Crews prepare Heinz Field in Pittsburgh for the "Winter Classic" NHL hockey game Saturday between the Washington Capitals and the Pittsburgh Penguins. The league hopes this latest outdoor faceoff boosts TV ratings. (Associated Press)

Crews prepare Heinz Field in Pittsburgh for the "Winter Classic" NHL hockey game Saturday between the Washington Capitals and the Pittsburgh Penguins. The league hopes this latest outdoor faceoff boosts TV ratings. (Associated Press)