| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 12-Dec-2020 |  Ma'a Nonu | Toulon | New Zealand | 21-May-1982 | 38(206) |
| 22-May-2021 |  Jerome Kaino | Toulouse | New Zealand | 06-Apr-1983 | 38(47) |
| 18-Dec-2020 |  Jimmy Gopperth | London Wasps | New Zealand | 29-Jun-1983 | 37(173) |
| 11-Apr-2021 | Donnacha Ryan | Racing CF | Ireland | 11-Dec-1983 | 37(122) |
| 12-Dec-2020 | Sergio Parisse | Toulon | Italy | 12-Sep-1983 | 37(92) |
| 12-Dec-2020 |  John Afoa | Bristol Bears | New Zealand | 16-Oct-1983 | 37(58) |
| 12-Dec-2020 | Richard Hibbard | Gwent Dragons | Wales | 13-Dec-1983 | 37(0) |
| 11-Dec-2020 | Isoefa Tekori | Toulouse | Samoa | 17-Dec-1983 | 36(360) |
| 10-Apr-2021 |  Scott Fardy | Leinster | Australia | 05-Jul-1984 | 36(279) |
| 18-Dec-2020 | Bismarck du Plessis | Montpellier | South Africa | 22-May-1984 | 36(210) |
| 19-Dec-2020 | Juan Harris | Gwent Dragons | South Africa | 22-Feb-1985 | 35(301) |
| 10-Apr-2021 | Jonathan Sexton | Leinster | Ireland | 11-Jul-1985 | 35(274) |
| 03-Apr-2021 | Jonathan Wisniewski | Lyon OU | France | 16-Jul-1985 | 35(262) |
| 22-May-2021 | Romain Sazy | La Rochelle | France | 19-Jan-1986 | 35(124) |
| 20-Dec-2020 |  Mike Brown | Harlequins | England | 04-Sep-1985 | 35(108) |
| 20-Dec-2020 | Siale Piutau | Bristol Bears | Tonga | 13-Oct-1985 | 35(69) |
| 04-Apr-2021 |  Willem Petrus Nel | Edinburgh Rugby | Scotland | 30-Apr-1986 | 34(340) |
| 12-Dec-2020 | Isaia Toeava | Toulon | New Zealand | 15-Jan-1986 | 34(332) |
| 18-Dec-2020 | Louis Picamoles | Montpellier | France | 05-Feb-1986 | 34(317) |
| 02-May-2021 | Devin Toner | Leinster | Ireland | 29-Jun-1986 | 34(308) |
| 12-Dec-2020 | Michael Bent | Leinster | Ireland | 25-Apr-1986 | 34(232) |
| 12-Dec-2020 | Aaron Jarvis | Gwent Dragons | Wales | 20-May-1986 | 34(207) |
| 22-May-2021 | Maxime Medard | Toulouse | France | 16-Nov-1986 | 34(188) |
| 12-Dec-2020 | Guilhem Guirado | Montpellier | France | 17-Jun-1986 | 34(179) |
| 19-Dec-2020 |  Api Ratuniyarawa | Northampton Saints | Fiji | 11-Jul-1986 | 34(162) |
| 18-Dec-2020 | Fulgence Ouedraogo | Montpellier | France | 21-Jul-1986 | 34(151) |
| 22-May-2021 | Charlie Faumina | Toulouse | New Zealand | 24-Dec-1986 | 34(150) |
| 02-Apr-2021 |  Willi Heinz | Gloucester | England | 24-Nov-1986 | 34(130) |
| 04-Apr-2021 |  Ken Owens | Scarlets | Wales | 03-Jan-1987 | 34(92) |
| 12-Dec-2020 |  Sitaleki Timani | Clermont Auvergne | Australia | 19-Sep-1986 | 34(85) |
| 22-May-2021 | Victor Vito | La Rochelle | New Zealand | 27-Mar-1987 | 34(57) |
| 19-Dec-2020 | Tom Wood | Northampton Saints | England | 03-Nov-1986 | 34(47) |
| 12-Dec-2020 | Jamie Roberts | Gwent Dragons | Wales | 08-Nov-1986 | 34(35) |
| 04-Apr-2021 | David Attwood | Bristol Bears | England | 05-Apr-1987 | 33(365) |
| 20-Dec-2020 | Danny Care | Harlequins | England | 02-Jan-1987 | 33(353) |
| 01-May-2021 | Vadim Cobilas | Begles-Bordeaux | Moldova | 30-Jul-1987 | 33(276) |
| 03-Apr-2021 | Francisco Gomez Kodela | Lyon OU | Argentina | 03-Jul-1987 | 33(275) |
| 04-Apr-2021 | Aaron Shingler | Scarlets | Wales | 07-Aug-1987 | 33(241) |
| 02-May-2021 | Cian Healy | Leinster | Ireland | 07-Oct-1987 | 33(208) |
| 03-Apr-2021 | Toby Carter Arnold | Lyon OU | New Zealand | 11-Sep-1987 | 33(205) |
| 03-Apr-2021 |  Keith Earls | Munster | Ireland | 02-Oct-1987 | 33(184) |
| 19-Dec-2020 | Lewis Evans | Gwent Dragons | Wales | 09-Jul-1987 | 33(164) |
| 11-Apr-2021 | Wesley Fofana | Clermont Auvergne | France | 20-Jan-1988 | 33(82) |
| 12-Dec-2020 |  James Phillips | Sale Sharks | England | 27-Sep-1987 | 33(77) |
| 03-Apr-2021 | Stephen Archer | Munster | Ireland | 29-Jan-1988 | 33(65) |
| 02-Apr-2021 | Arthur Joly | La Rochelle | France | 20-Feb-1988 | 33(42) |
| 18-Dec-2020 | Benoit Paillaugue | Montpellier | France | 17-Nov-1987 | 33(32) |
| 22-May-2021 | Levani Botia | La Rochelle | Fiji | 28-Apr-1988 | 33(24) |
| 04-Apr-2021 | Henry Chavancy | Racing CF | France | 22-Mar-1988 | 33(13) |
| 11-Dec-2020 | Owen Franks | Northampton Saints | New Zealand | 23-Dec-1987 | 32(354) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).