| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 21-Jan-2018 | Rory Best | Ireland | 15-Aug-1982 | 35(160) |
| 10-Dec-2017 | Tommy Bowe | Ireland | 22-Feb-1984 | 33(292) |
| 15-Dec-2017 | Chris Henry | Ireland | 17-Oct-1984 | 33(59) |
| 22-Oct-2017 | Andrew Trimble | Ireland | 20-Oct-1984 | 33(2) |
| 13-Oct-2017 | Jean Roy Deysel | South Africa | 05-Mar-1985 | 32(222) |
| 22-Oct-2017 | Paul Marshall | Ireland | 26-Jul-1985 | 32(88) |
| 13-Oct-2017 | Robert Diack | Ireland | 12-Nov-1985 | 31(336) |
| 13-Jan-2018 | Callum Black | England | 25-Feb-1986 | 31(323) |
| 21-Jan-2018 | Louis Ludik | South Africa | 08-Oct-1986 | 31(105) |
| 21-Jan-2018 | Darren Cave | Ireland | 05-Apr-1987 | 30(292) |
| 21-Jan-2018 | Christian Lealiifano | Australia | 24-Sep-1987 | 30(120) |
| 15-Dec-2017 | Wiehahn Herbst | South Africa | 05-Jul-1988 | 29(163) |
| 21-Jan-2018 | Rodney Ah You | Ireland | 27-Oct-1988 | 29(86) |
| 21-Jan-2018 | Sean Reidy | Ireland | 10-May-1989 | 28(256) |
| 21-Jan-2018 | John Cooney | Ireland | 01-May-1990 | 27(265) |
| 15-Dec-2017 | Robert Herring | Ireland | 27-Apr-1990 | 27(232) |
| 13-Jan-2018 | Craig Gilroy | Ireland | 11-Mar-1991 | 26(309) |
| 13-Oct-2017 | Luke Marshall | Ireland | 03-Mar-1991 | 26(225) |
| 21-Jan-2018 | Charles Piutau | New Zealand | 31-Oct-1991 | 26(83) |
| 21-Jan-2018 | Kyle McCall | Ireland | 02-Jan-1992 | 26(20) |
| 21-Jan-2018 | Iain Henderson | Ireland | 21-Feb-1992 | 25(335) |
| 21-Jan-2018 | Stuart McCloskey | Ireland | 06-Aug-1992 | 25(168) |
| 21-Jan-2018 | Alan O'Connor | Ireland | 10-Sep-1992 | 25(133) |
| 13-Jan-2018 | Matthew Rea | Ireland | 21-Sep-1993 | 24(114) |
| 21-Jan-2018 | Nick Timoney | Ireland | 08-Jan-1995 | 23(13) |
| 21-Jan-2018 | Kieran Treadwell | England | 16-Nov-1995 | 22(67) |
| 21-Jan-2018 | Jacob Stockdale | Ireland | 03-Apr-1996 | 21(293) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).