Baseball Franchises Browse 203 franchises that have competed throughout baseball history. 203 franchises ACG Inactive Akron Grays / Cleveland Giants 1933 · 1 season AB Inactive Algona Brownies 1903 · 1 season AC1 Inactive All Cubans 1905 · 1 season AC2 Inactive All Cubans 1911 · 1 season ALT Inactive Altoona Mountain City 1884 · 1 season ARI Active Arizona Diamondbacks 1998–2025 · 28 seasons BCA Inactive Atlanta Black Crackers 1932–1939 · 3 seasons ATL Active Atlanta Braves 1876–2025 · 150 seasons BG1 Inactive Atlantic City Bacharach Giants 1918–1922 · 5 seasons BG2 Inactive Atlantic City Bacharach Giants 1923–1929 · 7 seasons BBS Inactive Baltimore Black Sox 1922–1934 · 13 seasons BLC Historical Baltimore Canaries 1872–1874 · 3 seasons BEG Inactive Baltimore Elite Giants 1930–1948 · 19 seasons MAR Historical Baltimore Marylands 1873 · 1 season BLU Inactive Baltimore Monumentals 1884 · 1 season BAL Active Baltimore Orioles 1901–2025 · 125 seasons BLO Inactive Baltimore Orioles 1882–1899 · 18 seasons BLT Inactive Baltimore Terrapins 1914–1915 · 2 seasons BBB Inactive Birmingham Black Barons 1923–1948 · 19 seasons BOS Active Boston Red Sox 1901–2025 · 125 seasons BNA Historical Boston Red Stockings 1871–1875 · 5 seasons BRD Inactive Boston Reds 1884 · 1 season BRS Inactive Boston Reds 1890–1891 · 2 seasons BRA Historical Brooklyn Atlantics 1872–1875 · 4 seasons ECK Historical Brooklyn Eckfords 1872 · 1 season BRG Inactive Brooklyn Gladiators 1890 · 1 season BR2 Inactive Brooklyn Royal Giants 1905–1927 · 22 seasons BTT Inactive Brooklyn Tip-Tops 1914–1915 · 2 seasons BWW Inactive Brooklyn Ward's Wonders 1890 · 1 season BFB Inactive Buffalo Bisons 1890 · 1 season BFL Inactive Buffalo Bisons 1914–1915 · 2 seasons BUF Inactive Buffalo Bisons 1879–1885 · 7 seasons CAG Inactive Chicago American Giants 1911–1948 · 38 seasons CCG Inactive Chicago Columbia Giants 1897–1902 · 5 seasons CHC Active Chicago Cubs 1876–2025 · 150 seasons COG Inactive Chicago Giants 1910–1921 · 5 seasons LEL Inactive Chicago Leland Giants 1905–1910 · 6 seasons CHP Inactive Chicago Pirates 1890 · 1 season CIU Inactive Chicago Unions 1897–1900 · 4 seasons CHH Inactive Chicago Whales 1914–1915 · 2 seasons CHW Active Chicago White Sox 1901–2025 · 125 seasons CNA Historical Chicago White Stockings 1871–1875 · 3 seasons CPI Inactive Chicago/Pittsburgh (Union League) 1884 · 1 season CKK Inactive Cincinnati Kelly's Killers 1891 · 1 season COR Inactive Cincinnati Outlaw Reds 1884 · 1 season CIN Active Cincinnati Reds 1882–2025 · 144 seasons CNR Inactive Cincinnati Reds 1876–1880 · 5 seasons CT Inactive Cincinnati Tigers 1937 · 1 season IC Inactive Cincinnati-Indianapolis Clowns 1943–1948 · 6 seasons CBL Inactive Cleveland Blues 1879–1884 · 6 seasons CBN Inactive Cleveland Browns 1924 · 1 season CBE Inactive Cleveland Buckeyes 1942–1948 · 7 seasons CEL Inactive Cleveland Elites 1926 · 1 season CFC Historical Cleveland Forest Citys 1871–1872 · 2 seasons CHT Inactive Cleveland Hornets 1927 · 1 season CLE Active Cleveland Indians 1901–2025 · 125 seasons CLI Inactive Cleveland Infants 1890 · 1 season CRS Inactive Cleveland Red Sox 1934 · 1 season CLV Inactive Cleveland Spiders 1887–1899 · 13 seasons CL2 Inactive Cleveland Stars 1932 · 1 season CTS Inactive Cleveland Tate Stars 1922 · 1 season CTG Inactive Cleveland Tigers 1928 · 1 season COL Active Colorado Rockies 1993–2025 · 33 seasons CBB Inactive Columbus Blue Birds 1933 · 1 season CBK Inactive Columbus Buckeyes 1883–1884 · 2 seasons COB Inactive Columbus Buckeyes 1921 · 1 season CLS Inactive