| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 17-Feb-2023 | Elvis Taione | Tonga | 25-May-1983 | 39(269) |
| 28-Oct-2011 | Mefin Davies | Wales | 02-Sep-1972 | 39(56) |
| 16-Apr-2010 | Filo Tiatia | New Zealand | 04-Jun-1971 | 38(317) |
| 04-Mar-2023 | Stephen Myler | England | 21-Jul-1984 | 38(226) |
| 17-Feb-2023 | Bradley Davies | Wales | 09-Jan-1985 | 38(39) |
| 04-Nov-2016 | Joe Bearman | England | 28-Feb-1979 | 37(250) |
| 22-Apr-2023 | Alan Wyn Jones | Wales | 19-Sep-1985 | 37(215) |
| 11-Jan-2015 | Duncan Jones | Wales | 18-Sep-1978 | 36(115) |
| 04-Jan-2013 | Ian Gough | Wales | 10-Nov-1976 | 36(55) |
| 26-Nov-2017 | Paul James | Wales | 13-May-1982 | 35(198) |
| 22-Apr-2023 | Dan Lydiatt | Wales | 18-Dec-1987 | 35(126) |
| 09-May-2008 | Mark Taylor | Wales | 27-Feb-1973 | 35(72) |
| 20-Apr-2012 | Shane Williams | Wales | 26-Feb-1977 | 35(54) |
| 23-Nov-2007 | Andrew Millward | Wales | 01-Dec-1972 | 34(357) |
| 02-May-2008 | Justin Marshall | New Zealand | 05-Aug-1973 | 34(271) |
| 06-May-2011 | Marty Holah | New Zealand | 10-Sep-1976 | 34(238) |
| 26-Dec-2022 | Scott Baldwin | Wales | 12-Jul-1988 | 34(167) |
| 22-Apr-2023 | Rhys Webb | Wales | 09-Dec-1988 | 34(134) |
| 28-Oct-2011 | Sonny Parker | Wales | 27-Aug-1977 | 34(62) |
| 23-Nov-2018 | Giorgi Nemsadze | Georgia | 26-Sep-1984 | 34(58) |
| 30-Nov-2012 | George Stowers | Fiji | 14-Feb-1979 | 33(290) |
| 30-Sep-2007 | Barry Williams | Wales | 06-Jan-1974 | 33(267) |
| 02-Mar-2019 | James Hook | Wales | 27-Jun-1985 | 33(248) |
| 15-Nov-2020 | Shaun Venter | South Africa | 16-Mar-1987 | 33(245) |
| 07-Jan-2023 | Justin Tipuric | Wales | 06-Aug-1989 | 33(154) |
| 02-Mar-2019 | Robert McCusker | Wales | 12-Oct-1985 | 33(141) |
| 02-Apr-2022 | Daniel Evans | Wales | 15-Nov-1988 | 33(138) |
| 20-Apr-2014 | Ryan Jones | Wales | 13-Mar-1981 | 33(38) |
| 30-Sep-2007 | Brent Cockbain | Wales | 15-Nov-1974 | 32(319) |
| 26-Dec-2013 | Adam Jones | Wales | 08-Mar-1981 | 32(293) |
| 01-Jan-2023 | Alex Cuthbert | Wales | 05-Apr-1990 | 32(271) |
| 24-Oct-2009 | Chris Wells | Wales | 12-Feb-1977 | 32(254) |
| 04-Sep-2015 | Gareth Delve | Wales | 30-Dec-1982 | 32(248) |
| 15-Apr-2023 | Tom Botha | South Africa | 31-Aug-1990 | 32(227) |
| 29-Apr-2017 | Brian Mujati | South Africa | 28-Sep-1984 | 32(213) |
| 04-Nov-2017 | Brendon Leonard | New Zealand | 16-Apr-1985 | 32(202) |
| 09-May-2008 | Shaun Connor | Wales | 20-Nov-1975 | 32(171) |
| 05-Oct-2007 | Stefan Terblanche | South Africa | 02-Jul-1975 | 32(95) |
| 22-Apr-2023 | Gareth Anscombe | Wales | 10-May-1991 | 31(347) |
| 24-Oct-2015 | Richard Fussell | Wales | 12-Apr-1984 | 31(194) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).