Pedzisa mutsara unotevera: Pashure pokugara muGoodeve, Saskatchewan, uye Melville, Saskatchewan, achiri muduku, McLellan akatanga basa rake rokutamba neSaskatoon Blades yeWestern Hockey League (WHL) kubva muna 1983 kusvika muna 1987. Mu
1986 NHL Entry Draft, akasarudzwa neNew York Islanders mumutambo wechishanu. Akatamba mitambo mishanu paNHL level, achipedza mazhinji emwaka miviri ne Islanders 'American Hockey League (AHL) mubatanidzwa, maSpringfield Indians. Zvisinei, kukuvara kwepafudzi kwakadzokororwa kunodzokera kumazuva ake ejunior hockey kwakagumisa basa raMcLellan rekuNorth America kutamba mushure megore ra1988-89. Akawana chinangwa chake choga cheNHL pamutambo wake wekutanga musi waDecember 28, 1987 mukurasikirwa ne 6-4 kuNew Jersey Devils.