Faatumu le fuaiupu lenei: O Slepyshev na filifilia muamua i le 2011 KHL Junior Draft e Metallurg Novokuznetsk. I le ogatotonu o le 2012/13 vaitau, lona lua i le Kontinental Hockey League, na ia siitia mai Metallurg i Salavat Yulaev Ufa. Ina ua filifilia o ia e le Oilers i le taamilosaga lona tolu (88th overall) o le
2013 NHL Entry Draft, Slepyshev tumau pea i Lusia e faaauau lana atinae ma Salavat.