Columbus Solons 1889–1891 · 3 seasons COT Inactive Columbus Turf Club 1932 · 1 season CBG Inactive Cuban Giants 1891–1907 · 3 seasons CSE Inactive Cuban Stars East 1916–1929 · 14 seasons CSW Inactive Cuban Stars West 1906–1930 · 25 seasons CXG Inactive Cuban X Giants 1897–1906 · 7 seasons DYM Inactive Dayton Marcos 1920–1926 · 2 seasons DS Inactive Detroit Stars 1919–1931 · 13 seasons DTS Inactive Detroit Stars 1937 · 1 season DET Active Detroit Tigers 1901–2025 · 125 seasons DTN Inactive Detroit Wolverines 1881–1888 · 8 seasons DW Inactive Detroit Wolves 1932 · 1 season RES Historical Elizabeth Resolutes 1873 · 1 season FLA Active Florida Marlins 1993–2025 · 33 seasons KEK Historical Fort Wayne Kekiongas 1871 · 1 season FLP Inactive French Lick Plutos 1913 · 1 season HBG Inactive Harrisburg Giants 1924–1927 · 4 seasons HAR Inactive Hartford Dark Blues 1876–1877 · 2 seasons HNA Historical Hartford Dark Blues 1874–1875 · 2 seasons HIL Inactive Hilldale Club 1918–1932 · 15 seasons HG Inactive Homestead Grays 1928–1948 · 21 seasons HOU Active Houston Astros 1962–2025 · 64 seasons AB2 Inactive Indianapolis ABCs 1931–1933 · 3 seasons ABC Inactive Indianapolis ABCs 1914–1926 · 12 seasons IA Inactive Indianapolis Athletics 1937 · 1 season IBL Inactive Indianapolis Blues 1878 · 1 season IHO Inactive Indianapolis Hoosiers 1884 · 1 season IND Inactive Indianapolis Hoosiers 1887–1889 · 3 seasons JRC Inactive Jacksonville Red Caps 1938–1942 · 5 seasons KCC Inactive Kansas City Cowboys 1888–1889 · 2 seasons KCN Inactive Kansas City Cowboys 1886 · 1 season KCU Inactive Kansas City Cowboys 1884 · 1 season KCG Inactive Kansas City Giants 1909–1910 · 2 seasons KCM Inactive Kansas City Monarchs 1920–1948 · 29 seasons KCP Inactive Kansas City Packers 1914–1915 · 2 seasons KRG Inactive Kansas City Royal Giants 1910–1912 · 3 seasons KCR Active Kansas City Royals 1969–2025 · 57 seasons WES Historical Keokuk Westerns 1875 · 1 season LRG Inactive Little Rock Grays 1932 · 1 season ANA Active Los Angeles Angels of Anaheim 1961–2025 · 65 seasons LAD Active Los Angeles Dodgers 1884–2025 · 142 seasons LVB Inactive Louisville Black Caps 1931–1932 · 2 seasons LOU Inactive Louisville Colonels 1882–1899 · 18 seasons LGR Inactive Louisville Grays 1876–1877 · 2 seasons MRS Inactive Memphis Red Sox 1923–1948 · 20 seasons MAN Historical Middletown Mansfields 1872 · 1 season MB Inactive Milwaukee Bears 1923 · 1 season MIL Active Milwaukee Brewers 1969–2025 · 57 seasons MLA Inactive Milwaukee Brewers 1891 · 1 season MLU Inactive Milwaukee Brewers 1884 · 1 season MLG Inactive Milwaukee Grays 1878 · 1 season MIN Active Minnesota Twins 1901–2025 · 125 seasons MRM Inactive Monroe Monarchs 1932 · 1 season MGS Inactive Montgomery Grey Sox 1932 · 1 season NHV Historical New Haven Elm Citys 1875 · 1 season NBY Inactive New York Black Yankees 1931–1948 · 18 seasons NYC Inactive New York Cubans 1935–1948 · 12 seasons NYI Inactive New York Giants 1890 · 1 season GOR Inactive New York Gorhams 1891 · 1 season NLG Inactive New York Lincoln Giants 1911–1930 · 20 seasons NLS Inactive New York Lincoln Stars 1914–1916 · 3 seasons NYP Inactive New York Metropolitans 1883–1887 · 5 seasons NYM Active New York Mets 1962–2025 · 64 seasons NNA Historical New York Mutuals 1871–1875 · 5 seasons NYU Inactive New York Mutuals 1876 · 1 season NYY Active New York Yankees 1901–2025 · 125 seasons NWB Inactive Newark Browns 1932 · 1 season ND Inactive Newark Dodgers 1934–1935 · 2 seasons NE Inactive Newark Eagles 1935–1948 · 14 seasons NEW Inactive Newark Pepper 