Rugby Union | in Scotland | Youngest appearance

Player	Pos	Age	Team	Opposition	Ground	Date	Match
NJ Finlay	3Q	17y 36d	Scotland	v England	Edinburgh	8 Mar 1875	Details
C Reid	Fwd	17y 64d	Scotland	v England	Edinburgh	19 Mar 1881	Details
WG Neilson	Fwd	17y 167d	Scotland	v England	Edinburgh	17 Mar 1894	Details
W Neilson	3Q	17y 173d	Scotland	v Wales	Edinburgh	7 Feb 1891	Details
KG Macleod	C	17y 289d	Scotland	v New Zealand	Inverleith	18 Nov 1905	Details
A Arthur	Fwd	17y 339d	Scotland	v England	Edinburgh	8 Mar 1875	Details
RW Irvine	Fwd	17y 342d	Scotland	v England	Edinburgh	27 Mar 1871	Details
DM Grant	W	18y 36d	Scotland	v Wales	Inverleith	4 Feb 1911	Details
MW Walter	C	18y 72d	Scotland	v England	Inverleith	17 Mar 1906	Details
GPS MacPherson	FH	18y 111d	Scotland	v Wales	Inverleith	4 Feb 1922	Details
P Dizabo	C	18y 112d	France	v Scotland	Murrayfield	24 Jan 1948	Details
WMC McEwan	Fwd	18y 144d	Scotland	v England	Edinburgh	17 Mar 1894	Details
L Augras-Fabre	W	18y 164d	France	v Scotland	Murrayfield	24 Jan 1931	Details
JG Tait	Fwd	18y 174d	Scotland	v Ireland	Glasgow	14 Feb 1880	Details
M Rousie	SH	18y 190d	France	v Scotland	Murrayfield	24 Jan 1931	Details
HCC Laird	FH	18y 197d	England	v Scotland	Murrayfield	19 Mar 1927	Details
MF Reid	3Q	18y 212d	Scotland	v England	Edinburgh	3 Mar 1883	Details
TA Begbie	FB	18y 230d	Scotland	v England	Edinburgh	19 Mar 1881	Details
JB Allison	C	18y 235d	Ireland	v Scotland	Inverleith	18 Feb 1899	Details
RC Stafford	P	18y 237d	England	v Scotland	Inverleith	16 Mar 1912	Details
GO Turnbull	Fwd	18y 237d	Scotland	v England	Glasgow	14 Mar 1896	Details
FT Wright	HB	18y 260d	England	v Scotland	Edinburgh	19 Mar 1881	Details
G Harrison	Fwd	18y 265d	England	v Scotland	Edinburgh	5 Mar 1877	Details
RS Stronach	Fwd	18y 266d	Scotland	v Wales	Inverleith	9 Feb 1901	Details
JAW Mein	Fwd	18y 269d	Scotland	v England	Edinburgh	27 Mar 1871	Details
S Morse	FB	18y 275d	England	v Scotland	Glasgow	3 Mar 1873	Details
T Anderson	FB	18y 277d	Scotland	v Ireland	Glasgow	18 Feb 1882	Details
WH Thomas	Fwd	18y 294d	Wales	v Scotland	Glasgow	10 Jan 1885	Details
AJFK O'Reilly	C	18y 295d	Ireland	v Scotland	Murrayfield	26 Feb 1955	Details
JB Buchanan	Fwd	18y 298d	Ireland	v Scotland	Glasgow	18 Feb 1882	Details
WD Brown	FB	18y 302d	Scotland	v England	Edinburgh	27 Mar 1871	Details
JG Milton	Fwd	18y 323d	England	v Scotland	Inverleith	19 Mar 1904	Details
JH Gage	W	18y 331d	Ireland	v Scotland	Murrayfield	27 Feb 1926	Details
KC Fyfe	W	18y 338d	Scotland	v England	Murrayfield	18 Mar 1933	Details
MC Morrison	Fwd	18y 347d	Scotland	v England	Glasgow	14 Mar 1896	Details
JN Millar	Fwd	18y 348d	Scotland	v Ireland	Edinburgh	20 Feb 1892	Details
V Kakovin	(H)	18y 349d	Georgia	v Scotland A	Glasgow	14 Nov 2008	Details
JF Finlay	Fwd	18y 353d	Scotland	v England	Edinburgh	27 Mar 1871	Details
AF Hill	Fwd	18y 363d	Wales	v Scotland	Glasgow	10 Jan 1885	Details
GT Neilson	Fwd	19y 16d	Scotland	v Wales	Edinburgh	7 Feb 1891	Details
ET Roland	3Q	19y 19d	Scotland	v Ireland	Edinburgh	16 Feb 1884	Details
AR Ross	L	19y 22d	Scotland	v Wales	Inverleith	4 Feb 1911	Details
H Tanner	SH	19y 23d	Wales	v Scotland	Murrayfield	1 Feb 1936	Details
RW Wilson	Fwd	19y 27d	Scotland	v England	Glasgow	3 Mar 1873	Details
JM MacKenzie	Fwd	19y 32d	Scotland	v New Zealand	Inverleith	18 Nov 1905	Details
EF Campbell	W	19y 32d	Ireland	v Scotland	Inverleith	18 Feb 1899	Details
AR McKibbin	C	19y 37d	Ireland	v Scotland	Murrayfield	19 Feb 1977	Details
JL Matavesi	FB	19y 40d	Fiji	v Scotland	Murrayfield	14 Nov 2009	Details
L Arbizu	C	19y 42d	Argentina	v Scotland	Murrayfield	10 Nov 1990	Details
JM O'Sullivan	FB	18y ?d	Ireland	v Scotland	Edinburgh	16 Feb 1884	Details

Only the player's first appearance listed

Records include the following current or recent matches:

Scotland v Wales at Murrayfield, Six Nations, Mar 9, 2013 [18-28 FT]

Scotland v Ireland at Murrayfield, Six Nations, Feb 24, 2013 [12-8 FT]

Scotland v Italy at Murrayfield, Six Nations, Feb 9, 2013 [34-10 FT]