Other concurrent baseball leagues:    
PL  ·  UA  ·  NL  ·  Negro
F i l t e r   &   S o r t 
a.k.a. Browns
1882-1891 10 4
After the American Association folded, they joined the National League in 1892. Franchise currently exists as the St. Louis Cardinals.
1891-1891 1 1
Joined the American Association after the Players League folded following the 1890 season. The AA folded the following season and the Reds players were absorbed into existing NL clubs in 1892.
Failed to finish their only season, folding in August of 1891. The Association replaced them with the Milwaukee Brewers to finish off the remainder of the season.
1889-1891 3
After 3 years in the American Association, the franchise folded following the 1891 season.
a.k.a. Colonels
1882-1891 10 1
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.
1891-1891 1
Joined the American Assocation in August 1891 to replace Cincinnati Kelly's Killers. The team disbanded when the Assocation folded following the 1891 season.
After the Players League folded following the 1890 season, the Philadelphia joined the American Association (AA) to replace the previously expelled Philiadelphia Athletics team. The AA folded the following season and the Philadelphia players were absorbed into existing NL clubs in 1892.
1891-1891 1
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.
1882-1891 10
After the American Association folded, they joined the National League in 1892. In 1899, the NL eliminated four teams, the Orioles among them.
1890-1890 1
Failed to finish their only season, folding in August of 1890.
1882-1890 9 1
Expelled by the Association following the 1890 season in response to the franchise releasing and selling the majority of their players for financial reasons.
1890-1890 1
After just one year in the American Association, the franchise folded following the 1890 season.
1890-1890 1
After just one year in the American Association, the franchise folded following the 1890 season.
1890-1890 1
After just one year in the American Association, the franchise folded following the 1890 season.
1882-1889 8 1
Left the American Association to join the National League to begin the 1890 season. Franchise currently exists as the Cincinnati Reds.
a.k.a. Atlantics, Bridegrooms
1884-1889 6 1
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.
1888-1889 2
After 2 years in the American Association, the franchise folded following the 1889 season.
1887-1888 2
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.
1883-1887 5 1
The franchise folded and player contracts were purchased by the American Association Brooklyn franchise at the end of the 1887.
1882-1886 5
Left the American Association to join the National League to begin the 1887 season. Franchise currently exists as the Pittsburgh Pirates.
1883-1884 2
After 2 years in the American Association, the franchise folded following the 1884 season.
After just one year in the American Association, the franchise folded following the 1884 season.
1884-1884 1
Joined the American Association in August 1884 to replace the Washington franchise. Franchise disbanded after the Association contracted from 12 teams to 8 at the end of the 1884 season.
After just one year in the American Association, the franchise folded following the 1884 season.
Failed to finish their only season, folding in August of 1884.

1 Comment

  1. I sincerely appreciate the research work, and the information being shared. It is important and interesting history.

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