When did Derby County get relegated?

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Tags

1. #tally
2. #fulham
3. #league
4. #premier
5. #points
6. #birmingham
7. #ending
8. #first
9. #manchester
10. #march
11. #county
12. #record
13. #while
14. #history
15. #season
16. #relegated
17. #derby
18. #table