 Riendeau would establish himself as the starting goaltender for the 1989–90 season, in which he would be supported by Millen and Curtis Joseph.He was able to make his first playoff appearance with the Blues that season as well.While Joseph was the goaltender who led St. Louis in the opening round of the playoffs, Riendeau took over during the second round, in which they were eliminated by the Chicago Blackhawks.