We have disguised 12 Reds in Father Christmas outfits for a special festive-themed teaser this week.
Past and present United players are featured and some could be described as more obscure than others in order to provide a testing challenge.
Click on the image above to run through the gallery with each player unmasked to see how you fared.
Have a very merry Christmas from everybody at Old Trafford!
More trivia questions: Earliest away goals at OT | Goalkeepers meeting the Reds | Oldest scorers in Premier League | Internationals at Old Trafford | Old Trafford penalties | England's seven Reds | Alan Hardaker Trophy winners | Scored against United | United stars at European Championship | Goals for England| The name game | Non-appearance at finals