Manchester United versus Liverpool is one of the great rivalries in world football.
See how you do with our United v Liverpool trivia quiz.
1) Whose brilliant extra-time winner gave Liverpool a 2-1 victory over United in the 1983 League Cup Final?
2) Which player holds the record for having played in the most United v Liverpool matches?
3) Which Liverpool player is widely reported to have persuaded his teammates to wear cream-coloured Armani suits ahead of the 1996 FA Cup Final defeat by United?
4) Who was the last player to be transferred directly from one club to the other?
5) When United beat Liverpool 2-1 in the 1977 FA Cup Final, what did Liverpool win four days later?
6) Who posted a picture on Twitter of referee Howard Webb appearing to wear a Manchester United shirt after United's controversial 1-0 win in an FA Cup tie at Old Trafford in 2010?
7) When Liverpool beat United in the 2003 League Cup Final, where was the match played?
8) Who bagged a 79th minute equaliser for Liverpool as they came back from 0-3 down to force a memorable 3-3 draw against United at Anfield in 1994?
9) Who scored a dramatic 90th-minute winner to put United through to the fifth round of the FA Cup against Liverpool at Old Trafford in January 1999?
10) What record did United eclipse when they drew 1-1 at Blackburn in May 2011?
ANSWERS: You'll have to check the website after midnight to find out!