Have you ever heard of Paul Rachubka? Do you know how many matches John Curtis played in a red shirt? Can you tell the difference in appearance between Rafael and Fabio?
If you answered yes to all of the above, we’re worried about you, and you should probably consider leaving the house. Nonetheless, give our brain melting United quiz below a go and see how you get on. If you get anything above 10 you really are a football nerd.