How long have the Seattle Mariners been around?

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Tags

1. #joined
2. #american
3. #compete
4. #league
5. #major
6. #member
7. #since
8. #neighborhood
9. #field
10. #located
11. #baseball
12. #ballpark
13. #seattle
14. #mariners
15. #safeco
16. #expansion
17. #division