Ku dhammaystiro weedhan soo socda: Dhallinyaro ahaan, Nagy wuxuu ku ciyaaray 1993 Quebec International Pee-Wee Hockey Tournament koox ka socota Poprad. Wuxuu xirfadiisa ciyaareed ku bilaabay 1995 isagoo u ciyaaray kooxda HC Košice ee horyaalka Slovak Extraliga. Waxaa loo doortay kaalinta 177aad ee doorashada
1997 NHL Entry Draft oo ay sameeyeen St. Louis Blues. Kadib markii la soo saaray Nagy wuxuu yimid Waqooyiga Ameerika wuxuuna la ciyaaray kooxda Halifax Mooseheads ee QMJHL xilli ciyaareedkii 1998-99 waxaana loo magacaabay taageerayaasha 7aad ee ciyaaryahanka ugu caansan inta lagu gudajiray dabaaldegyadii 15 sano.