| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 29-Apr-2023 | Charlie Ngatai | New Zealand | 17-Aug-1990 | 32(255) |
| 21-Jan-2023 | Michael Alaalatoa | Samoa | 28-Aug-1991 | 31(146) |
| 20-May-2023 | Jamieson Gibson-Park | Ireland | 10-May-1992 | 31(9) |
| 20-May-2023 | James Lowe | Wales | 08-Jul-1992 | 30(316) |
| 20-May-2023 | Jack Conan | Ireland | 29-Jul-1992 | 30(295) |
| 20-May-2023 | Tadhg Furlong | Ireland | 14-Nov-1992 | 30(187) |
| 20-May-2023 | Josh van der Flier | Ireland | 25-Apr-1993 | 30(25) |
| 20-May-2023 | Robbie Henshaw | Ireland | 12-Jun-1993 | 29(342) |
| 16-Dec-2022 | Luke McGrath | Ireland | 03-Feb-1993 | 29(316) |
| 20-May-2023 | Ross Moloney | Ireland | 11-May-1994 | 29(9) |
| 20-May-2023 | Gary Ringrose | Ireland | 26-Jan-1995 | 28(114) |
| 20-May-2023 | Ross Byrne | Ireland | 08-Apr-1995 | 28(42) |
| 20-May-2023 | Andrew Porter | Ireland | 16-Jan-1996 | 27(124) |
| 10-Dec-2022 | Jason Jenkins | South Africa | 02-Dec-1995 | 27(8) |
| 20-May-2023 | Hugo Keenan | Ireland | 18-Jun-1996 | 26(336) |
| 20-May-2023 | James Ryan | Ireland | 24-Jul-1996 | 26(300) |
| 20-May-2023 | Jimmy O'Brien | Ireland | 27-Nov-1996 | 26(174) |
| 29-Apr-2023 | Jordan Larmour | Ireland | 10-Jun-1997 | 25(323) |
| 20-May-2023 | Caelan Doris | Ireland | 02-Apr-1998 | 25(48) |
| 21-Jan-2023 | Ronan Kelleher | Ireland | 24-Jan-1998 | 24(362) |
| 20-May-2023 | Dan Sheehan | Ireland | 17-Sep-1998 | 24(245) |
| 07-Apr-2023 | Ryan Baird | Ireland | 26-Jul-1999 | 23(255) |
| 21-Jan-2023 | Joe McCarthy | Ireland | 26-Mar-2001 | 21(301) |
| 21-Jan-2023 | Jamie Osborne | Ireland | 16-Nov-2001 | 21(66) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).