| MD | Players | Nationality | DOB | A(D) |
|---|---|---|---|---|
| 21-Jan-2017 | Aled Thomas | Wales | 02-Jan-1985 | 32(19) |
| 11-Dec-2016 | Werner Kruger | South Africa | 23-Jan-1985 | 31(323) |
| 21-Jan-2017 | Daniel Van Der Merwe | Canada | 28-Apr-1986 | 30(269) |
| 21-Jan-2017 | John Barclay | Scotland | 24-Sep-1986 | 30(120) |
| 15-Jan-2017 | Ken Owens | Wales | 03-Jan-1987 | 30(13) |
| 21-Jan-2017 | Aaron Shingler | Wales | 07-Aug-1987 | 29(168) |
| 21-Jan-2017 | Hadleigh Parkes | Wales | 05-Oct-1987 | 29(109) |
| 21-Jan-2017 | Jon Davies | Wales | 05-Apr-1988 | 28(291) |
| 22-Oct-2016 | David Bulbring | South Africa | 12-Sep-1989 | 27(40) |
| 21-Jan-2017 | Gareth Davies | Wales | 18-Aug-1990 | 26(157) |
| 15-Jan-2017 | Johnny McNicholl | Wales | 24-Sep-1990 | 26(114) |
| 15-Jan-2017 | Scott Williams | Wales | 10-Oct-1990 | 26(98) |
| 21-Jan-2017 | James Davies | Wales | 25-Oct-1990 | 26(89) |
| 15-Jan-2017 | Liam Williams | Wales | 09-Apr-1991 | 25(282) |
| 21-Jan-2017 | Jake Ball | Wales | 21-Jun-1991 | 25(215) |
| 11-Dec-2016 | Wyn Jones | Wales | 26-Feb-1992 | 24(289) |
| 21-Jan-2017 | Rob Evans | Wales | 14-Apr-1992 | 24(282) |
| 15-Jan-2017 | Aled Davies | Wales | 19-Jul-1992 | 24(180) |
| 21-Jan-2017 | Tadhg Beirne | Ireland | 01-Aug-1992 | 24(173) |
| 21-Jan-2017 | Samson Lee | Wales | 30-Nov-1992 | 24(52) |
| 11-Dec-2016 | Tom Price | England | 22-Jan-1993 | 23(323) |
| 18-Dec-2016 | Rhys Patchell | Wales | 17-May-1993 | 23(215) |
| 21-Jan-2017 | Steffan Evans | Wales | 01-Sep-1994 | 22(143) |
| 21-Jan-2017 | Ryan Elias | Wales | 07-Jan-1995 | 22(15) |
| 18-Dec-2016 | Will Boyde | Wales | 15-Dec-1994 | 22(4) |
| 21-Jan-2017 | Daniel Jones | Wales | 07-Jan-1996 | 21(15) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).