| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 10-May-2014 | Duncan Bell | England | 01-Oct-1974 | 39(222) |
| 01-Mar-2015 | Ian Gough | Wales | 10-Nov-1976 | 38(111) |
| 28-Mar-2021 | Richard Hibbard | Wales | 13-Dec-1983 | 37(106) |
| 01-Sep-2018 | Gavin Henson | Wales | 01-Feb-1982 | 36(212) |
| 28-Mar-2021 | Juan Harris | South Africa | 22-Feb-1985 | 36(34) |
| 01-Jan-2009 | Colin Charvis | Wales | 27-Dec-1972 | 36(5) |
| 02-Nov-2012 | Steve Jones | Wales | 20-Apr-1977 | 35(197) |
| 19-Feb-2016 | Boris Stankovich | England | 01-Sep-1980 | 35(171) |
| 04-Dec-2021 | Jamie Roberts | Wales | 08-Nov-1986 | 35(27) |
| 06-May-2017 | T Rhys Thomas | Wales | 23-Apr-1982 | 35(14) |
| 27-Apr-2019 | Zane Kirchner | South Africa | 16-Jun-1984 | 34(315) |
| 23-Mar-2014 | Robert Sidoli | Wales | 21-Jun-1979 | 34(276) |
| 04-Sep-2010 | Danny Lee | New Zealand | 01-Feb-1976 | 34(216) |
| 05-Dec-2020 | Aaron Jarvis | Wales | 20-May-1986 | 34(200) |
| 11-Oct-2014 | Lee Byrne | Wales | 01-Jun-1980 | 34(132) |
| 26-Feb-2012 | Gavin Thomas | Wales | 22-Oct-1977 | 34(127) |
| 02-May-2014 | Bruce Douglas | Scotland | 10-Feb-1980 | 34(82) |
| 31-Dec-2009 | Shaun Connor | Wales | 20-Nov-1975 | 34(42) |
| 16-May-2009 | Adam Black | Wales | 24-May-1975 | 33(358) |
| 23-Mar-2018 | Sarel Pretorius | South Africa | 18-Apr-1984 | 33(339) |
| 01-Nov-2013 | Adam M Jones | Wales | 12-Jan-1980 | 33(294) |
| 02-May-2014 | Kristopher Burton | Italy | 04-Aug-1980 | 33(271) |
| 29-Oct-2016 | Nick MacLeod | Wales | 22-Mar-1983 | 33(222) |
| 13-Apr-2012 | Scott Morgan | Wales | 17-Oct-1978 | 33(179) |
| 30-Apr-2009 | Jamie Ringer | Wales | 18-Jan-1976 | 33(103) |
| 01-Nov-2014 | Andrew Powell | Wales | 23-Aug-1981 | 33(70) |
| 01-Apr-2022 | Greg Bateman | England | 20-Jun-1989 | 32(285) |
| 06-May-2008 | Ben Daly | Australia | 04-Oct-1975 | 32(215) |
| 29-Oct-2011 | Tom Willis | New Zealand | 20-Apr-1979 | 32(192) |
| 25-Feb-2011 | Matthew Watkins | Wales | 02-Sep-1978 | 32(176) |
| 01-Dec-2018 | Rynard Landman | South Africa | 24-Jul-1986 | 32(130) |
| 11-Oct-2019 | Lewis Evans | Wales | 09-Jul-1987 | 32(94) |
| 19-Feb-2016 | Ben White | Wales | 23-Nov-1983 | 32(88) |
| 09-May-2009 | Kevin Morgan | Wales | 23-Feb-1977 | 32(75) |
| 16-May-2009 | Gareth Wyatt | Wales | 04-Mar-1977 | 32(73) |
| 22-Apr-2011 | Joe Bearman | England | 28-Feb-1979 | 32(53) |
| 26-Nov-2010 | Nigel Hall | New Zealand | 23-Nov-1978 | 32(3) |
| 29-Nov-2008 | Marc Stcherbina | Australia | 07-Dec-1976 | 31(357) |
| 23-Oct-2009 | Peter Bracken | Ireland | 01-Dec-1977 | 31(326) |
| 26-Apr-2009 | Richard Parks | Wales | 14-Aug-1977 | 31(255) |
| 23-Apr-2010 | Hoani MacDonald | New Zealand | 21-Aug-1978 | 31(246) |
| 09-Sep-2011 | Ben Castle | New Zealand | 13-Jan-1980 | 31(239) |
| 01-Jan-2015 | Richie Rees | Wales | 21-May-1983 | 31(226) |
| 22-Apr-2023 | Lloyd Fairbrother | England | 13-Nov-1991 | 31(160) |
| 22-Apr-2023 | Rhodri Jones | Wales | 23-Dec-1991 | 31(120) |
| 21-May-2022 | Adam Warren | Wales | 07-Mar-1991 | 31(75) |
| 23-Oct-2022 | William Rowlands | Wales | 19-Sep-1991 | 31(35) |
| 20-Apr-2014 | Netani Talei | Fiji | 19-Mar-1983 | 31(33) |
| 08-Apr-2017 | Nick Crosswell | New Zealand | 03-Apr-1986 | 31(6) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).