| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 28-Apr-2018 | Taufa'ao Filise | Tonga | 26-May-1977 | 40(337) |
| 22-Apr-2023 | Josh Turnbull | Wales | 12-Mar-1984 | 39(41) |
| 05-May-2012 | Maama Molitika | Tonga | 26-Aug-1974 | 37(253) |
| 24-Mar-2018 | Gethin Jenkins | Wales | 17-Nov-1980 | 37(127) |
| 24-Mar-2018 | Matthew Rees | Wales | 09-Dec-1980 | 37(105) |
| 22-Apr-2023 | Reynold Lee-lo | Samoa | 28-Feb-1986 | 37(53) |
| 22-Apr-2012 | Martyn Williams | Wales | 01-Sep-1975 | 36(234) |
| 22-Apr-2023 | Rhys Priestland | Wales | 07-Jan-1987 | 36(105) |
| 03-Jan-2020 | Nick Williams | New Zealand | 02-Dec-1983 | 36(32) |
| 28-Apr-2018 | Damian Welch | Wales | 28-Jul-1982 | 35(275) |
| 31-Oct-2009 | Gareth Thomas | Wales | 25-Jul-1974 | 35(99) |
| 31-Oct-2009 | Darren Morris | Wales | 24-Sep-1974 | 35(38) |
| 24-Mar-2012 | Xavier Rush | New Zealand | 13-Jul-1977 | 34(255) |
| 22-Mar-2021 | Rhys Gill | Wales | 30-Oct-1986 | 34(144) |
| 18-Feb-2023 | Dimitri Arhip | Moldova | 12-Nov-1988 | 34(98) |
| 06-Mar-2009 | Jason Spice | New Zealand | 07-Dec-1974 | 34(90) |
| 16-May-2015 | Adam Jones | Wales | 08-Mar-1981 | 34(69) |
| 22-Apr-2023 | Jason Harries | Wales | 14-Feb-1989 | 34(67) |
| 01-Oct-2011 | Deinol Jones | Wales | 18-Nov-1977 | 33(317) |
| 24-Mar-2012 | Dan Parks | Scotland | 26-May-1978 | 33(303) |
| 01-Dec-2018 | Samu Manoa | United States | 05-Mar-1985 | 33(271) |
| 03-Mar-2012 | Paul Tito | New Zealand | 09-Jun-1978 | 33(268) |
| 04-Mar-2023 | Kristian Dacey | Wales | 25-Jul-1989 | 33(222) |
| 06-May-2017 | Jarrad Hoeata | New Zealand | 12-Dec-1983 | 33(146) |
| 24-Mar-2023 | Lloyd Williams | Wales | 30-Nov-1989 | 33(114) |
| 23-Mar-2013 | Ceri Sweeney | Wales | 21-Jan-1980 | 33(62) |
| 22-Apr-2012 | Ben Blair | New Zealand | 26-Mar-1979 | 33(28) |
| 18-Mar-2016 | Salesi Ma'afu | Australia | 22-Mar-1983 | 32(362) |
| 06-May-2011 | Gareth Williams | Wales | 16-Jul-1978 | 32(294) |
| 06-Mar-2016 | Manoa Vosawai | Italy | 12-Aug-1983 | 32(207) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).