How many heavyweight belts are there?

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Tags

1. #there
2. #divisions
3. #champions
4. #fringe
5. #respectively
6. #bodies
7. #governing
8. #considered
9. #world
10. #belts
11. #boxing
12. #instead
13. #different
14. #their
15. #weight
16. #titles
17. #union
18. #meanwhile