| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 19-Dec-2009 | Filo Tiatia | New Zealand | 04-Jun-1971 | 38(199) |
| 02-Apr-2023 | Alan Wyn Jones | Wales | 19-Sep-1985 | 37(195) |
| 13-Jan-2013 | Ian Gough | Wales | 10-Nov-1976 | 36(64) |
| 25-Oct-2014 | Joe Bearman | England | 28-Feb-1979 | 35(240) |
| 12-Oct-2013 | Duncan Jones | Wales | 18-Sep-1978 | 35(25) |
| 19-Jan-2020 | Bradley Davies | Wales | 09-Jan-1985 | 35(10) |
| 16-Jan-2004 | Gareth Llewellyn | Wales | 27-Feb-1969 | 34(323) |
| 13-Jan-2012 | Shane Williams | Wales | 26-Feb-1977 | 34(321) |
| 14-Dec-2007 | Mark Taylor | Wales | 27-Feb-1973 | 34(290) |
| 06-Apr-2008 | Justin Marshall | New Zealand | 05-Aug-1973 | 34(245) |
| 14-Jan-2023 | Scott Baldwin | Wales | 12-Jul-1988 | 34(186) |
| 23-Nov-2019 | James Hook | Wales | 27-Jun-1985 | 34(149) |
| 16-Jan-2011 | Marty Holah | New Zealand | 10-Sep-1976 | 34(128) |
| 02-Apr-2023 | Rhys Webb | Wales | 09-Dec-1988 | 34(114) |
| 24-Jan-2016 | Paul James | Wales | 13-May-1982 | 33(256) |
| 02-Apr-2023 | Justin Tipuric | Wales | 06-Aug-1989 | 33(239) |
| 22-Jan-2011 | Sonny Parker | Wales | 27-Aug-1977 | 33(148) |
| 23-Jan-2022 | Daniel Evans | Wales | 15-Nov-1988 | 33(69) |
| 14-Jan-2006 | Andrew Millward | Wales | 01-Dec-1972 | 33(44) |
| 20-Jan-2007 | Barry Williams | Wales | 06-Jan-1974 | 33(14) |
| 16-Jan-2004 | Scott Gibbs | Wales | 23-Jan-1971 | 32(358) |
| 15-Dec-2012 | Campbell Johnstone | New Zealand | 07-Jan-1980 | 32(343) |
| 17-Jan-2014 | Adam Jones | Wales | 08-Mar-1981 | 32(315) |
| 17-Jan-2014 | Ryan Jones | Wales | 13-Mar-1981 | 32(310) |
| 19-Jan-2020 | Shaun Venter | South Africa | 16-Mar-1987 | 32(309) |
| 20-Jan-2023 | Alex Cuthbert | Wales | 05-Apr-1990 | 32(290) |
| 19-Nov-2011 | George Stowers | Fiji | 14-Feb-1979 | 32(278) |
| 20-Jan-2006 | Adrian Cashmore | New Zealand | 25-Jul-1973 | 32(179) |
| 20-Jan-2023 | Tom Botha | South Africa | 31-Aug-1990 | 32(142) |
| 20-Jan-2018 | Robert McCusker | Wales | 12-Oct-1985 | 32(100) |
| 20-Jan-2007 | Brent Cockbain | Wales | 15-Nov-1974 | 32(66) |
| 19-Jan-2020 | Dan Lydiatt | Wales | 18-Dec-1987 | 32(32) |
| 15-Jan-2005 | Tevita Tiueti | Other | 06-Jun-1973 | 31(223) |
| 20-Jan-2007 | Stefan Terblanche | South Africa | 02-Jul-1975 | 31(202) |
| 02-Apr-2023 | Sam Parry | Wales | 17-Dec-1991 | 31(107) |
| 14-Jan-2006 | Jason Spice | New Zealand | 07-Dec-1974 | 31(38) |
| 02-Apr-2023 | Owen Williams | Wales | 27-Feb-1992 | 31(35) |
| 23-Jan-2022 | Lloyd Ashley | Wales | 02-Feb-1991 | 30(356) |
| 02-Apr-2023 | Tomas Francis | Wales | 27-Apr-1992 | 30(340) |
| 20-Oct-2006 | Shaun Connor | Wales | 20-Nov-1975 | 30(335) |
| 22-Jan-2012 | Barry Davies | Wales | 05-Mar-1981 | 30(323) |
| 02-Apr-2023 | Luke Morgan | Wales | 16-May-1992 | 30(321) |
| 24-Jan-2015 | Richard Fussell | Wales | 12-Apr-1984 | 30(287) |
| 24-Jan-2016 | Brendon Leonard | New Zealand | 16-Apr-1985 | 30(283) |
| 15-Jan-2022 | Gareth Anscombe | Wales | 10-May-1991 | 30(251) |
| 20-Jan-2013 | Kahn Fotuali'i | Samoa | 22-May-1982 | 30(244) |
| 11-Dec-2022 | George North | Wales | 13-Apr-1992 | 30(242) |
| 30-Oct-2005 | Damian Karauna | New Zealand | 06-Mar-1975 | 30(239) |
| 22-Jan-2011 | Lee Byrne | Wales | 01-Jun-1980 | 30(235) |
| 12-Oct-2013 | Tito Tebaldi | Italy | 24-Mar-1983 | 30(203) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).