The National Association was a major professional baseball league in the United States. The league was founded in 1871 with nine teams in the United States. The league had since expanded to 13 teams in the United States by the time it folded after the 1875 season.
Map
Final Teams (1875)
Team Venue Municipality Boston Red Stockings South End Grounds (1871) Boston Brooklyn Atlantics Union Grounds Brooklyn, New York Chicago White Stockings 23rd Street Park Chicago Hartford Dark Blues Hartford Ball Club Grounds Hartford, Connecticut Keokuk Westerns Perry Park Keokuk, Iowa New Haven Elm Citys Howard Avenue Grounds New Haven, Connecticut New York Mutuals Union Grounds Brooklyn, New York Philadelphia Athletics Jefferson Street Grounds Philadelphia Philadelphia Centennials Centennial Park Philadelphia Philadelphia Phillies Jefferson Street Grounds Philadelphia St. Louis Browns Grand Avenue Park St. Louis St. Louis Red Stockings Red Stocking Park St. Louis Washington Black Stockings Olympic Grounds Washington
Franchise Histories
Boston Red Stockings (1871-1875) → Transferred to National League
Chicago White Stockings (1871) → Suspended operations (1872-1873) → Chicago White Stockings (1874-1875) → Transferred to National League Cleveland Forest Citys (1871-mid-season 1872)
Fort Wayne Kekiongas (1871-mid-season 1871) → Suspended operations (mid-season 1871-1871) → Brooklyn Eckfords (1872)
New York Mutuals (1871-1875) → Transferred to National League
Philadelphia Athletics (1871-1875) → Transferred to National League
Rockford Forest Citys (1871)
Troy Haymakers (1871-mid-season 1872) → Merged into Brooklyn Eckfords
Washington Olympics (1871-mid-season 1872)
Baltimore Lord Baltimores (1872-1874)
Brooklyn Atlantics (1872-1875)
Middletown Mansfields (1872-mid-season 1872)
Washington Nationals (1872-mid-season 1872)
Baltimore Marylands (1873)
Elizabeth Resolutes (1873)
Philadelphia Phillies (1873-1875)
Washington Nationals (1873)
Hartford Dark Blues (1874-1875) → Transferred to National League
Keokuk Westerns (1875)
New Haven Elm Citys (1875)
Philadelphia Centennials (1875)
St. Louis Browns (1875) → Transferred to National League
St. Louis Red Stockings (1875)
Washington Black Stockings (1875)
Seasons and Champions
Season National Association Championship 1871 Philadelphia Athletics 1872 Boston Red Stockings 1873 Boston Red Stockings 1874 Boston Red Stockings 1875 Boston Red Stockings
