Information

One by one teams joined the MLB. Here is a video explaining when each team joined the MLB and how the teams logos have changed throughout the years.

There are always four umpires on the field in a regular season game except in the World Series and then there are six umpires. In a regular season game there is an umpire that calls balls and strikes behind the plate. There is a first base umpire who calls outs at first and there is also a second base umpire and third that do the same thing as the first base umpire does. Below is a picture that explains the strike zone. The bottom of the strike zone is a little below the knees and the top of the strike zone is at the belly button. The corners are a few inches off the plate.

There are 30 teams that are divided up into 6 divisions that compose of 5 teams each.

Here is a list of each division and each team:

National League East:

• Atlanta Braves
• Washington Nationals
• Miami Marlins
• Philadelphia Phillies
• New York Mets

National League Central:

• Chicago Cubs
• Cincinnati Reds
• Milwaukee Brewers
• Pittsburgh Pirates
• St. Louis Cardinals

National League West:

• Arizona Diamondbacks
• Colorado Rockies
• Los Angeles Dodgers
• San Diego Padres
• San Francisco Giants

American League East:

• Baltimore Orioles
• Boston Red Sox
• New York Yankees
• Tampa Bay Rays
• Toronto Blue Jays

American League Central:

• Chicago White Sox
• Cleveland Indians
• Detroit Tigers
• Kansas City Royals
• Minnesota Twins

American League West:

• Los Angeles Angels
• Oakland Athletics
• Houston Astros
• Seattle Mariners
• Texas Rangers