Rubuta ci gaba don wannan sakin layi - Bayan halartar sansanin horar da Kings na 2016, an sake tura Černák zuwa ƙungiyar haɗin gwiwar Hockey ta Amurka (AHL), Ontario Reign, sansanin horo. Duk da rawar da ya taka a matakin AHL, an dawo da shi zuwa ƙarami don yin wasa a karo na biyu tare da Erie Otters na Ontario Hockey League (OHL) don kakar 2016<unk>17. A ranar 26 ga Fabrairun 2017, Sarakuna sun yi musayar Černák (tare da Peter Budaj da 2017
zagaye na bakwai) zuwa Tampa Bay Lightning a musayar mai tsaron gida Ben Bishop da zagaye na biyar na 2017.