Why did they change the name of Safeco Field?

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Tags

1. #renew
2. #seattle
3. #change
4. #insurance
5. #ballpark
6. #mobile
7. #december
8. #january
9. #safeco
10. #beyond
11. #rights
12. #naming
13. #agreement
14. #acquired
15. #effect
16. #under
17. #season
18. #based
19. #originally
20. #declined
21. #named
22. #field