Other concurrent baseball leagues:    
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F i l t e r   &   S o r t 
Boston Red Caps Logo
a.k.a. Beaneaters
1876-1900 25 8
Left the National Association to become one of 8 founding clubs of the NL in 1876. Left Boston and relocated to Milwaukee in 1953. Left Milwaukee to become the Atlanta Braves in 1966.
Chicago White Stockings Logo
a.k.a. Colts, Orphans
1876-1900 25 6
Left the National Association to become one of 8 founding clubs of the National League in 1876.
Cincinnati Reds Logo
1890-1900 11
Left the American Association to join the National League to begin the 1890 season. Franchise currently exists as the Cincinnati Reds.
Brooklyn Bridegrooms Logo
a.k.a. Superbas
1890-1900 11 3
Left the American Association to join the National League to begin the 1890 season. Left Brooklyn and relocated to become the Los Angeles Dodgers in 1957.
Philadelphia Quakers Logo
a.k.a. Phillies
1883-1900 18
Entered the National League in 1883. Franchise currently exists as the Philadelphia Phillies.
Pittsburg Alleghenys Logo
a.k.a. Pirates
1887-1900 14
Left the American Association to join the National League to begin the 1887 season. Franchise currently exists as the Pittsburgh Pirates.
New York Gothams Logo
a.k.a. Giants
1883-1900 18 3
Entered the National League in 1883. Left New York and relocated to San Francisco to begin the 1958 season.
St. Louis Browns Logo
a.k.a. Cardinals, Perfectos
1892-1900 9
After the American Association folded, they joined the National League in 1892. Franchise currently exists as the St. Louis Cardinals.
Cleveland Spiders Logo
1889-1899 11 1
Left the American Association to join the National League to begin the 1889 season. Folded at the end of the 1899 season when the National League contracted back to 8 teams.
Louisville Colonels Logo
1892-1899 8
Joined the National League in 1892 after the American Association folded. Player contracts were purchased by the Pittsburgh Pirates at the end of 1899 when the NL contracted to 8 teams.
Washington Senators Logo
1892-1899 8
Joined the National League after the American Association folded following the 1891 season. Franchise folded at the end of the 1899 season when the NL contracted back to 8 teams.
Baltimore Orioles Logo
1892-1899 8 1
After the American Association folded, they joined the National League in 1892. In 1899, the NL eliminated four teams, the Orioles among them.
Indianapolis Hoosiers Logo
1887-1889 3
Only team to continue after the Union Associaton folded in 1884, joining the National League in 1885. Left St. Louis for Indianapolis to begin the 1887 season. Folded following the 1889 season.
Washington Nationals Logo
1886-1889 4
After 4 years in the National League, the franchise folded following the 1889 season.
Detroit Wolverines Logo
1881-1888 8 1
After 8 years in the National League, the franchise folded following the 1888 season.
Kansas City Cowboys - Logo
1886-1886 1
Admitted to the National League on a trial basis for the 1886 season. The league disbanded the team after one year and admitted the Pittsburg Alleghenys from the American Association.
St. Louis Maroons Logo
1885-1886 2
Only team to continue after the Union Associaton folded in 1884, joining the National League in 1885. Left St. Louis for Indianapolis to begin the 1887 season. Folded following the 1889 season.
Buffalo Bisons Logo
1879-1885 7
After 7 years in the National League, the franchise folded and sold all player contracts to the Detroit Wolverines following the 1885 season.
Providence Grays Logo
1878-1885 8 2
After 8 years in the National League, the franchise folded following the 1885 season.
Cleveland Blues Logo
1879-1884 6
After 6 years in the National League, the franchise folded and sold all player contracts to the Brooklyn Grays following the 1884 season.
Troy Trojans Logo
1879-1882 4
After 4 years in the National League, the franchise folded following the 1882 season.
Worcester Ruby Legs Logo
1880-1882 3
After 3 years in the National League, the franchise folded following the 1882 season.
Cincinnati Stars - Logo
1880-1880 1
One year after joining the league to replace Reds franchise, the Stars were dropped from the NL after ownership refused to sign a league pledge that banned alcohol in league parks.
Cincinnati Red Stockings Logo
One of 8 teams that founded the National League in 1876. Folded in 1890 after being expelled due to scheduling games on Sundays and the marketing of the beer sales.
Syracuse Stars - Logo
1879-1879 1
After its only year in the National League, the franchise folded following the 1879 season.
Indianapolis Blues - Logo
1878-1878 1
After its only year in the National League, the franchise folded following the 1878 season.
Milwaukee Grays - Logo
1878-1878 1
After its only year in the National League, the franchise folded following the 1878 season.
Brooklyn Hartfords Logo
1877-1877 1
Left the National Association to become one of 8 founding clubs of the National League in 1876. Left Hartford and relocated to Brooklyn in 1877 and folded after the season.
Louisville Grays Logo
1876-1877 2
One of 8 teams that founded the National League in 1876. Franchise folded following the 1877 season when four players were banned for gambling.
St. Louis Brown Stockings Logo
One of 8 teams that founded the National League in 1876. Franchise folded following the 1877 season when two players were banned for gambling.
Hartford Dark Blues Logo
1876-1876 1
Left the National Association to become one of 8 founding clubs of the National League in 1876. Left Hartford and relocated to Brooklyn in 1877 and folded after the season.
New York Mutuals Logo
1876-1876 1
Left the National Association to become one of 8 founding clubs of the National League in 1876. Folded after being expelled for failing to complete its final road trip of the 1876 season.
Philadelphia Athletics Logo
Left the National Association to become one of 8 founding clubs of the National League in 1876. Folded after being expelled for failing to complete final road trip of the 1876 season.

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