No player is untouchable. This was proven true when Hall of Fame goalie Patrick Roy was traded by the Montreal Canadians in what is considered one of the worst trades in NHL history.
NHL's Most Iconic Moments, No. 13: Coach Saves the Day
Lester Patrick took the term “player’s coach” literally. His New York Rangers were left without a goalie when Lorne Chabot suffered an eye injury and with no backup in sight, Patrick was forced between the pipes himself.