| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 13-Oct-2012 | Simon Zebo | Ireland | 16-Mar-1990 | 22(212) |
| 08-Dec-2012 | Dave O'Callaghan | Ireland | 12-Jan-1990 | 22(331) |
| 13-Oct-2012 | Sean Dougall | Ireland | 28-Oct-1989 | 22(351) |
| 13-Oct-2012 | Peter O'Mahony | Ireland | 17-Sep-1989 | 23(26) |
| 13-Oct-2012 | Conor Murray | Ireland | 20-Apr-1989 | 23(176) |
| 13-Oct-2012 | Dave Kilcoyne | Ireland | 14-Dec-1988 | 23(303) |
| 21-Oct-2012 | Mike Sherry | Ireland | 18-Jun-1988 | 24(125) |
| 08-Dec-2012 | Keith Earls | Ireland | 02-Oct-1987 | 25(68) |
| 08-Dec-2012 | Felix Jones | Ireland | 15-Aug-1987 | 25(116) |
| 13-Oct-2012 | Ian Keatley | Ireland | 01-Apr-1987 | 25(196) |
| 13-Jan-2013 | Tommy O'Donnell | Ireland | 21-May-1987 | 25(238) |
| 13-Oct-2012 | Billy Holland | Ireland | 03-Aug-1985 | 27(71) |
| 21-Oct-2012 | Dennis Hurley | Ireland | 15-Jul-1984 | 28(98) |
| 13-Oct-2012 | Donnacha Ryan | Ireland | 11-Dec-1983 | 28(307) |
| 13-Oct-2012 | Damian Varley | Ireland | 29-Oct-1983 | 28(350) |
| 16-Dec-2012 | Wian du Preez | South Africa | 30-Oct-1982 | 30(48) |
| 13-Oct-2012 | Casey Laulala | New Zealand | 03-May-1982 | 30(164) |
| 13-Oct-2012 | James Downey | Ireland | 23-Mar-1981 | 31(204) |
| 08-Dec-2012 | James Coughlan | Ireland | 09-Dec-1980 | 31(365) |
| 13-Oct-2012 | BJ Botha | South Africa | 04-Jan-1980 | 32(283) |
| 13-Oct-2012 | Paul O'Connell | Ireland | 20-Oct-1979 | 32(359) |
| 21-Oct-2012 | Donncha O'Callaghan | Ireland | 24-Mar-1979 | 33(212) |
| 13-Oct-2012 | Doug Howlett | New Zealand | 21-Sep-1978 | 34(23) |
| 13-Oct-2012 | Ronan O'Gara | Ireland | 07-Mar-1977 | 35(221) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).