How many times do MLB teams play each other?

Related questions

1. How does baseball end?
2. How do MLB games work?
3. Was there a triple header in MLB?
4. Why does baseball have 9 innings?
5. What is the fewest pitches thrown in a complete game?
6. Do pitchers bat in National League?
7. What time is Yankees Opening Day 2019?
8. Why are baseball innings called innings?
9. Who has hit the most home runs on opening day at 8?
10. Does baseball always go to 9 innings?

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2. #least
3. #there
4. #series
5. #given
6. #which
7. #games
8. #against
9. #teams
10. #believe
11. #interleague
12. #league
13. #their
14. #times
15. #plays
16. #division
17. #other