Swansea City host Manchester City in the fourth round of the Carabao Cup on Wednesday, 29 October (19:45 GMT).
The tie brings back memories of a thrilling - and controversial - FA Cup quarter-final between the two in which Championship Swansea almost pulled off a dramatic upset.
But can you remember the players who started that game five and a half years ago?
First, see if you can recall Pep Guardiola's star-studded line-up full of Premier League names.
Then if you're feeling brave enough - or a die-hard Swans fan - have a go at naming Graham Potter's would be giant-killers.
You have five minutes for the first one, good luck!
What information do we collect from this quiz?
Lots of household names in that Man City line-up - but do you think you can remember the players that started for their Championship opponents?
This time we've given you an extra couple of minutes to wrack those brain cells!
What information do we collect from this quiz?
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Related topics
Wales Sport
Manchester City
Swansea City
Football
EFL Cup