What happens when a lineal champion retires?

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Tags

1. #vacated
2. #vacancy
3. #champion
4. #between
5. #championship
6. #lineage
7. #typically
8. #lewis
9. #filled
10. #interruption
11. #third
12. #retired
13. #moves
14. #lineal
15. #division
16. #recent
17. #lennox
18. #ranked
19. #heavyweight
20. #another
21. #contenders
22. #retires