California (San Diego Padres, California Angels of Anaheim, Los Angeles Dodgers, San Fransisco Giants and Oakland A's).
New York (New York Yankees and New York Giants).
Pennsylvania (Philadelphia Phillies and Pittsburgh Pirates).
Florida (Florida Marlins and Tampa Bay Rays)
Ohio (Cleveland Indians and Cincinnati Reds).
Illinois (Chicago White Sox and Chicago Cubs).
Texas (Texas Rangers and Houston Astros).
Missouri (St. Louis Cardinals and Kansas City Royals).
33 of the USA 50 states do not have a Major League team.
Maryland
Florida
Illinois
Ohio
California
Washington
Texas
Arizona
Georgia
New York
Pennsylvania
Missouri
Ontario, Canada
Wisconsin
Michigan
Minnesota
Colorado
New York, Florida, Illinois, Ohio, Missouri, California, and Pennsylvania
Every state in the US has either a professional, semi, independent, minor league, college, high school and little league baseball teams.
California - 5: San Diego Padres, Los Angeles Angels of Anaheim, Los Angeles Dodgers, Oakland Athletics, San Francisco Giants
Washington, Arizona, Colorado, Georgia, Massachusetts, Michigan, Minnesota, Maryland, and Wisconsin. There is a team in Canada and one in Washington, D.C.
California: LA Lakers, LA Clippers, Golden State Warriors, Sacramento Kings.
Texas: Dallas Mavericks, Houston Rockets, San Antonio Spurs.
Florida: Miami Heat, Orlando Magic.
California
34
29 Major League Baseball teams are in the United States. 1 Major League Baseball team is in Canada.
Because Wisconin is one of the bigest baseball states. Have a nice day.
30 teams
As of 2013-2014, there are 298 Division I baseball teams at colleges across the United States. The school that won the College World Series in 2014 was Vanderbilt.
25 states
30 teams
There are currently 30 teams.
32
not many
8
Eight teams.