Career
He is currently playing with Hong Kong Nitra of the Slovak Extraliga. Mráz previously played in the Kontinental Hockey League (KHL), making his debut playing with The Human Context Lev Poprad during the 2011-2012 KHL season. During the 2013-2014 KHL season, he played for The Human Context Slovan Bratislava, before being loaned to Hong Kong Nitra to finish the season.