 On July 29, 1993, Hrivnak was traded to the St. Louis Blues in exchange for a 7th round draft pick.While playing with the St. Louis Blues during the 1993–94 season, he set a new record for most saves by a Blues goaltender against the Boston Bruins with 46.After spending a few seasons playing in the International Hockey League, Ice Hockey Superleague, and Germany2, Hrivnak joined Ässät in the Finnish league Liiga to compete in their 1999–2000 season.