| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 24-Feb-2024 |  Danny Care | England | England | 02-Jan-1987 | 37(53) |
| 16-Mar-2024 | Dan Cole | England | England | 09-May-1987 | 36(312) |
| 16-Mar-2024 |  Peter O'Mahony | Ireland | Ireland | 17-Sep-1989 | 34(181) |
| 03-Feb-2024 |  Richie Gray | Scotland | Scotland | 24-Aug-1989 | 34(163) |
| 16-Mar-2024 |  Uini Atonio | France | France | 26-Mar-1990 | 33(356) |
| 16-Mar-2024 | Bundee Aki | Ireland | Ireland | 07-Apr-1990 | 33(344) |
| 16-Mar-2024 | Grant Gilchrist | Scotland | Scotland | 09-Aug-1990 | 33(220) |
| 10-Feb-2024 | Joe Marler | England | England | 07-Jul-1990 | 33(218) |
| 03-Feb-2024 |  Gareth Davies | Wales | Wales | 18-Aug-1990 | 33(169) |
| 16-Mar-2024 | Jamie George | England | England | 20-Oct-1990 | 33(148) |
| 16-Mar-2024 | George Turner | Scotland | Scotland | 03-Jan-1991 | 33(73) |
| 10-Mar-2024 | William Rowlands | Wales | Wales | 19-Sep-1991 | 32(173) |
| 11-Feb-2024 | Finley Bealham | Ireland | Ireland | 09-Oct-1991 | 32(125) |
| 11-Feb-2024 |  Pietro Ceccarelli | Italy | Italy | 16-Feb-1992 | 31(360) |
| 16-Mar-2024 | George North | Wales | Wales | 13-Apr-1992 | 31(337) |
| 16-Mar-2024 | Jamieson Gibson-Park | Ireland | Ireland | 10-May-1992 | 31(310) |
| 16-Mar-2024 | Ignacio Brex | Italy | Argentina | 26-May-1992 | 31(294) |
| 16-Mar-2024 | James Lowe | Ireland | Wales | 08-Jul-1992 | 31(252) |
| 16-Mar-2024 | Tadhg Beirne | Ireland | Ireland | 01-Aug-1992 | 31(228) |
| 11-Feb-2024 | Jack Conan | Ireland | Ireland | 29-Jul-1992 | 31(197) |
| 11-Feb-2024 | Stuart McCloskey | Ireland | Ireland | 06-Aug-1992 | 31(189) |
| 16-Mar-2024 | Finn Russell | Scotland | Scotland | 23-Sep-1992 | 31(175) |
| 16-Mar-2024 | Elliot Daly | England | England | 08-Oct-1992 | 31(160) |
| 25-Feb-2024 | Jonathan Danty | France | France | 07-Oct-1992 | 31(141) |
| 16-Mar-2024 | Tadhg Furlong | Ireland | Ireland | 14-Nov-1992 | 31(123) |
| 02-Feb-2024 | Paul Willemse | France | France | 13-Nov-1992 | 31(80) |
| 25-Feb-2024 | Maxime Lucu | France | France | 12-Jan-1993 | 31(44) |
| 16-Mar-2024 | George Ford | England | England | 16-Mar-1993 | 31(1) |
| 16-Mar-2024 | Henry Slade | England | England | 19-Mar-1993 | 30(363) |
| 16-Mar-2024 | Josh van der Flier | Ireland | Ireland | 25-Apr-1993 | 30(326) |
| 16-Mar-2024 | Charles Ollivon | France | France | 11-May-1993 | 30(310) |
| 03-Feb-2024 | Tommaso Allan | Italy | Italy | 26-Apr-1993 | 30(283) |
| 16-Mar-2024 | Robbie Henshaw | Ireland | Ireland | 12-Jun-1993 | 30(278) |
| 10-Feb-2024 | Paul Gabrillagues | France | France | 03-Jun-1993 | 30(252) |
| 16-Mar-2024 | Gareth Thomas | Wales | Wales | 02-Aug-1993 | 30(227) |
| 16-Mar-2024 | Cyril Baille | France | France | 15-Sep-1993 | 30(183) |
| 16-Mar-2024 | Huw Jones | Scotland | Scotland | 17-Dec-1993 | 30(90) |
| 16-Mar-2024 | Kyle Steyn | Scotland | Scotland | 29-Jan-1994 | 30(47) |
| 16-Mar-2024 | Elliott Dee | Wales | Wales | 07-Mar-1994 | 30(10) |
| 16-Mar-2024 | Francois Cros | France | France | 25-Mar-1994 | 29(357) |
| 16-Mar-2024 | Gael Fickou | France | France | 26-Mar-1994 | 29(356) |
| 16-Mar-2024 | Simone Ferrari | Italy | Italy | 28-Mar-1994 | 29(354) |
| 16-Mar-2024 | Jack Dempsey | Scotland | Scotland | 12-Apr-1994 | 29(339) |
| 16-Mar-2024 | Pierre Schoeman | Scotland | Scotland | 07-May-1994 | 29(314) |
| 16-Mar-2024 | Sebastian Negri | Italy | Italy | 30-Jun-1994 | 29(260) |
| 16-Mar-2024 | Federico Ruzza | Italy | Italy | 04-Aug-1994 | 29(225) |
| 16-Mar-2024 | Maro Itoje | England | England | 28-Oct-1994 | 29(140) |
| 16-Mar-2024 | Monty Ioane | Italy | Australia | 30-Oct-1994 | 29(138) |
| 16-Mar-2024 | Tomos Williams | Wales | Wales | 01-Jan-1995 | 29(75) |
| 16-Mar-2024 | Ellis Genge | England | England | 16-Feb-1995 | 29(29) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).