 Complete the following phrase:  The NHLs first regular season outdoor game ensued: the 2003 Heritage Classic, hosted by the Edmonton Oilers, who lost by a 43 score to the Montreal Canadiens. Though the game was played in frigid temperatures that went as low as , it drew over 57,000 fans and was hailed as a success. The league followed it up in 2008 when it inaugurated the NHL Winter Classic as an annual event to be held on New Years Day. The 