There are a small number of players who have played for both Sunderland and Chelsea over the years.
Here are some who have played for both or have links to both – how many can you recognise of the 10 pictured in this quiz?
However, there is one face that is an odd one out. He once had Gary Bennett raging in a clash at Roker Park. Can you name him?
See if you can name them all! Answers are at the end of the quiz.