 While there were rumors that the St. Louis Blues were seeking to sign him for one last stint with his original team, Hrkac retired after the 2004–05 season.Hrkac came out of retirement for the 2008–09 season, at the age of 42, by signing with the AHL's Houston Aeros on March 11, 2009.On September 19, 2006, Concordia University Wisconsin officials announced that the university added Division III men’s and women’s hockey to its sports line-up for the 2007–2008 school year.