Kammala jumla mai zuwa: Shekaru biyu a cikin babban aikinsa na shekaru uku tare da Medicine Hat Tigers na Yammacin Hockey League (WHL), Lupul ne Mighty Ducks na Anaheim ya zaba a matsayin zabin farko na tawagar, na bakwai a gaba ɗaya, a
Zaɓin shiga NHL na 2002. An zabi Rick Nash na London Knights da farko kuma abokin aikin Lupul na Tigers Jay Bouwmeester ya zama na uku a wannan shekarar. A kakar wasa ta gaba, Lupul ya sanya jerin sunayen karshe na Kanada kuma ya taka leda a Gasar Hockey ta Duniya ta Junior ta 2003 a Halifax, Nova Scotia.