Dee ihe na-aga n'ihu maka paragraf a - San Jose Sharks họpụtara Kozlov na agba nke mbụ dịka nhọrọ nke isii n'usoro NHL Entry Draft 1993
Ọ dị mma. Kozlov gbara goolu mbụ ya maka Sharks megide Ed Belfour na Chicago Blackhawks na 21 Machị 1995 na 7 <unk> 3 Sharks. Ọ ga-egwu oge ole na ole na San Jose tupu a gbanwere ya na Florida Panthers na 13 Nọvemba 1997. Ọ ga-abụ na Florida, na-egwuri egwu na Pavel Bure, na Kozlov ga-enwe afọ kachasị mma ya. Oge kachasị mma ya bụ n'oge oge 1999-2000 mgbe o setịpụrụ ọrụ kachasị elu na enyemaka na isi ihe. O soro ndị Panthers ruo na 1 Machị 2004, mgbe a gbanwere ya na New Jersey Devils maka Christian Berglund na Victor Uchevatov.