 After two-plus seasons with the Blues, he was traded (along with Greg Millen) to the Quebec Nordiques in exchange for Jeff Brown.In his NHL career, Hrkac would play for the Blues, Nordiques, San Jose Sharks, Chicago Blackhawks, Dallas Stars, Edmonton Oilers, New York Islanders, Mighty Ducks of Anaheim, and Atlanta Thrashers.Hrkac's rights were also briefly owned by the Pittsburgh Penguins when they acquired him and Bobby Dollas from the Edmonton Oilers for forward Josef Beranek.