1914–1915 · 2 seasons NS Inactive Newark Stars 1926 · 1 season OAK Active Oakland Athletics 1901–2025 · 125 seasons OKM Inactive Oklahoma Monarchs 1910 · 1 season ATH Inactive Philadelphia Athletics 1876 · 1 season PHA Inactive Philadelphia Athletics 1882–1890 · 9 seasons PHQ Inactive Philadelphia Athletics 1890–1891 · 2 seasons PNA Historical Philadelphia Athletics 1871–1875 · 5 seasons PBG Inactive Philadelphia Bacharach Giants 1934 · 1 season CEN Historical Philadelphia Centennials 1875 · 1 season PG Inactive Philadelphia Giants 1903–1911 · 9 seasons PHK Inactive Philadelphia Keystones 1884 · 1 season PHI Active Philadelphia Phillies 1883–2025 · 143 seasons QG Inactive Philadelphia Quaker Giants 1906 · 1 season PS Inactive Philadelphia Stars 1933–1948 · 16 seasons PTG Inactive Philadelphia Tigers 1928 · 1 season PWS Historical Philadelphia White Stockings 1873–1875 · 3 seasons PBB Inactive Pittsburgh Burghers 1890 · 1 season PC Inactive Pittsburgh Crawfords 1932–1940 · 10 seasons PBK Inactive Pittsburgh Keystones 1922 · 1 season PIT Active Pittsburgh Pirates 1882–2025 · 144 seasons PBS Inactive Pittsburgh Rebels 1914–1915 · 2 seasons CUP Inactive Pollock's Cuban Stars 1932 · 1 season PRO Inactive Providence Grays 1878–1885 · 8 seasons RIC Inactive Richmond Virginians 1884 · 1 season ROC Inactive Rochester Broncos 1890 · 1 season ROK Historical Rockford Forest Citys 1871 · 1 season SDP Active San Diego Padres 1969–2025 · 57 seasons SFG Active San Francisco Giants 1883–2025 · 143 seasons MOH Inactive Schenectady Mohawk Giants 1913 · 1 season SEA Active Seattle Mariners 1977–2025 · 49 seasons SBS Inactive St. Louis Brown Stockings 1876–1877 · 2 seasons SNA Historical St. Louis Brown Stockings 1875 · 1 season STL Active St. Louis Cardinals 1882–2025 · 144 seasons SLM Inactive St. Louis Maroons 1884–1886 · 3 seasons SLR Historical St. Louis Red Stockings 1875 · 1 season SL2 Inactive St. Louis Stars 1937 · 1 season SLS Inactive St. Louis Stars 1911–1931 · 16 seasons SLI Inactive St. Louis Terriers 1914–1915 · 2 seasons SNH Inactive St. Louis-New Orleans Stars 1938–1943 · 5 seasons STP Inactive St. Paul Apostles 1884 · 1 season SPG Inactive St. Paul Gophers 1909 · 1 season SC1 Inactive Stars of Cuba 1910 · 1 season SYR Inactive Syracuse Stars 1879 · 1 season SYS Inactive Syracuse Stars 1890 · 1 season TBD Active Tampa Bay Rays 1998–2025 · 28 seasons TEX Active Texas Rangers 1961–2025 · 65 seasons TOL Inactive Toledo Blue Stockings 1884 · 1 season TLM Inactive Toledo Maumees 1890 · 1 season TT Inactive Toledo Tigers 1923 · 1 season TOR Active Toronto Blue Jays 1977–2025 · 49 seasons TRO Historical Troy Haymakers 1871–1872 · 2 seasons TRT Inactive Troy Trojans 1879–1882 · 4 seasons SEN Inactive Washington Black Senators 1938 · 1 season WBL Historical Washington Blue Legs 1873 · 1 season NAT Historical Washington Nationals 1872 · 1 season WNA Inactive Washington Nationals 1884 · 1 season WNL Inactive Washington Nationals 1886–1889 · 4 seasons WNT Historical Washington Nationals 1875 · 1 season WSN Active Washington Nationals 1969–2025 · 57 seasons OLY Historical Washington Olympics 1871–1872 · 2 seasons WAP Inactive Washington Pilots 1932 · 1 season WP Inactive Washington Potomacs 1924–1925 · 2 seasons WAS Inactive Washington Senators 1891–1899 · 9 seasons WST Inactive Washington Statesmen 1884 · 1 season WBS Inactive West Baden Sprudels 1910–1913 · 4 seasons WIL Inactive Wilmington Quicksteps 1884 · 1 season WOR Inactive Worcester Ruby Legs 1880–1882 · 3 seasons No franchises found matching your search.