List of All 30 MLB Teams:
New York Yankees
New York Mets
Detroit Tigers
Boston RedSox
Chicago WhiteSox
L.A. Angels of Anaheim
Chicago Cubs
L.A. Dodgers
Seattle Mariners
Atlanta Braves
St. Louis Cardinals
Toronto Blue Jays
Houston Astros
Milwaukee Brewers
Cleveland Indians
Cincinnatti Reds
San Diego Padres
Colorado Rockies
Texas Rangers
Baltimore Orioles
Minnesota Twins
Kansas City Royals
Washington Nationals
Pittsburgh Pirates
Oakland Athletics
Tampa Rays
Florida Marlins
30
30
they have 162
The Giants and Dodgers baseball teams and the Jets and Giants football teams
By pro I guess you mean MLS which is the first tier of American soccer, in that case it's 15 teams.
There are four pro baseball teams in Missouri
Well most teams in baseball are in the US. The only teams that are not in the US are the Toronto Blue Jays, and the Montreal Expos. The Expos are now in the US though, known now as the Washington Nationals.
The Major League Baseball teams not located in the US are; Toronto Blue Jays and Montreal Expos.
No. There are 30 pro teams, and baseball is known as "America's Pastime". it is very popular.
Oakland A's and Raiders
There is only one stadium used for both MLB and NFL games and that is Oakland Coliseum where both the Athletics and Raiders play.
There is the Florida Marlins and the Miami Dolphins