Ku qor sii socodka faqradan - Waxaa loo soo saaray 105aad guud ahaan Edmonton Oilers ee 1986 NHL Entry Draft
, Haas wuxuu u ciyaaray shan kulan Oilers intii lagu jiray xilli ciyaareedkii 1990-91 NHL, isagoo dhaliyay hal gool. Xilli ciyaareedkiisii ugu badnaa wuxuu la qaatay kooxda American Hockey League ee Cape Breton Oilers. Waxa uu sidoo kale u ciyaaray New Haven Nighthawks xilli ciyaareedkii 1991-92. Sannadkii 1993, wuxuu la saxiixday Calgary Flames isagoo xor ah, laakiin wuxuu kaliya ciyaari lahaa laba ciyaarood oo kale oo NHL ah, isagoo dhaliyay hal gool iyo hal caawin, mar kale wuxuu ku qaatay waqtigiisa ugu badan horyaalada yar yar.