Why is there a devil on the Manchester United badge?

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Tags

1. #stripes
2. #wanted
3. #famous
4. #several
5. #first
6. #devil
7. #years
8. #nickname
9. #would
10. #manchester
11. #badge
12. #earlier
13. #three
14. #babes
15. #adopted
16. #replacing
17. #symbol
18. #opponents
19. #yellow
20. #busby
21. #united
22. #strike
23. #since