Chelsea and Leeds United share a historic rivalry, but can you name everyone who has played for both clubs since 1992?
Despite their mutual dislike, crossover between the pair is more common than you might expect and some have thrived at both clubs.
Can you name them all? There are 15 to get and you’ve got 15 minutes to get them. Your clue is the years in which they represented each club.
If this gets you in the mood for another quiz, have a go atnaming every current Premier League club’s top scorer in the competition.
If you enjoy our quizzes, head to our newFootball Games home where you can search an archive of over 1,000 quizzes and play them all in beautiful full-screen mode.
Good luck, and don’t forget to tweet us your scores at@planetfutebol.
NEXT QUIZ: Can you name every player to play for Chelsea and West Ham in the PL?