Other concurrent negro baseball leagues:    
NNL1  ·  Negro
F i l t e r   &   S o r t 
1923-1928 6
One of the prominent independent teams prior to World War I before organized league play began. Fell into decline after joining the Eastern Colored League, then returning to independent status as a mostly semi-pro squad.
1923-1928 6
An independent team that played in the New York and northeast region of the United States. Because of their ties to the region they were also referred to as the New York Cuban Stars.
Founded when two African-American politicians moved the Duval Giants of Jacksonville, Florida, to Atlantic City in 1916 and renamed them after Harry Bacharach, the city's mayor.
1923-1928 6
Started as an independent team in 1913, gained large success with many stars while it hopped around to four other leageues in it's remaning years before folding.
1923-1928 6 3
Established as a boys team in 1910, developed by their owner to be one of the powerhouse Negro league baseball teams in the mid 1920s. Folded along with many clubs during the Great Depression
Founded as the first colored pro team in the west. and were the dominant team in 1911, 1912 and 1913, winning the eastern championship each year. In 1914, the owner lost control of the Lincoln Giants name, and formed a rival team, the Lincoln Stars.
1928-1928 1
Formed by Cumberland Posey, and remained in continuous operation for 38 seasons. Played home games in Pittsburgh at Forbes Field and Greenlee Field. In the 1940s they began splitting home games between Pittsburgh and Washington D.C.
1928-1928 1
The Philadelphia Tigers were a Negro league baseball team that played briefly in the 1928 Eastern Colored League. After the ECL fell apart, the Tigers struggled on as a marginal independent team into July before disbanding.
1924-1927 4
Known primarily for their hitting with HOF'er Oscar Charleston, triple-crown winning Heavy Johnson, and well-known pro basketball player Fats Jenkins. Never able to finish much better than average in the ECL, the club dropped to play an independent schedule, and lost its best players to other teams.
1926-1926 1
Lasted only one season, quickly fading along with most other teams during the Great Depression.
1924-1925 2
Based in Washington, D.C. in the ECL, they also operated as an independent team briefly. The Potomacs moved to Wilmington, Delaware where they played as the Wilmington Potomacs. In 1925 the team folded, unable to complete the season.