| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 18-Jan-2003 | Pieter Rogers | Wales | 23-Jun-1962 | 40(209) |
| 13-Jan-2019 | Matthew Rees | Wales | 09-Dec-1980 | 38(35) |
| 14-Jan-2022 | Josh Turnbull | Wales | 12-Mar-1984 | 37(308) |
| 07-Apr-2012 | Martyn Williams | Wales | 01-Sep-1975 | 36(219) |
| 13-Dec-2013 | Taufa'ao Filise | Tonga | 26-May-1977 | 36(201) |
| 22-Jan-2011 | Maama Molitika | Tonga | 26-Aug-1974 | 36(149) |
| 27-Jan-2001 | Owain Williams | Wales | 10-Oct-1964 | 36(109) |
| 14-Jan-2022 | Reynold Lee-lo | Samoa | 28-Feb-1986 | 35(321) |
| 24-Jan-2010 | Gareth Thomas | Wales | 25-Jul-1974 | 35(184) |
| 15-Dec-2002 | David Young | Wales | 26-Jul-1967 | 35(143) |
| 19-Jan-2019 | Nick Williams | New Zealand | 02-Dec-1983 | 35(49) |
| 07-Apr-2012 | Xavier Rush | New Zealand | 13-Jul-1977 | 34(269) |
| 18-Jan-2003 | Emyr Lewis | Wales | 29-Aug-1968 | 34(142) |
| 27-Nov-1999 | Mike Rayer | Wales | 21-Jul-1965 | 34(129) |
| 11-Apr-2009 | Jason Spice | New Zealand | 07-Dec-1974 | 34(126) |
| 05-Jan-1997 | Jonathan Davies | Wales | 24-Oct-1962 | 34(74) |
| 11-Jan-2003 | Anthony Sullivan | Wales | 23-Nov-1968 | 34(49) |
| 07-Apr-2012 | Dan Parks | Scotland | 26-May-1978 | 33(317) |
| 06-Oct-2001 | Andrew Booth | Wales | 08-Dec-1967 | 33(303) |
| 15-Dec-2018 | Samu Manoa | United States | 05-Mar-1985 | 33(285) |
| 27-Nov-1999 | Gregori Kacala | Poland | 15-Mar-1966 | 33(257) |
| 22-Jan-2012 | Paul Tito | New Zealand | 09-Jun-1978 | 33(227) |
| 16-Jan-2005 | Freddie Tuilagi | Samoa | 09-Jun-1971 | 33(222) |
| 18-Oct-2002 | Pieter Muller | South Africa | 05-May-1969 | 33(166) |
| 09-Dec-2023 | Willis Halaholo | Wales | 06-Jul-1990 | 33(156) |
| 06-Jan-1996 | Mark Ring | Wales | 15-Oct-1962 | 33(83) |
| 22-Jan-2011 | Deinol Jones | Wales | 18-Nov-1977 | 33(65) |
| 14-Jan-2022 | Dimitri Arhip | Moldova | 12-Nov-1988 | 33(63) |
| 11-Jan-2014 | Gethin Jenkins | Wales | 17-Nov-1980 | 33(55) |
| 12-Jan-2002 | Jonathan Humphreys | Wales | 27-Feb-1969 | 32(319) |
| 21-Oct-2012 | Ceri Sweeney | Wales | 21-Jan-1980 | 32(274) |
| 11-Dec-2021 | Jason Tovey | Wales | 28-Apr-1989 | 32(227) |
| 19-Dec-2010 | Gareth Williams | Wales | 16-Jul-1978 | 32(156) |
| 15-Dec-2018 | Rhys Gill | Wales | 30-Oct-1986 | 32(46) |
| 21-Sep-1997 | Steve Ford | Wales | 15-Aug-1965 | 32(37) |
| 31-Jan-2004 | Rob Appleyard | Wales | 09-Jan-1972 | 32(22) |
| 13-Jan-2019 | George Earle | South Africa | 09-Jan-1987 | 32(4) |
| 13-Jan-2019 | Tom James | Wales | 17-Apr-1987 | 31(271) |
| 16-Jan-2005 | Richard Smith | Wales | 06-Jun-1973 | 31(225) |
| 15-Oct-2010 | Ben Blair | New Zealand | 26-Mar-1979 | 31(204) |
| 27-Nov-1999 | Simon Hill | Wales | 27-May-1968 | 31(183) |
| 12-Jan-2002 | Robert Howley | Wales | 13-Oct-1970 | 31(91) |
| 12-Dec-2003 | Darren Crompton | England | 12-Sep-1972 | 31(91) |
| 19-Dec-2010 | Tom Shanklin | Wales | 24-Nov-1979 | 31(25) |
| 05-Jan-1997 | Hemi Taylor | Wales | 17-Dec-1965 | 31(20) |
| 18-Dec-2021 | Dan Fish | Wales | 19-Dec-1990 | 30(365) |
| 16-Oct-2009 | Scott Morgan | Wales | 17-Oct-1978 | 30(365) |
| 27-Oct-2000 | Mike Voyle | Wales | 03-Jan-1970 | 30(298) |
| 15-Dec-2018 | Blaine Scully | United States | 29-Feb-1988 | 30(290) |
| 24-Jan-2010 | Gareth Cooper | Wales | 07-May-1979 | 30(263) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).