Can you name every player to play for Chelsea and West Ham in the PL?
Chelsea and West Ham share a mutual dislike of each other, but several players have played for both clubs in the Premier League era.
Despite the fierce rivalry between the clubs, crossover between the pair is more common than you might expect and some have thrived at both London sides.
Can you name them all? There are 15 to get and you’ve got 10 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 at naming every current Premier League club’s top scorer in the competition.
If you haven’t already, sign up for a Planet Sport account to access hints for those tricky answers and to register your score on the leaderboard.
Good luck, and don’t forget to tweet us your scores at @planetfutebol.
NEXT QUIZ: Can you name the 25 PL managers with the best points-per-game record?