Fans stand for the United States national anthem prior to the NHL 4 Nations Face-Off Championship Game between Team Canada and Team United States, won by Canada in OT, at TD Garden on Feb.

Before the Four Nations Confrontation, fans had the mischievous pleasure of booing the national anthems. In the United States ...

The 4 Nations Face-Off Final between the United ... Angilly performed the Anthem prior to the United States' last game ...

So, ahead of the highly-anticipated United States versus Canada matchup in the 4 Nations Face-Off, American fans booed the Canadian national anthem, seemingly in retaliation for Canadian fans ...