| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 17-Mar-2010 | Toby Faletau | Wales | 12-Nov-1990 | 19(125) |
| 06-Sep-2009 | Jason Tovey | Wales | 28-Apr-1989 | 20(131) |
| 06-Sep-2009 | Dan Lydiatt | Wales | 18-Dec-1987 | 21(263) |
| 01-Nov-2009 | Patrick Palmer | Wales | 19-Jan-1988 | 21(287) |
| 27-Sep-2009 | James Harris | Wales | 26-Aug-1987 | 22(33) |
| 27-Sep-2009 | Huw Gustafson | Wales | 08-Jul-1987 | 22(82) |
| 12-Sep-2009 | Martyn Thomas | Wales | 24-Apr-1987 | 22(142) |
| 27-Dec-2009 | Lewis Evans | Wales | 09-Jul-1987 | 22(172) |
| 06-Sep-2009 | Ashley Smith | Wales | 13-Feb-1987 | 22(206) |
| 19-Feb-2010 | Will Harries | Wales | 30-Mar-1987 | 22(327) |
| 06-Sep-2009 | Aled Brew | Wales | 09-Aug-1986 | 23(28) |
| 06-Sep-2009 | Tom Riley | Wales | 04-Jun-1986 | 23(94) |
| 06-Sep-2009 | Wayne Evans | Wales | 03-Jun-1984 | 25(95) |
| 06-Sep-2009 | Richard Fussell | Wales | 12-Apr-1984 | 25(147) |
| 04-Apr-2010 | Andrew Coombs | Wales | 27-Oct-1984 | 25(159) |
| 06-Sep-2009 | Luke Charteris | Wales | 09-Mar-1983 | 26(182) |
| 03-Oct-2009 | Rhodri Gomer Davies | Wales | 11-Jan-1983 | 26(266) |
| 03-Oct-2009 | Gethin Robinson | Wales | 05-Oct-1982 | 26(364) |
| 06-Sep-2009 | Alistair McKenzie | England | 05-Oct-1981 | 27(336) |
| 06-Sep-2009 | Adam M Jones | Wales | 12-Jan-1980 | 29(238) |
| 06-Sep-2009 | James Arlidge | Japan | 11-Aug-1979 | 30(27) |
| 06-Mar-2010 | Ben Castle | New Zealand | 13-Jan-1980 | 30(53) |
| 12-Sep-2009 | Robert Sidoli | Wales | 21-Jun-1979 | 30(84) |
| 06-Sep-2009 | Tom Willis | New Zealand | 20-Apr-1979 | 30(140) |
| 12-Sep-2009 | Grant Webb | New Zealand | 26-Apr-1979 | 30(140) |
| 06-Sep-2009 | Joe Bearman | England | 28-Feb-1979 | 30(191) |
| 06-Sep-2009 | Nigel Hall | New Zealand | 23-Nov-1978 | 30(288) |
| 01-Nov-2009 | Matthew Watkins | Wales | 02-Sep-1978 | 31(60) |
| 23-Oct-2009 | Hoani MacDonald | New Zealand | 21-Aug-1978 | 31(64) |
| 06-Sep-2009 | Gavin Thomas | Wales | 22-Oct-1977 | 31(320) |
| 23-Oct-2009 | Peter Bracken | Ireland | 01-Dec-1977 | 31(326) |
| 12-Sep-2009 | Steve Jones | Wales | 20-Apr-1977 | 32(145) |
| 03-Oct-2009 | Danny Lee | New Zealand | 01-Feb-1976 | 33(245) |
| 31-Dec-2009 | Shaun Connor | Wales | 20-Nov-1975 | 34(42) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).