Hertl akasarudzwa neSan Jose Sharks aine 17th overall pick mu2012 draft, uye akazova mutambi wekutanga wekuEurope akasarudzwa neSharks's top pick kubvira Czech Lukas Kaspar akasarudzwa muna 2004
. Mushure mokunge ataurwa, Hertl akadzokera kuSlavia, achiwana 30 mapoinzi mumitambo 43.