Player Pos Age Opposition Ground Date Match
GO Edwards SH 20y 206d v Scotland Cardiff 3 Feb 1968 Details
WG Stewart-Morgan C 21y 38d v Scotland Swansea 2 Feb 1929 Details
BR Turnbull C 22y 91d v England Twickenham 15 Jan 1927 Details
WC Powell SH 22y 131d v France Swansea 26 Feb 1927 Details
JR Evans H 22y 130d v England Cardiff 20 Jan 1934 Details
R Harding W 22y 199d v France Colombes 27 Mar 1924 Details
SK Warburton F 22y 242d v Barbarians Millennium Stadium 4 Jun 2011 Details
HM Bowcott C 22y 263d v England Cardiff 18 Jan 1930 Details
JA Bevan 3Q 22y 310d v England Blackheath 19 Feb 1881 Details
AF Hill Fwd 22y 344d v NZ Natives Swansea 22 Dec 1888 Details
AW Jones L 23y 176d v Italy Rome 14 Mar 2009 Details
WC Jones FH 23y 309d v England Cardiff 15 Jan 1938 Details
R Gould Fwd 24y 0d v Scotland Edinburgh 26 Feb 1887 Details
RN Jones SH 24y 25d v New Zealand Cardiff 4 Nov 1989 Details
GO Llewellyn L 24y 84d v Zimbabwe Bulawayo 22 May 1993 Details
MJ Owen N8 24y 126d v Scotland Murrayfield 13 Mar 2005 Details
W Wooller C 24y 134d v Ireland Belfast 3 Apr 1937 Details
JA Gould C 24y 143d v Ireland Swansea 2 Mar 1889 Details
J Davies FH 24y 222d v Canada Invercargill 3 Jun 1987 Details
JA Bassett FB 24y 240d v Ireland Swansea 8 Mar 1930 Details
DCT Rowlands SH 24y 250d v England Cardiff 19 Jan 1963 Details
RG Jones F 24y 273d v USA Wilmington 5 Jul 1997 Details
MS Williams C 24y 302d v Ireland Millennium Stadium 8 Aug 2015 Details
WH Thomas Fwd 24y 322d v Scotland Edinburgh 7 Feb 1891 Details
D Watkins FH 25y 6d v Ireland Cardiff 11 Mar 1967 Details
DF Pickering F 25y 33d v England Twickenham 18 Jan 1986 Details
EL Jenkins F 25y 34d v South Africa Washington DC 2 Jun 2018 Details
C Davey C 25y 51d v Scotland Murrayfield 3 Feb 1934 Details
WI Jones F 25y 55d v Ireland Belfast 14 Mar 1925 Details
ET Butler N8 25y 89d v England Cardiff 5 Feb 1983 Details
JI Rees C 25y 177d v England Swansea 18 Jan 1936 Details
WJ Delahay C 25y 215d v France Colombes 5 Apr 1926 Details
SM Jones FH 25y 258d v England Millennium Stadium 23 Aug 2003 Details
CI Morgan FH 25y 289d v England Twickenham 21 Jan 1956 Details
GL Lloyd FH 25y 346d v Scotland Inverleith 7 Feb 1903 Details
IE Jones F 25y 351d v Australia Cardiff 26 Nov 1927 Details
IS Gibbs C 25y 354d v USA Cardiff 11 Jan 1997 Details
DJ Peel SH 26y 9d v Canada Nantes 9 Sep 2007 Details
FE Hancock 3Q 26y 33d v Scotland Cardiff 9 Jan 1886 Details
W Llewellyn W 26y 36d v Scotland Swansea 6 Feb 1904 Details
PH Thorburn FB 26y 58d v Scotland Murrayfield 21 Jan 1989 Details
WG Davies FH 26y 67d v Australia Cardiff 5 Dec 1981 Details
B Bowen FH 26y 114d v USA Cardiff 7 Nov 1987 Details
CL Hill L 26y 119d v Argentina San Juan 9 Jun 2018 Details
BS Davies L 26y 150d v Japan Osaka 8 Jun 2013 Details
JM Humphreys H 26y 187d v South Africa Johannesburg 2 Sep 1995 Details
RT Gabe C 26y 260d v Ireland Cardiff 9 Mar 1907 Details
CH Newman HB 26y 311d v England Leeds 5 Jan 1884 Details
RP Jones N8 26y 326d v England Twickenham 2 Feb 2008 Details
JA Gwilliam N8 26y 327d v England Twickenham 21 Jan 1950 Details

Only the player's first appearance listed

Records include the following current or recent matches:
Wales v Ireland at Millennium Stadium, 1st Test, Aug 31, 2019 [0-0]
Wales v England at Millennium Stadium, 2nd Test, Aug 17, 2019 [0-0]
Wales v Ireland at Millennium Stadium, Six Nations, Mar 16, 2019 [0-0]