NHL Winter Classic 2009, broadcast New Year's Day on NBC, was the most-viewed NHL regular season game in almost 34 years. An average of more than 4.4 million Americans watched the Detroit Red Wings defeat the Chicago Blackhawks 6-4 from historic Wrigley Field, a 17 percent increase over last year's inaugural Winter Classic (3.75 million) and the biggest audience since Feb. 23, 1975 (5.4 million, Philadelphia-New York Rangers on NBC), according to Nielsen Media Research. The game earne...