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).
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.
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.
Washington, Arizona, Colorado, Georgia, Massachusetts, Michigan, Minnesota, Maryland, and Wisconsin. There is a team in Canada and one in Washington, D.C.
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.
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.
There are currently 30 teams.