Who is Chelsea's rival team?

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Tags

1. #hotspur
2. #derby
3. #arsenal
4. #brentford
5. #london
6. #formed
7. #reduced
8. #tottenham
9. #these
10. #prominence
11. #clubs
12. #number
13. #encounters
14. #develop
15. #united
16. #notably
17. #chelsea
18. #teams
19. #other
20. #rivalries
21. #fulham
22. #leeds