| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 13-Sep-2003 | James Haskell | England | 02-Apr-1985 | 18(164) |
| 23-Apr-2011 | Billy Vunipola | England | 03-Nov-1992 | 18(171) |
| 17-Apr-2011 | Elliot Daly | England | 08-Oct-1992 | 18(191) |
| 29-Mar-2014 | Tom Howe | England | 03-Jun-1995 | 18(300) |
| 29-Jan-2005 | Warren Fury | Wales | 10-Dec-1985 | 19(50) |
| 31-Aug-1996 | Paul Sampson | England | 12-Jul-1977 | 19(50) |
| 17-May-2000 | Dafydd Lewis | Other | 21-Mar-1981 | 19(57) |
| 07-Jan-2007 | Danny Cipriani | England | 02-Nov-1987 | 19(66) |
| 27-Dec-2020 | Charlie Atkinson | England | 07-Oct-2001 | 19(81) |
| 22-Dec-2006 | Dominic Waldouck | England | 26-Sep-1987 | 19(87) |
| 22-Mar-2009 | Bob Baker | England | 12-Sep-1989 | 19(191) |
| 26-Feb-2006 | James Honeyben | England | 10-Jun-1986 | 19(261) |
| 19-Aug-2000 | Matthew Leek | England | 25-Oct-1980 | 19(298) |
| 17-Nov-2018 | Tom Willis | England | 18-Jan-1999 | 19(303) |
| 19-Feb-2011 | Joe Launchberry | England | 12-Apr-1991 | 19(313) |
| 22-Sep-2012 | Thomas Bell | England | 11-Nov-1992 | 19(315) |
| 03-Apr-2011 | Christian Wade | England | 15-May-1991 | 19(323) |
| 09-Sep-2020 | Alfie Barbeary | England | 05-Oct-2000 | 19(339) |
| 18-Feb-2012 | Tom Prydie | Wales | 23-Feb-1992 | 19(360) |
| 20-Apr-1997 | Martyn Wood | England | 25-Apr-1977 | 19(360) |
| 10-Mar-2007 | Chris Bishay | England | 24-Feb-1987 | 20(14) |
| 17-Apr-2005 | Thom Evans | Scotland | 02-Apr-1985 | 20(15) |
| 12-Nov-2004 | Tom Rees | England | 11-Sep-1984 | 20(62) |
| 30-Aug-1997 | Joe Worsley | England | 14-Jun-1977 | 20(77) |
| 17-Apr-2011 | Jack Wallace | England | 22-Jan-1991 | 20(85) |
| 16-Mar-2002 | Alistair McKenzie | England | 05-Oct-1981 | 20(162) |
| 26-Dec-2008 | Joe Simpson | England | 05-Jul-1988 | 20(174) |
| 26-Mar-2000 | Richard Birkett | England | 01-Oct-1979 | 20(177) |
| 15-Sep-2007 | David Doherty | England | 28-Jan-1987 | 20(230) |
| 08-Oct-2017 | Jack Willis | England | 24-Dec-1996 | 20(288) |
| 16-Mar-2002 | John Rudd | England | 26-May-1981 | 20(294) |
| 26-Nov-2011 | Matt Everard | England | 09-Jan-1991 | 20(321) |
| 26-Dec-2008 | Hugo Ellis | England | 04-Feb-1988 | 20(326) |
| 03-Mar-2012 | Simon McIntyre | England | 19-Mar-1991 | 20(350) |
| 24-Nov-2002 | Mike McCarthy | Ireland | 27-Nov-1981 | 20(362) |
| 25-Sep-1999 | Bryan Shelbourne | Ireland | 05-Sep-1978 | 21(20) |
| 16-Nov-2008 | Lachlan Mitchell | Australia | 30-Sep-1987 | 21(48) |
| 14-Feb-2004 | George Skivington | England | 03-Dec-1982 | 21(73) |
| 14-Oct-2007 | Rob Webber | England | 01-Aug-1986 | 21(74) |
| 04-Dec-2016 | Piers O'Conor | England | 28-Aug-1995 | 21(99) |
| 03-Sep-2011 | Charlie Davies | England | 23-May-1990 | 21(103) |
| 24-Nov-2013 | Jonah Holmes | Wales | 24-Jul-1992 | 21(123) |
| 30-Nov-2019 | Jacob Umaga | England | 08-Jul-1998 | 21(145) |
| 28-Nov-2020 | Sam Wolstenholme | England | 21-Jun-1999 | 21(161) |
| 14-Sep-2013 | Joshua Bassett | England | 17-Mar-1992 | 21(181) |
| 27-Sep-2003 | John Hart | England | 20-Mar-1982 | 21(191) |
| 17-May-1998 | Joe Beardshaw | England | 30-Oct-1976 | 21(199) |
| 17-Apr-2011 | Sam Jones | England | 12-Sep-1989 | 21(217) |
| 08-Sep-1996 | Alex King | England | 17-Jan-1975 | 21(235) |
| 14-Mar-2009 | Charlie Beech | England | 21-Jul-1987 | 21(237) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).