Some Americans are fed up with being booed by Canadians ... and that includes WWE commentator Pat McAfee who went ballistic on our neighbors to the north during a live broadcast.
The sparks began to fly Saturday night at Rogers Centre in Toronto, Canada ... McAfee and two other commentators, Michael Cole and Wade Barrett, were seated at the announcer's desk when things quickly took a turn for the worse during the World Wrestling Entertainment's "Elimination Chamber" event.
BEST SEAT IN THE HOUSE
As American singer Elizabeth Irving belted out the U.