Player Pos Age Opposition Ground Date Match
TE Lamositele (P) 18y 187d v Canada Charleston 17 Aug 2013 Details
DF Ainu'u (P) 18y 355d v Samoa San Sebastian 10 Nov 2018 Details
TD Palamo (W) 19y 8d v South Africa Montpellier 30 Sep 2007 Details
L Thomas C 19y 29d v Chile Fort Lauderdale 20 Feb 2016 Details
DC Mikesell W 19y 58d v Uruguay Montevideo 5 Mar 2016 Details
RP de Haas (SH) 19y 131d v Chile Fullerton 17 Feb 2018 Details
HJ Germishuys (F) 19y 187d v Brazil Sao Paulo 27 Feb 2016 Details
MS MacDonald (P) 19y 216d v Fiji Apia 30 Jun 2000 Details
N Johnson N8 19y 239d v Ireland Santa Clara 31 May 2009 Details
BE Erb FB 19y 349d v Australia Berkeley 16 Nov 1912 Details
LE Stanfill L 19y 360d v Canada Tokyo 25 May 2005 Details
S Mahoni (L) 20y 20d v Canada Vancouver 18 Feb 2017 Details
M Al-Jiboori (F) 20y 200d v Chile Fullerton 17 Feb 2018 Details
S Paga F 20y 202d v Canada Burlington 6 Jun 1998 Details
TS Clever (BR) 20y 219d v Argentina Buenos Aires 23 Aug 2003 Details
HL Wrenn C 20y 231d v France XV Antwerp 5 Sep 1920 Details
FJ Gard F 20y 234d v Australia Berkeley 16 Nov 1912 Details
B Tarr (P) 20y 236d v Romania Bucharest 8 Nov 2014 Details
S Pittman (P) 20y 291d v Uruguay Sandy 8 Nov 2008 Details
KS Schubert F 20y 308d v Japan Osaka 27 May 2000 Details
B Cima FH 20y 321d v Uruguay San Antonio 4 Feb 2017 Details
JG Hunter L 20y 337d v France XV Antwerp 5 Sep 1920 Details
LM Wilfley (FH) 20y 341d v Ireland Manchester 10 Jun 2000 Details
JK Naqica W 21y 82d v England San Francisco 16 Jun 2001 Details
JL McKim P 21y 83d v Australia Berkeley 16 Nov 1912 Details
W Holder FH 21y 82d v Canada Kingston 9 Jun 2012 Details
C Whiting (C) 21y 87d v Chile Santiago 25 Feb 2017 Details
KA Khasigian (H) 21y 110d v Argentina Buenos Aires 15 Aug 1998 Details
V Malifa FH 21y 250d v England A Stockport 18 May 2007 Details
PT Eloff C 21y 253d v Japan Osaka 27 May 2000 Details
VN Anitoni (W) 21y 267d v Canada Denver 13 Jun 1992 Details
S Tomasin (SH) 21y 274d v Russia Sacramento 25 Jun 2016 Details
JC Patrick C 21y 285d v France XV Antwerp 5 Sep 1920 Details
A Petruzzella F 21y 284d v Canada Edmonton 19 Jun 2004 Details
A Maughan (P) 21y 286d v Uruguay San Antonio 4 Feb 2017 Details
SB Peart W 21y 328d v Australia Berkeley 16 Nov 1912 Details
JT O'Neil H 21y 337d v France XV Antwerp 5 Sep 1920 Details
S LaValla L 21y 336d v Russia Glendale 5 Jun 2010 Details
WN King F 21y 349d v Australia Berkeley 16 Nov 1912 Details
R Green C 21y 359d v Ireland Lansdowne Road 5 Nov 1994 Details
S Kelly (C) 21y 360d v Canada Edmonton 25 May 2013 Details
RB Nelson FB 22y 0d v Canada Burnaby Lake 11 Jun 1983 Details
T Enosa (C) 22y 5d v Tonga Esher 8 Jun 2011 Details
AM Freeman L 22y 17d v Canada Markham 9 Sep 1995 Details
GM Hein W 22y 38d v Tunisia Pebble Beach 3 May 1987 Details
T Ngwenya W 22y 48d v England Lens 8 Sep 2007 Details
B Campbell C 22y 52d v Romania Bucharest 12 Nov 2016 Details
J Pye (W) 22y 55d v Argentina A Edmonton 19 Jun 2005 Details
A Parker L 22y 59d v Hong Kong Hong Kong 8 Jun 1996 Details
C Hawley W 22y 72d v Georgia Commerce City 21 Jun 2009 Details

Only the player's first appearance listed

Records include the following current or recent matches:
United States of America v Scotland at Houston, Jun 16, 2018 [30-29 FT]
United States of America v Russia at Commerce City, Jun 9, 2018 [62-13 FT]
United States of America v Chile at Fullerton, Americas Rugby Championship, Feb 17, 2018 [45-13 FT]