The Eastern and Western Divisions in both the AL and NL consist of five teams each. The teams are geographically located in the eastern, central, and western regions of the United States.
The East Division teams in the AL are Baltimore Orioles, Boston Red Sox, New York Yankees, Tampa Bay Rays, and Toronto Blue Jays. The West Division teams in the AL are Houston Astros, Los Angeles Angels, Oakland Athletics, Seattle Mariners, and Texas Rangers.
The East Division teams in the NL are Atlanta Braves, Miami Marlins, New York Mets, Philadelphia Phillies, and Washington Nationals. The West Division teams in the NL are Arizona Diamondbacks, Colorado Rockies, Los Angeles Dodgers, San Diego Padres, and San Francisco Giants.