| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 13-Jan-2019 |  Matthew Rees | Cardiff Blues | Wales | 09-Dec-1980 | 38(35) |
| 19-Jan-2019 |  Census Johnston | Racing CF | Samoa | 06-May-1981 | 37(258) |
| 13-Jan-2019 | Julien Puricelli | Lyon OU | France | 01-Aug-1981 | 37(165) |
| 21-Oct-2018 | Thian Liebenberg | Montpellier | South Africa | 18-Dec-1981 | 36(307) |
| 30-Mar-2019 |  Rory Best | Ulster | Ireland | 15-Aug-1982 | 36(227) |
| 20-Jan-2019 | Anthony Perenise | Bath | Samoa | 18-Oct-1982 | 36(94) |
| 31-Mar-2019 | Dimitri Szarzewski | Racing CF | France | 26-Jan-1983 | 36(64) |
| 18-Jan-2019 | Jannie Du Plessis | Montpellier | South Africa | 16-Nov-1982 | 36(63) |
| 13-Jan-2019 | Antoine Tichit | Castres | France | 16-Nov-1982 | 36(58) |
| 11-May-2019 |  Robert Kearney | Leinster | Ireland | 26-Mar-1983 | 36(46) |
| 21-Apr-2019 |  Jerome Kaino | Toulouse | New Zealand | 06-Apr-1983 | 36(15) |
| 20-Jan-2019 | Luke Charteris | Bath | Wales | 09-Mar-1983 | 35(318) |
| 19-Jan-2019 | Yannick Cabellaro | Castres | France | 03-Apr-1983 | 35(292) |
| 19-Jan-2019 |  Schalk Burger | Saracens | South Africa | 13-Apr-1983 | 35(282) |
| 20-Apr-2019 | David Strettle | Saracens | England | 23-Jul-1983 | 35(272) |
| 19-Jan-2019 |  Brendan O'Connor | Leicester Tigers | New Zealand | 31-May-1983 | 35(234) |
| 13-Jan-2019 | Richard Wigglesworth | Saracens | England | 09-Jun-1983 | 35(219) |
| 16-Dec-2018 | Ole Avei | Racing CF | Samoa | 13-Jun-1983 | 35(187) |
| 08-Dec-2018 |  Greg Holmes | Exeter Chiefs | Australia | 11-Jun-1983 | 35(181) |
| 19-Jan-2019 | Charl McLeod | Lyon OU | South Africa | 05-Aug-1983 | 35(168) |
| 13-Jan-2019 | Alexandre Menini | Lyon OU | France | 05-Aug-1983 | 35(162) |
| 15-Dec-2018 | James Wilson | Bath | New Zealand | 07-Jul-1983 | 35(162) |
| 13-Oct-2018 | Joe Rokococo | Racing CF | New Zealand | 06-Jun-1983 | 35(130) |
| 21-Apr-2019 | Isoefa Tekori | Toulouse | Samoa | 17-Dec-1983 | 35(126) |
| 31-Mar-2019 | Donnacha Ryan | Racing CF | Ireland | 11-Dec-1983 | 35(111) |
| 13-Jan-2019 | Francois van der Merwe | Lyon OU | South Africa | 04-Oct-1983 | 35(102) |
| 08-Dec-2018 | Albertus Marthinus Buckle | Lyon OU | South Africa | 09-Sep-1983 | 35(91) |
| 19-Jan-2019 | Nick Williams | Cardiff Blues | New Zealand | 02-Dec-1983 | 35(49) |
| 19-Jan-2019 | Rudi Wulf | Lyon OU | New Zealand | 02-Feb-1984 | 34(352) |
| 19-Jan-2019 | Christophe Samson | Castres | France | 01-Mar-1984 | 34(324) |
| 18-Jan-2019 | Rhian Pienaar | Montpellier | South Africa | 10-Mar-1984 | 34(314) |
| 19-Jan-2019 | Josh Turnbull | Cardiff Blues | Wales | 12-Mar-1984 | 34(313) |
| 11-May-2019 | Scott Fardy | Leinster | Australia | 05-Jul-1984 | 34(310) |
| 18-Jan-2019 | Liam Messam | Toulon | New Zealand | 25-Mar-1984 | 34(299) |
| 18-Jan-2019 |  Vereniki Goneva | Newcastle Falcons | Fiji | 05-Apr-1984 | 34(288) |
| 13-Jan-2019 | Jody Jenneker | Castres | South Africa | 10-Apr-1984 | 34(278) |
| 14-Dec-2018 | Gareth Steenson | Exeter Chiefs | Ireland | 05-Apr-1984 | 34(253) |
| 18-Jan-2019 | Bismarck du Plessis | Montpellier | South Africa | 22-May-1984 | 34(241) |
| 13-Jan-2019 | Virgil Lacombe | Lyon OU | France | 01-Jul-1984 | 34(196) |
| 18-Jan-2019 | Mamuka Gorgodze | Toulon | Georgia | 14-Jul-1984 | 34(188) |
| 31-Mar-2019 | Antoine Delport Claasen | Racing CF | France | 20-Oct-1984 | 34(162) |
| 08-Dec-2018 | Manuel Carizza | Lyon OU | Argentina | 23-Aug-1984 | 34(107) |
| 11-May-2019 | Jonathan Sexton | Leinster | Ireland | 11-Jul-1985 | 33(304) |
| 13-Oct-2018 | Leonardo Ghiraldini | Toulouse | Italy | 26-Dec-1984 | 33(291) |
| 13-Jan-2019 | Loic Jacquet | Castres | France | 31-Mar-1985 | 33(288) |
| 15-Dec-2018 | Samu Manoa | Cardiff Blues | United States | 05-Mar-1985 | 33(285) |
| 20-Jan-2019 | Francois Louw | Bath | South Africa | 15-Jun-1985 | 33(219) |
| 20-Jan-2019 |  Gabiriele Lovobalavu | London Wasps | Fiji | 20-Jun-1985 | 33(214) |
| 08-Dec-2018 | Phil Dollman | Exeter Chiefs | Wales | 15-May-1985 | 33(207) |
| 21-Oct-2018 | Dave Wilson | Newcastle Falcons | England | 09-Apr-1985 | 33(195) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).