| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 30-May-2015 |  Paul O'Connell | Munster | Ireland | 20-Oct-1979 | 35(223) |
| 30-May-2015 | BJ Botha | Munster | South Africa | 04-Jan-1980 | 35(147) |
| 30-May-2015 |  Dougie Hall | Glasgow Warriors | Scotland | 24-Sep-1980 | 34(248) |
| 22-May-2015 | Alastair Kellock | Glasgow Warriors | Scotland | 14-Jun-1981 | 33(342) |
| 22-May-2015 |  Roger Wilson | Ulster | Ireland | 21-Sep-1981 | 33(243) |
| 30-May-2015 | Eusebio Guinazu | Munster | Argentina | 15-Jan-1982 | 33(135) |
| 22-May-2015 | Rory Best | Ulster | Ireland | 15-Aug-1982 | 32(280) |
| 30-May-2015 | Donnacha Ryan | Munster | Ireland | 11-Dec-1983 | 31(170) |
| 22-May-2015 | Tommy Bowe | Ulster | Ireland | 22-Feb-1984 | 31(89) |
| 22-May-2015 | Rhian Pienaar | Ulster | South Africa | 10-Mar-1984 | 31(73) |
| 22-May-2015 | Lewis Stevenson | Ulster | Ireland | 01-Jun-1984 | 30(355) |
| 30-May-2015 | Dennis Hurley | Munster | Ireland | 15-Jul-1984 | 30(319) |
| 22-May-2015 | Chris Henry | Ulster | Ireland | 17-Oct-1984 | 30(217) |
| 30-May-2015 | Andrew Smith | Munster | Australia | 10-Jan-1985 | 30(140) |
| 22-May-2015 | Daniel Tuohy | Ulster | Ireland | 18-Jun-1985 | 29(338) |
| 30-May-2015 | Billy Holland | Munster | Ireland | 03-Aug-1985 | 29(300) |
| 23-May-2015 | Alan Wyn Jones | Ospreys | Wales | 19-Sep-1985 | 29(246) |
| 22-May-2015 | Ryan Grant | Glasgow Warriors | Scotland | 08-Oct-1985 | 29(226) |
| 22-May-2015 | Jared Payne | Ulster | Ireland | 13-Oct-1985 | 29(221) |
| 22-May-2015 | Callum Black | Ulster | England | 25-Feb-1986 | 29(86) |
| 22-May-2015 | Richard Lutton | Ulster | England | 26-Feb-1986 | 29(85) |
| 30-May-2015 | Duncan Williams | Munster | Ireland | 17-Apr-1986 | 29(43) |
| 30-May-2015 | Daniel Van Der Merwe | Glasgow Warriors | Canada | 28-Apr-1986 | 29(32) |
| 22-May-2015 | Louis Ludik | Ulster | South Africa | 08-Oct-1986 | 28(226) |
| 30-May-2015 | Joshua Strauss | Glasgow Warriors | Scotland | 23-Oct-1986 | 28(219) |
| 30-May-2015 | Gordon Reid | Glasgow Warriors | Scotland | 04-Mar-1987 | 28(87) |
| 30-May-2015 | Ian Keatley | Munster | Ireland | 01-Apr-1987 | 28(59) |
| 22-May-2015 | Darren Cave | Ulster | Ireland | 05-Apr-1987 | 28(47) |
| 30-May-2015 | Richard Vernon | Glasgow Warriors | Scotland | 07-Jul-1987 | 27(327) |
| 30-May-2015 | Felix Jones | Munster | Ireland | 15-Aug-1987 | 27(288) |
| 30-May-2015 | Keith Earls | Munster | Ireland | 02-Oct-1987 | 27(240) |
| 23-May-2015 | Dan Lydiatt | Ospreys | Wales | 18-Dec-1987 | 27(156) |
| 23-May-2015 | Stephen Archer | Munster | Ireland | 29-Jan-1988 | 27(114) |
| 30-May-2015 | Leone Nakarawa | Glasgow Warriors | Fiji | 02-Apr-1988 | 27(57) |
| 30-May-2015 | Tommy Seymour | Glasgow Warriors | Scotland | 01-Jul-1988 | 26(333) |
| 23-May-2015 | Scott Baldwin | Ospreys | Wales | 12-Jul-1988 | 26(315) |
| 23-May-2015 | Dimitri Arhip | Ospreys | Moldova | 12-Nov-1988 | 26(192) |
| 23-May-2015 | Daniel Evans | Ospreys | Wales | 15-Nov-1988 | 26(189) |
| 30-May-2015 | Dave Kilcoyne | Munster | Ireland | 14-Dec-1988 | 26(167) |
| 23-May-2015 | Rhys Webb | Ospreys | Wales | 09-Dec-1988 | 26(165) |
| 22-May-2015 | Nikola Matawalu | Glasgow Warriors | Fiji | 08-Mar-1989 | 26(75) |
| 23-May-2015 | Conor Murray | Munster | Ireland | 20-Apr-1989 | 26(33) |
| 30-May-2015 | Ryan Wilson | Glasgow Warriors | Scotland | 18-May-1989 | 26(12) |
| 22-May-2015 | Fraser Brown | Glasgow Warriors | Scotland | 20-Jun-1989 | 25(336) |
| 22-May-2015 | Paul Jackson | Ulster | Ireland | 24-Jun-1989 | 25(332) |
| 30-May-2015 | Henry Pyrgos | Glasgow Warriors | Scotland | 09-Jul-1989 | 25(325) |
| 22-May-2015 | Chris Fusaro | Glasgow Warriors | Scotland | 21-Jul-1989 | 25(305) |
| 23-May-2015 | Justin Tipuric | Ospreys | Wales | 06-Aug-1989 | 25(290) |
| 30-May-2015 | Roussouw De Klerk | Glasgow Warriors | South Africa | 21-Aug-1989 | 25(282) |
| 23-May-2015 | Peter O'Mahony | Munster | Ireland | 17-Sep-1989 | 25(248) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).