On 22 February 2016, Polák akanga kuchinjaniswa kuna San Jose Sharks pamwe Nick Spaling mukutsinhana wechipiri rwakapoteredza Draft vanosarudza muna 2017 uye 2018
, pamwe chete nomutambi mukuru Raffi Torres. Akanga ari chikamu chechikwata cheSharks chakaita kuonekwa kwavo kwekutanga muStanley Cup Final, asi vakauya shoma kuPittsburgh Penguins, vachirasa mitambo 4 kusvika ku2.