| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 21-Mar-2015 |  Mauro Bergamasco | Italy | Italy | 01-May-1979 | 35(325) |
| 21-Mar-2015 |  Paul O'Connell | Ireland | Ireland | 20-Oct-1979 | 35(153) |
| 21-Mar-2015 | Mike Ross | Ireland | Ireland | 21-Dec-1979 | 35(91) |
| 21-Mar-2015 |  Nicolas Mas | France | France | 25-May-1980 | 34(300) |
| 14-Feb-2015 | Marco Bortolami | Italy | Italy | 12-Jun-1980 | 34(247) |
| 21-Mar-2015 |  Euan Murray | Scotland | Scotland | 07-Aug-1980 | 34(226) |
| 14-Feb-2015 | Pascal Pape | France | France | 05-Oct-1980 | 34(132) |
| 14-Mar-2015 |  Gethin Jenkins | Wales | Wales | 17-Nov-1980 | 34(117) |
| 28-Feb-2015 | Sean Lamont | Scotland | Scotland | 15-Jan-1981 | 34(44) |
| 15-Mar-2015 | Matias Aguero | Italy | Italy | 13-Feb-1981 | 34(30) |
| 21-Mar-2015 | Andrea Masi | Italy | Italy | 30-Mar-1981 | 33(356) |
| 21-Mar-2015 | Vincent Debaty | France | France | 02-Oct-1981 | 33(170) |
| 21-Mar-2015 | Martin Castrogiovanni | Italy | Italy | 21-Oct-1981 | 33(151) |
| 21-Mar-2015 | Thierry Dussautoir | France | France | 18-Nov-1981 | 33(123) |
| 21-Mar-2015 | Rory Best | Ireland | Ireland | 15-Aug-1982 | 32(218) |
| 21-Mar-2015 | Michele Rizzo | Italy | Italy | 16-Sep-1982 | 32(186) |
| 21-Mar-2015 | James Hamilton | Scotland | Scotland | 17-Nov-1982 | 32(124) |
| 15-Feb-2015 | Geoff Cross | Scotland | Scotland | 11-Dec-1982 | 32(66) |
| 21-Mar-2015 | Luke Charteris | Wales | Wales | 09-Mar-1983 | 32(12) |
| 21-Mar-2015 | Robert Kearney | Ireland | Ireland | 26-Mar-1983 | 31(360) |
| 07-Feb-2015 | Alexandre Menini | France | France | 05-Aug-1983 | 31(186) |
| 15-Mar-2015 | Sergio Parisse | Italy | Italy | 12-Sep-1983 | 31(184) |
| 14-Mar-2015 | Alasdair Dickinson | Scotland | Scotland | 11-Sep-1983 | 31(184) |
| 21-Mar-2015 |  Geoffrey Parling | England | England | 28-Oct-1983 | 31(144) |
| 21-Mar-2015 | James Heaslip | Ireland | Ireland | 15-Dec-1983 | 31(96) |
| 15-Feb-2015 | Richard Hibbard | Wales | Wales | 13-Dec-1983 | 31(65) |
| 21-Mar-2015 | Tommy Bowe | Ireland | Ireland | 22-Feb-1984 | 31(28) |
| 07-Feb-2015 | Alessandro Zanni | Italy | Italy | 31-Jan-1984 | 31(7) |
| 21-Mar-2015 | Ross Ford | Scotland | Scotland | 23-Apr-1984 | 30(332) |
| 21-Mar-2015 | Leonardo Ghiraldini | Italy | Italy | 26-Dec-1984 | 30(85) |
| 21-Mar-2015 | James Haskell | England | England | 02-Apr-1985 | 29(353) |
| 21-Mar-2015 | Sebastien Tillous Borde | France | France | 29-Apr-1985 | 29(326) |
| 21-Mar-2015 | Jonathan Sexton | Ireland | Ireland | 11-Jul-1985 | 29(253) |
| 21-Mar-2015 | Maxime Mermoz | France | France | 28-Jul-1985 | 29(236) |
| 21-Mar-2015 | Mike Brown | England | England | 04-Sep-1985 | 29(198) |
| 21-Mar-2015 | Alan Wyn Jones | Wales | Wales | 19-Sep-1985 | 29(183) |
| 21-Mar-2015 | George Fabio Biagi | Italy | Italy | 04-Oct-1985 | 29(168) |
| 21-Mar-2015 | Ryan Grant | Scotland | Scotland | 08-Oct-1985 | 29(164) |
| 21-Mar-2015 | Greig Laidlaw | Scotland | Scotland | 12-Oct-1985 | 29(160) |
| 21-Mar-2015 | Jared Payne | Ireland | Ireland | 13-Oct-1985 | 29(159) |
| 28-Feb-2015 | John Beattie | Scotland | Scotland | 21-Nov-1985 | 29(99) |
| 28-Feb-2015 | Damien Chouly | France | France | 27-Nov-1985 | 29(93) |
| 21-Mar-2015 | Dylan Hartley | England | England | 24-Mar-1986 | 28(362) |
| 21-Mar-2015 | Blair Cowan | Scotland | Scotland | 21-Apr-1986 | 28(334) |
| 21-Mar-2015 | Scott Spedding | France | France | 04-May-1986 | 28(321) |
| 21-Mar-2015 | Aaron Jarvis | Wales | Wales | 20-May-1986 | 28(305) |
| 21-Mar-2015 | Chris Robshaw | England | England | 04-Jun-1986 | 28(290) |
| 21-Mar-2015 | Guilhem Guirado | France | France | 17-Jun-1986 | 28(277) |
| 21-Mar-2015 | Devin Toner | Ireland | Ireland | 29-Jun-1986 | 28(265) |
| 21-Mar-2015 | Kelly Haimona | Italy | Italy | 30-Jun-1986 | 28(264) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).