| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 17-Feb-2023 |  Elvis Taione | Ospreys | Tonga | 25-May-1983 | 39(269) |
| 22-Apr-2023 |  Josh Turnbull | Cardiff Blues | Wales | 12-Mar-1984 | 39(41) |
| 22-Apr-2023 | Willem Alberts | Lions | South Africa | 11-May-1984 | 38(346) |
| 04-Mar-2023 | Morne Steyn | Bulls | South Africa | 11-Jul-1984 | 38(236) |
| 04-Mar-2023 | Stephen Myler | Ospreys | England | 21-Jul-1984 | 38(226) |
| 26-Nov-2022 | Bismarck du Plessis | Bulls | South Africa | 22-May-1984 | 38(188) |
| 17-Feb-2023 | Bradley Davies | Ospreys | Wales | 09-Jan-1985 | 38(39) |
| 18-Feb-2023 | Juan Harris | Western Stormers | South Africa | 22-Feb-1985 | 37(361) |
| 22-Apr-2023 | Alan Wyn Jones | Ospreys | Wales | 19-Sep-1985 | 37(215) |
| 01-Jan-2023 |  Jonathan Sexton | Leinster | Ireland | 11-Jul-1985 | 37(174) |
| 22-Apr-2023 | Reynold Lee-lo | Cardiff Blues | Samoa | 28-Feb-1986 | 37(53) |
| 15-Apr-2023 |  Willem Petrus Nel | Edinburgh Rugby | Scotland | 30-Apr-1986 | 36(350) |
| 21-Apr-2023 |  Duane Vermeulan | Ulster | South Africa | 03-Jul-1986 | 36(292) |
| 24-Mar-2023 | Deon Andre Fourie | Western Stormers | South Africa | 25-Sep-1986 | 36(180) |
| 22-Apr-2023 |  Ken Owens | Scarlets | Wales | 03-Jan-1987 | 36(109) |
| 22-Apr-2023 | Rhys Priestland | Cardiff Blues | Wales | 07-Jan-1987 | 36(105) |
| 27-Jan-2023 | Aaron Shingler | Scarlets | Wales | 07-Aug-1987 | 35(174) |
| 22-Apr-2023 | Dan Lydiatt | Ospreys | Wales | 18-Dec-1987 | 35(126) |
| 07-Jan-2023 | Cian Healy | Leinster | Ireland | 07-Oct-1987 | 35(93) |
| 01-Jan-2023 |  Keith Earls | Munster | Ireland | 02-Oct-1987 | 35(92) |
| 22-Apr-2023 | Stephen Archer | Munster | Ireland | 29-Jan-1988 | 35(84) |
| 25-Mar-2023 | Cornal Hendricks | Bulls | South Africa | 18-Apr-1988 | 34(341) |
| 21-Apr-2023 | Dewaldt Otto Duvenage | Benetton Treviso | South Africa | 22-May-1988 | 34(334) |
| 25-Mar-2023 | Lee-Roy Atalifo | Edinburgh Rugby | Fiji | 10-May-1988 | 34(319) |
| 25-Mar-2023 | Sione Kalamafoni | Scarlets | Tonga | 18-May-1988 | 34(311) |
| 07-Jan-2023 | Jon Davies | Scarlets | Wales | 05-Apr-1988 | 34(277) |
| 27-Jan-2023 | Lionel Mapoe | Bulls | South Africa | 13-Jul-1988 | 34(198) |
| 26-Dec-2022 | Scott Baldwin | Ospreys | Wales | 12-Jul-1988 | 34(167) |
| 26-Dec-2022 | John Ryan | Munster | Ireland | 02-Aug-1988 | 34(146) |
| 22-Apr-2023 | Rhys Webb | Ospreys | Wales | 09-Dec-1988 | 34(134) |
| 25-Mar-2023 | Dave Kilcoyne | Munster | Ireland | 14-Dec-1988 | 34(101) |
| 18-Feb-2023 | Dimitri Arhip | Cardiff Blues | Moldova | 12-Nov-1988 | 34(98) |
| 22-Apr-2023 | Ben Tapuai | Sharks | Australia | 19-Jan-1989 | 34(93) |
| 22-Apr-2023 | Jason Harries | Cardiff Blues | Wales | 14-Feb-1989 | 34(67) |
| 22-Oct-2022 | Alapati Leiua | Western Stormers | Samoa | 21-Sep-1988 | 34(31) |
| 04-Dec-2022 | Phil Price | Scarlets | Wales | 10-Nov-1988 | 34(24) |
| 07-Jan-2023 | Leigh Halfpenny | Scarlets | Wales | 22-Dec-1988 | 34(16) |
| 27-Jan-2023 | Stravino Jacobs | Bulls | South Africa | 21-Jan-1989 | 34(6) |
| 22-Apr-2023 | Conor Murray | Munster | Ireland | 20-Apr-1989 | 34(2) |
| 14-Apr-2023 | Ryan Wilson | Glasgow Warriors | Scotland | 18-May-1989 | 33(331) |
| 04-Mar-2023 | Alistair Vermaak | Western Stormers | South Africa | 28-Apr-1989 | 33(310) |
| 22-Apr-2023 | David Kearney | Leinster | Ireland | 19-Jun-1989 | 33(307) |
| 22-Apr-2023 | Fraser Brown | Glasgow Warriors | Scotland | 20-Jun-1989 | 33(306) |
| 21-Apr-2023 | Henry Pyrgos | Edinburgh Rugby | Scotland | 09-Jul-1989 | 33(286) |
| 30-Dec-2022 | Tom Cruse | Edinburgh Rugby | England | 30-Mar-1989 | 33(275) |
| 07-Jan-2023 | Federico Zani | Benetton Treviso | Italy | 09-Apr-1989 | 33(273) |
| 22-Apr-2023 | Jaco Kriel | Lions | South Africa | 21-Aug-1989 | 33(244) |
| 22-Apr-2023 | Richie Gray | Glasgow Warriors | Scotland | 24-Aug-1989 | 33(241) |
| 04-Mar-2023 | Kristian Dacey | Cardiff Blues | Wales | 25-Jul-1989 | 33(222) |
| 22-Apr-2023 | Peter O'Mahony | Munster | Ireland | 17-Sep-1989 | 33(217) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).