 Following the previous season's disappointing first round playoff upset at the hands of the seventh-seeded Avalanche, the Stars made a number of changes during the 2006 off-season.Former Stars goalkeeper Andy Moog was promoted to assistant general manager for player development (he kept his job as goaltending coach) and former player Ulf Dahlen was hired as an assistant coach.The Stars allowed center Jason Arnott, defenseman Willie Mitchell and goaltender Johan Hedberg to leave as free agents.