| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 11-Oct-1997 |  Marc Cecillon | Bourgoin | France | 30-Jul-1959 | 38(74) |
| 11-Oct-1997 | Phil John | Pontypridd | Wales | 05-Feb-1962 | 35(249) |
| 01-Nov-1997 | Mike Griffiths | Pontypridd | Wales | 18-Mar-1962 | 35(229) |
| 09-Nov-1997 |  Damian Cronin | London Wasps | Scotland | 17-Apr-1963 | 34(207) |
| 09-Nov-1997 |  Dean Richards | Leicester Tigers | England | 11-Jul-1963 | 34(122) |
| 01-Nov-1997 |  Frano Botica | Scarlets | New Zealand | 03-Aug-1963 | 34(91) |
| 20-Sep-1997 | Dan Herrington | Caledonia | Scotland | 25-Aug-1963 | 34(27) |
| 20-Sep-1997 | Alex Carruthers | Caledonia | Scotland | 23-Sep-1963 | 33(363) |
| 31-Jan-1998 | Ieuan Evans | Bath | Wales | 21-Mar-1964 | 33(316) |
| 08-Nov-1997 |  Laurent Cabannes | Harlequins | France | 06-Feb-1964 | 33(276) |
| 12-Oct-1997 | Mauro Tommasi | Milan | Italy | 11-Feb-1964 | 33(244) |
| 12-Oct-1997 |  Maurice Field | Ulster | Ireland | 24-Feb-1964 | 33(231) |
| 11-Oct-1997 |  Kurt McQuilkin | Leinster | Ireland | 06-Apr-1964 | 33(188) |
| 31-Jan-1998 | Nigel Redman | Bath | England | 16-Aug-1964 | 33(168) |
| 11-Oct-1997 | Julian Gardner | Benetton Treviso | Italy | 12-May-1964 | 33(152) |
| 31-Jan-1998 | Victor Ubogu | Bath | England | 08-Sep-1964 | 33(145) |
| 11-Oct-1997 | Walter Cristofoletto | Benetton Treviso | Italy | 02-Jun-1964 | 33(131) |
| 12-Oct-1997 | Paul Moriarty | Swansea | Wales | 16-Jul-1964 | 33(88) |
| 21-Dec-1997 |  Christophe Deylaud | Toulouse | France | 02-Oct-1964 | 33(80) |
| 27-Sep-1997 |  Owain Williams | Cardiff Blues | Wales | 10-Oct-1964 | 32(352) |
| 01-Nov-1997 | Mark Rowley | Pontypridd | Wales | 18-Nov-1964 | 32(348) |
| 04-Oct-1997 | Tom Billups | Harlequins | United States | 26-Dec-1964 | 32(282) |
| 01-Nov-1997 | Iwan Jones | Scarlets | Wales | 11-Feb-1965 | 32(263) |
| 20-Dec-1997 | Joel Rey | Pau | France | 14-Apr-1965 | 32(250) |
| 31-Jan-1998 | Jeremy Guscott | Bath | England | 07-Jul-1965 | 32(208) |
| 11-Oct-1997 | Rob Wainwright | Caledonia | Scotland | 22-Mar-1965 | 32(203) |
| 31-Jan-1998 | Eric Alegrat | Brive | France | 02-Aug-1965 | 32(182) |
| 07-Sep-1997 | Nigel Davies | Scarlets | Wales | 29-Mar-1965 | 32(162) |
| 01-Nov-1997 | Ian Jardine | Glasgow Warriors | Scotland | 28-May-1965 | 32(157) |
| 12-Oct-1997 | Giambattista Croci | Milan | Italy | 28-Jul-1965 | 32(76) |
| 12-Oct-1997 | Jim Hay | Scottish Borders | Scotland | 08-Aug-1965 | 32(65) |
| 21-Sep-1997 | Steve Ford | Cardiff Blues | Wales | 15-Aug-1965 | 32(37) |
| 31-Jan-1998 | Jonathan Callard | Bath | England | 01-Jan-1966 | 32(30) |
| 07-Sep-1997 | Glyn Llewellyn | Harlequins | Other | 09-Aug-1965 | 32(29) |
| 12-Oct-1997 | Franco Properzi-Curti | Milan | Italy | 04-Nov-1965 | 31(342) |
| 08-Nov-1997 | Will Carling | Harlequins | England | 12-Dec-1965 | 31(331) |
| 12-Oct-1997 | Federico Williams | Milan | Italy | 17-Jan-1966 | 31(268) |
| 08-Nov-1997 | Gregori Kacala | Cardiff Blues | Poland | 15-Mar-1966 | 31(239) |
| 27-Sep-1997 | Lance Sherrell | Benetton Treviso | Other | 09-Feb-1966 | 31(231) |
| 09-Nov-1997 | Darren Garforth | Leicester Tigers | England | 09-Apr-1966 | 31(215) |
| 11-Oct-1997 | Paul Rouse | Caledonia | Scotland | 13-Mar-1966 | 31(212) |
| 12-Oct-1997 |  Peter Clohessy | Munster | Ireland | 22-Mar-1966 | 31(204) |
| 12-Oct-1997 | Mike White | London Wasps | England | 30-Mar-1966 | 31(197) |
| 11-Oct-1997 | John Kerr | Caledonia | Scotland | 28-Apr-1966 | 31(167) |
| 01-Nov-1997 | Greg Prosser | Pontypridd | Wales | 21-May-1966 | 31(165) |
| 11-Oct-1997 | Michel Malafosse | Bourgoin | France | 23-Jun-1966 | 31(110) |
| 27-Sep-1997 | Alberto Marengoni | Milan | Italy | 27-Jul-1966 | 31(62) |
| 12-Oct-1997 | Marcello Cuttitta | Milan | Italy | 02-Sep-1966 | 31(41) |
| 12-Oct-1997 | Massimo Cuttitta | Harlequins | Italy | 30-Sep-1966 | 31(12) |
| 12-Oct-1997 | Mick Galway | Munster | Ireland | 08-Oct-1966 | 31(4) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).