-2017 | Josh van der Flier | Ireland | 25-Apr-1993 | 24(24) |
| 19-May-2017 | Luke McGrath | Ireland | 03-Feb-1993 | 24(105) |
| 19-May-2017 | Tadhg Furlong | Ireland | 14-Nov-1992 | 24(186) |
| 19-May-2017 | Jack Conan | Ireland | 29-Jul-1992 | 24(294) |
| 19-May-2017 | James Tracy | Ireland | 02-Apr-1991 | 26(48) |
| 19-May-2017 | Rhys Ruddock | Ireland | 13-Oct-1990 | 26(219) |
| 19-May-2017 | Jack McGrath | Ireland | 11-Oct-1989 | 27(220) |
| 19-May-2017 | Jonathan Sexton | Ireland | 11-Jul-1985 | 31(313) |
| 19-May-2017 | Isikeli Nacewa | Fiji | 22-Jul-1982 | 34(302) |
| 19-May-2017 | Hayden Triggs | New Zealand | 22-Feb-1982 | 35(87) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).