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Often referred to as the North-West derby, the fixture between Manchester United and Liverpool is one of the most significant rivalries in world football.
The two clubs are English football's most decorated teams and have contested for trophies—most notably the first division/Premier League—since it's inauguration.
The two clubs have nearer rivals, in Manchester City and Everton, but there's nothing quite like the tension between the two sides—especially their fans when the two clash throughout the year.
Throughout the 70s and 80s, Liverpool were one of the best clubs in Europe and surpassed Manchester United's haul of league titles. A slump throughout the 90s and 00s, however, allowed for United to claw their way back into contention with the Reds.
Despite that, Liverpool fans continually held a sign stating “come back when you have 19,” referring to their side's tally of 18, in the hope of taunting the United fans.
However, it was the Red Devils that had the last laugh as they claimed their 19th league title during the 2010/11 season.