Here are this week's rankings.
1. Houston Astros (35-16 overall record, No. 1 ranking last week)
2. Los Angeles Dodgers (31-20, No. 5)
3. New York Yankees (29-18, No. 2)
4. Washington Nationals (30-19, No. 4)
5. Colorado Rockies (33-19, No. 8)
6. Arizona Diamondbacks (31-21, No. 11)
7. Boston Red Sox (27-22, No. 12)
8. Cleveland Indians (25-23, No. 6)
9. Chicago Cubs (25-24, No. 7)
10. Baltimore Orioles (25-23, No. 3)