Kammala jumla mai zuwa: Stanger ya buga wasan rugby ga Scotland a karkashin 18, 19 da 21 matakan. Ya tafi yawon shakatawa na tawagar rugby na Scotland a Japan. An zaɓe shi don farawa ga Scotland a kan Fiji a watan Oktoba 1989, ba tare da buga wa Scotland B wasa ba. Ya zira kwallaye mai nasara a wasan Five Nations na 1990 da Ingila don rufe Grand Slam na uku na Scotland. Ya buga wa Scotland wasa a
1991 da kuma 1995 Rugby World Cups.