How popular is soccer in the US?

Related questions

1. What came first football or soccer?
2. Why is it called game?
3. Can you tackle a quarterback?
4. Why do quarterbacks say Omaha?
5. Why do you hang meat?
6. Is the guardian a tabloid or broadsheet?
7. What is the new XFL?
8. What's it called when the quarterback gets tackled?
9. What is the kick after a touchdown called?
10. Who is the current world champion in soccer?

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6. #players
7. #figure
8. #million
9. #percent
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12. #baseball
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14. #soccer
15. #american
16. #households
17. #americans
18. #contain