Ku dhammaystir weedhan soo socota: Ka dib markii uu ku noolaa Goodeve, Saskatchewan, iyo Melville, Saskatchewan, inta lagu jiray carruurnimadiisii, McLellan wuxuu bilaabay xirfadiisa ciyaareed ee Saskatoon Blades ee Horyaalka Koleyga Galbeedka (WHL) laga bilaabo 1983 ilaa 1987. Waxaa ku
1986 NHL Entry Draft, waxaa qortay New York Islanders wareegga shanaad. Wuxuu ciyaaray wadar ahaan shan ciyaarood heerka NHL, isagoo ku qaatay inta badan laba xilli ciyaareed oo uu la ciyaaray kooxda Islanders ee American Hockey League (AHL), Springfield Indians. Si kastaba ha noqotee, dhaawacyada garabka ee soo noqnoqda ee soo noqnoqda maalmihiisii hockey-ga ee yaraa ayaa soo afjaray McLellan Waqooyiga Ameerika ciyaarta ciyaarta ka dib xilli ciyaareedkii 1988-89. Waxa uu dhaliyay goolkiisii kaliya ee NHL markii ugu horeysay ee horyaalka bishii Diseembar 28, 1987 guuldaradii 6-4 ee New Jersey Devils.