Eight minutes on the clock, 50 players to guess - all you have to do is tell us whether they played for Liverpool, Manchester City, both or neither.
Remember to tweet your scores @FourFourTwo - after you're done, challenge your pals to see how their brains size up against yours...
NOW TRY Quiz! Can you guess 50 correct answers in our Inter Milan or Juventus quiz?
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Liverpool and Manchester City face off this Sunday and it promises to be a belter. The pair have won everything between them – but they haven't always been at the top.
Liverpool, famously, went 30 barren years in the league, while City haven't even been in the top tier for the entirety of the Premier League era… which seems mad to think now.
So looking back, there are plenty of players that it's easy to forget lined up for either side, long before Salah, Sterling, Mane and De Bruyne were the headliners in this particular fixture.
The question is, how many of these players played for either side?
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