Major League Baseball (MLB) is a professional baseball organization and the oldest of the major professional sports leagues in the United States and Canada. With a rich history dating back to the late 19th century, MLB consists of 30 teams: 29 in the U.S. and 1 in Canada. These teams are divided into two leagues – the American League (AL) and the National League (NL) – each with 15 teams further grouped into three divisions.
Map of MLB Teams
A Look at the American League Teams
The American League, formed in 1901, is home to some of the most iconic teams in baseball history. It is divided into three divisions: East, Central, and West.
American League East
The AL East is known for its fierce rivalries, particularly between the New York Yankees and the Boston Red Sox. This division includes:
- Baltimore Orioles
- Boston Red Sox
- New York Yankees
- Tampa Bay Rays
- Toronto Blue Jays
American League Central
The AL Central has a mix of historic franchises and newer teams that have made their mark on the league. This division comprises:
- Chicago White Sox
- Cleveland Guardians
- Detroit Tigers
- Kansas City Royals
- Minnesota Twins
American League West
The AL West features teams spread across the western United States, each with its own dedicated fanbase. This division includes:
- Houston Astros
- Los Angeles Angels
- Oakland Athletics
- Seattle Mariners
- Texas Rangers
American League Logo
Exploring the National League Teams
Established in 1876, the National League is the older of the two leagues and boasts a passionate following across its teams. Like the AL, it is divided into East, Central, and West divisions.
National League East
The NL East is known for its competitive balance and passionate fan bases. Teams in this division include:
- Atlanta Braves
- Miami Marlins
- New York Mets
- Philadelphia Phillies
- Washington Nationals
National League Central
The NL Central has seen a resurgence in recent years, with several teams competing for playoff spots. The teams in this division are:
- Chicago Cubs
- Cincinnati Reds
- Milwaukee Brewers
- Pittsburgh Pirates
- St. Louis Cardinals
National League West
The NL West is home to teams with rich histories and strong rivalries, particularly between the Los Angeles Dodgers and the San Francisco Giants. This division includes:
- Arizona Diamondbacks
- Colorado Rockies
- Los Angeles Dodgers
- San Diego Padres
- San Francisco Giants
National League Logo
The MLB: More Than Just a List of Teams
Understanding the structure and history of the MLB, including the divisions and leagues within each, is essential for any baseball enthusiast. Whether you’re a seasoned fan or new to the game, exploring the individual teams, their rivalries, and their legacies enhances the excitement and enjoyment of this beloved American pastime.
For fans interested in delving deeper into the financial aspects of the league, you can find a detailed breakdown in our list of MLB teams by payroll. For a complete history of champions, visit our comprehensive MLB champion list. And for a better understanding of team composition, check out our article on how many pitchers are on an MLB roster.
Need a quick reference for all teams? Check out our list of MLB baseball teams or our alphabetically organized list of MLB baseball teams in alphabetical order.
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