Baseball Franchises Browse 120 franchises that have competed throughout baseball history. 120 franchises ALT Inactive Altoona Mountain City ARI Active Arizona Diamondbacks ATL Active Atlanta Braves BLC Unknown Baltimore Canaries MAR Unknown Baltimore Marylands BLU Inactive Baltimore Monumentals BAL Active Baltimore Orioles BLO Inactive Baltimore Orioles BLT Inactive Baltimore Terrapins BOS Active Boston Red Sox BNA Unknown Boston Red Stockings BRD Inactive Boston Reds BRS Inactive Boston Reds BRA Unknown Brooklyn Atlantics ECK Unknown Brooklyn Eckfords BRG Inactive Brooklyn Gladiators BTT Inactive Brooklyn Tip-Tops BWW Inactive Brooklyn Ward's Wonders BFB Inactive Buffalo Bisons BFL Inactive Buffalo Bisons BUF Inactive Buffalo Bisons CHC Active Chicago Cubs CHP Inactive Chicago Pirates CHH Inactive Chicago Whales CHW Active Chicago White Sox CNA Unknown Chicago White Stockings CPI Inactive Chicago/Pittsburgh (Union League) CKK Inactive Cincinnati Kelly's Killers COR Inactive Cincinnati Outlaw Reds CIN Active Cincinnati Reds CNR Inactive Cincinnati Reds CBL Inactive Cleveland Blues CFC Unknown Cleveland Forest Citys CLE Active Cleveland Indians CLI Inactive Cleveland Infants CLV Inactive Cleveland Spiders COL Active Colorado Rockies CBK Inactive Columbus Buckeyes CLS Inactive Columbus Solons DET Active Detroit Tigers DTN Inactive Detroit Wolverines RES Unknown Elizabeth Resolutes FLA Active Florida Marlins KEK Unknown Fort Wayne Kekiongas HAR Inactive Hartford Dark Blues HNA Unknown Hartford Dark Blues HOU Active Houston Astros IBL Inactive Indianapolis Blues IHO Inactive Indianapolis Hoosiers IND Inactive Indianapolis Hoosiers KCC Inactive Kansas City Cowboys KCN Inactive Kansas City Cowboys KCU Inactive Kansas City Cowboys KCP Inactive Kansas City Packers KCR Active Kansas City Royals WES Unknown Keokuk Westerns ANA Active Los Angeles Angels of Anaheim LAD Active Los Angeles Dodgers LOU Inactive Louisville Colonels LGR Inactive Louisville Grays MAN Unknown Middletown Mansfields MIL Active Milwaukee Brewers MLA Inactive Milwaukee Brewers MLU Inactive Milwaukee Brewers MLG Inactive Milwaukee Grays MIN Active Minnesota Twins NHV Unknown New Haven Elm Citys NYI Inactive New York Giants NYP Inactive New York Metropolitans NYM Active New York Mets NNA Unknown New York Mutuals NYU Inactive New York Mutuals NYY Active New York Yankees NEW Inactive Newark Pepper OAK Active Oakland Athletics ATH Inactive Philadelphia Athletics PHA Inactive Philadelphia Athletics PHQ Inactive Philadelphia Athletics PNA Unknown Philadelphia Athletics CEN Unknown Philadelphia Centennials PHK Inactive Philadelphia Keystones PHI Active Philadelphia Phillies PWS Unknown Philadelphia White Stockings PBB Inactive Pittsburgh Burghers PIT Active Pittsburgh Pirates PBS Inactive Pittsburgh Rebels PRO Inactive Providence Grays RIC Inactive Richmond Virginians ROC Inactive Rochester Broncos ROK Unknown Rockford Forest Citys SDP Active San Diego Padres SFG Active San Francisco Giants SEA Active Seattle Mariners SBS Inactive St. Louis Brown Stockings SNA Unknown St. Louis Brown Stockings STL Active St. Louis Cardinals SLM Inactive St. Louis Maroons SLR Unknown St. Louis Red Stockings SLI Inactive St. Louis Terriers STP Inactive St. Paul Apostles SYR Inactive Syracuse Stars SYS Inactive Syracuse Stars TBD Active Tampa Bay Rays TEX Active Texas Rangers TOL Inactive Toledo Blue Stockings TLM Inactive Toledo Maumees TOR Active Toronto Blue Jays TRO Unknown Troy Haymakers TRT Inactive Troy Trojans WBL Unknown Washington Blue Legs NAT Unknown Washington Nationals WNA Inactive Washington Nationals WNL Inactive Washington Nationals WNT Unknown Washington Nationals WSN Active Washington Nationals OLY Unknown Washington Olympics WAS Inactive Washington Senators WST Inactive Washington Statesmen WIL Inactive Wilmington Quicksteps WOR Inactive Worcester Ruby Legs No franchises found matching your search.