| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 13-Jun-2017 |  Alex Ainley | Highlanders | New Zealand | 16-Jul-1981 | 35(333) |
| 27-Jun-2017 | Rory Best | British Lions (NT) | Ireland | 15-Aug-1982 | 34(317) |
| 27-Jun-2017 | Ben May | Hurricanes | New Zealand | 13-Oct-1982 | 34(258) |
| 08-Jul-2017 |  Jerome Kaino | New Zealand | New Zealand | 06-Apr-1983 | 34(94) |
| 20-Jun-2017 | Stephen Donald | Chiefs | New Zealand | 03-Dec-1983 | 33(200) |
| 17-Jun-2017 | Liam Messam | New Zealand Maori | New Zealand | 25-Mar-1984 | 33(84) |
| 03-Jun-2017 | Dwayne Sweeney | New Zealand Barbarians | New Zealand | 08-Aug-1984 | 32(299) |
| 27-Jun-2017 | James Haskell | British Lions (NT) | England | 02-Apr-1985 | 32(86) |
| 08-Jul-2017 | Jonathan Sexton | British Lions | Ireland | 11-Jul-1985 | 31(363) |
| 01-Jul-2017 | Sonny Williams | New Zealand | New Zealand | 03-Aug-1985 | 31(332) |
| 08-Jul-2017 | Alan Wyn Jones | British Lions | Wales | 19-Sep-1985 | 31(292) |
| 27-Jun-2017 | Greig Laidlaw | British Lions (NT) | Scotland | 12-Oct-1985 | 31(258) |
| 08-Jul-2017 | Kieran Read | New Zealand | New Zealand | 26-Oct-1985 | 31(255) |
| 20-Jun-2017 | Jared Payne | British Lions (NT) | Ireland | 13-Oct-1985 | 31(250) |
| 10-Jun-2017 | Luke Romano | Crusaders | New Zealand | 16-Feb-1986 | 31(115) |
| 24-Jun-2017 | Ben Smith | New Zealand | New Zealand | 01-Jun-1986 | 31(23) |
| 07-Jun-2017 | James Parsons | Blues | New Zealand | 27-Nov-1986 | 30(193) |
| 07-Jun-2017 | Charlie Faumina | Blues | New Zealand | 24-Dec-1986 | 30(166) |
| 07-Jun-2017 | Ken Owens | British Lions (NT) | Wales | 03-Jan-1987 | 30(156) |
| 24-Jun-2017 | Ben Te'o | British Lions | England | 27-Jan-1987 | 30(149) |
| 08-Jul-2017 | Sean O'Brien | British Lions | Ireland | 14-Feb-1987 | 30(145) |
| 27-Jun-2017 | Dan Cole | British Lions (NT) | England | 09-May-1987 | 30(50) |
| 03-Jun-2017 | Keepa Mewett | New Zealand Barbarians | New Zealand | 10-May-1987 | 30(25) |
| 20-Jun-2017 | Ziggy Fisi'ihoi | Chiefs | Tonga | 08-Jun-1987 | 30(13) |
| 17-Jun-2017 | Joe Wheeler | New Zealand Maori | New Zealand | 20-Oct-1987 | 29(241) |
| 08-Jul-2017 | Owen Franks | New Zealand | New Zealand | 23-Dec-1987 | 29(198) |
| 03-Jun-2017 | Sam Anderson-Heather | New Zealand Barbarians | New Zealand | 15-Feb-1988 | 29(109) |
| 08-Jul-2017 | Jon Davies | British Lions | Wales | 05-Apr-1988 | 29(94) |
| 10-Jun-2017 | Matt Todd | Crusaders | New Zealand | 24-Mar-1988 | 29(78) |
| 08-Jul-2017 | Israel Dagg | New Zealand | New Zealand | 06-Jun-1988 | 29(32) |
| 27-Jun-2017 | Tommy Seymour | British Lions (NT) | Scotland | 01-Jul-1988 | 28(361) |
| 27-Jun-2017 | Callum Gibbins | Hurricanes | New Zealand | 04-Sep-1988 | 28(296) |
| 08-Jul-2017 | Joe Moody | New Zealand | New Zealand | 18-Sep-1988 | 28(293) |
| 17-Jun-2017 | Kane Hames | New Zealand Maori | New Zealand | 28-Aug-1988 | 28(293) |
| 17-Jun-2017 | Ash Dixon | New Zealand Maori | New Zealand | 01-Sep-1988 | 28(289) |
| 08-Jul-2017 | Sam Warburton | British Lions | Wales | 05-Oct-1988 | 28(276) |
| 24-Jun-2017 | Ryan Crotty | New Zealand | New Zealand | 23-Sep-1988 | 28(274) |
| 08-Jul-2017 | Sam Whitelock | New Zealand | New Zealand | 12-Oct-1988 | 28(269) |
| 08-Jul-2017 | Aaron Smith | New Zealand | New Zealand | 21-Nov-1988 | 28(229) |
| 13-Jun-2017 | Rhys Webb | British Lions (NT) | Wales | 09-Dec-1988 | 28(186) |
| 17-Jun-2017 | Leigh Halfpenny | British Lions (NT) | Wales | 22-Dec-1988 | 28(177) |
| 27-Jun-2017 | Courtney Lawes | British Lions (NT) | England | 23-Feb-1989 | 28(124) |
| 08-Jul-2017 | Conor Murray | British Lions | Ireland | 20-Apr-1989 | 28(79) |
| 13-Jun-2017 | Richard Buckman | Highlanders | New Zealand | 27-May-1989 | 28(17) |
| 20-Jun-2017 | Tim Nanai Williams | Chiefs | Samoa | 12-Jun-1989 | 28(8) |
| 27-Jun-2017 | Justin Tipuric | British Lions (NT) | Wales | 06-Aug-1989 | 27(325) |
| 17-Jun-2017 | Elliot Dixon | New Zealand Maori | New Zealand | 04-Sep-1989 | 27(286) |
| 24-Jun-2017 | Peter O'Mahony | British Lions | Ireland | 17-Sep-1989 | 27(280) |
| 27-Jun-2017 | Daniel Biggar | British Lions (NT) | Wales | 16-Oct-1989 | 27(254) |
| 07-Jun-2017 | Jack McGrath | British Lions (NT) | Ireland | 11-Oct-1989 | 27(239) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).