Anaheim Angels
California Angels and Los Angeles Angels
Arizona Diamondbacks
Atlanta Braves
Milwaukee Braves, Boston Braves, Boston Bees, Boston Doves, Boston Beaneaters, and Boston Red Caps
Baltimore Orioles
St. Louis Browns and Milwaukee Brewers
Baltimore Orioles see New York Yankees
Boston Braves, see Atlanta Braves
Boston Red Sox
Boston Pilgrims, Boston Somersets, and Boston Americans
Brooklyn Dodgers, see Los Angeles Dodgers
California Angels, see Anaheim Angels
Chicago Cubs
Chicago Orphans, Chicago Colts, and Chicago White Stockings
Chicago White Sox
Cincinnati Reds
Cincinnati Redlegs and Cincinnati Red Stockings
Cleveland Indians
Cleveland Naps, Cleveland Bronchos, and Cleveland Blues
Colorado Rockies
Detroit Tigers
Florida Marlins
Houston Astros
Houston Colt .45's
Kansas City Athletics, see Oakland Athletics
Kansas City Royals
Los Angeles Angels, see Anaheim Angels
Los Angeles Dodgers
Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Bridegrooms, Brooklyn Grooms, Brooklyn Grays, and Brooklyn Atlantics
Milwaukee Braves, see Atlanta Braves
Milwaukee Brewers
Seattle Pilots
Milwaukee Brewers (1901), see Baltimore Orioles
Minnesota Twins
Washington Senators
Montreal Expos
New York Giants, see San Francisco Giants
New York Mets
New York Yankees
New York Highlanders and Baltimore Orioles
Oakland Athletics
Kansas City Athletics and Philadelphia Athletics
Philadelphia Athletics, see Oakland Athletics
Philadelphia Phillies
Philadelphia Blue Jays and Philadelphia Quakers
Pittsburgh Pirates
Pittsburgh Alleghenys
San Diego Padres
San Francisco Giants
New York Giants and New York Gothams
Seattle Mariner
Seattle Pilots, see Milwaukee Brewers
St. Louis Browns, see Baltimore Orioles
St. Louis Cardinals
St. Louis Perfectos, St. Louis Browns, and St. Louis Brown Stockings
Tampa Bay Devil Rays
Texas Rangers
Washington Senators
Toronto Blue Jays
Washington Senators, see Minnesota Twins
Washington Senators, see Texas Rangers
National Association Franchises
Baltimore Canaries
Baltimore Marylands
Boston Red Stockings
Brooklyn Atlantics
Brooklyn Eckfords
Chicago White Stockings
Cleveland Forest Citys
Elizabeth Resolutes
Fort Wayne Kekiongas
Hartford Dark Blues
Keokuk Westerns
Middletown Mansfields
New Haven Elm Citys
New York Mutuals
Philadelphia Athletics
Philadelphia Centennials
Philadelphia White Stockings
Philadelphia Whites
Rockford Forest Citys
St. Louis Brown Stockings
St. Louis Red Stockings
Troy Haymakers
Washington Blue Legs
Washington Nationals
Washington Olympics