Do baseball games always go 9 innings?

Related questions

1. How does the wild card work in MLB?
2. How long is a MLB game?
3. How do MLB games work?
4. How does baseball end?
5. What is the fewest pitches thrown in a complete game?
6. Is American League better than national?
7. Has there ever been a 27 strikeout baseball game?
8. Who has hit 2 home runs in the same inning?
9. Why do MLB teams play 3 games?
10. What's the difference between National and American League baseball?

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2. #innings
3. #indefinitely
4. #baseball
5. #other
6. #league
7. #level
8. #someone
9. #although
10. #inning
11. #until
12. #sometimes
13. #continue
14. #doubleheaders
15. #little
16. #professional
17. #possibly
18. #allows
19. #games
20. #college