Buuxi weedha soo socota: Ka dib markii uu ka qaybgalay xerada tababarka ee 2016 ee Boqortooyada, Černák waxaa dib loogu soo celiyay xeradooda tababarka ee American Hockey League (AHL), Ontario Reign, xerada tababarka. In kasta oo uu ciyaaray ciyaar cajiib ah heerka AHL, haddana waxaa dib loogu soo celiyay heerka hoose si uu u ciyaaro xilli ciyaareedkii labaad ee kooxda Ontario Hockey League (OHL) ee Erie Otters xilli ciyaareedkii 2016-17. 26 Febraayo 2017, Boqorrada waxay ku beddeleen Černák (oo ay weheliyaan Peter Budaj iyo
2017 doorashada wareega toddobaad) ee Tampa Bay Lightning iyada oo lagu beddelay goolhayaha Ben Bishop iyo doorashada wareega shanaad ee 2017.