100-0: Manchester United-Liverpool/Liverpool-Manchester United

Giants of the game. Detested opponents.

Man Utd: knocked Liverpool off their perch. 20 league titles! 1-0 Man Utd.
Old Trafford: Theatre of Dreams, record attendance 76,962. Anfield: 61,905. Being redeveloped any time soon? 2-0 Man Utd.
United: fashion kings: Cantona's collar, Robbo's blow-wave, Big Norm's skinhead. McDermott, Souness, and Craig Johnston: permicide! 3-0 Man Utd.

You get the picture. But there are two sides to every story.

Liverpool: 41 major trophies. Man Utd: 39. No contest. 1-0 Liverpool.
Liverpool: Kings of Europe, champions five times. United: three. And who can forget those two hilarious finals against Barcelona! 1-0 Liverpool.
Suarez abuses Evra: 8 match ban. Rio misses drugs test: 8 month ban. 3-0 Liverpool.

You decide.