Manchester United take on Liverpool at Anfield on Monday night, resuming the two clubs' fierce rivalry.
The key moments of these fixtures live long in the memory. Goals against Liverpool count for more than other goals for United fans—and presumably vice versa.
Take the example of Diego Forlan, a striker whose United career was essentially a disaster. His name is still sung at most games by the denizens of the Stretford End. Why? He once scored a brace against Liverpool.
We asked the people of Twitter for their best memories of this fixture.