The National Colored Base Ball League or the League of Colored Baseball Clubs was the first attempt to have a league consisting of all-black teams, predating Rube Foster's Negro National League

Negro National League (the first)

The Negro National League was one of the several Negro leagues which were established during the period in the United States in which organized baseball was segregated. Led by Rube Foster, owner and manager of the Chicago American Giants, the NNL was established on February 13, 1920 by a...

 by over three decades. The league president was Walter S. Brown, who was also manager of the Pittsburgh club. The Gorhams beat the Keystones 11-8 in the opener on May 6, 1887. Philadelphia and New York disbanded on May 18. Cincinnati and Washington were admitted on May 6, after the season started, but played no games. The league folded after two weeks on May 23.

Cities represented (with records)

• Baltimore Lord Baltimores, 2-4
• Boston Resolutes, 1-0
• Cincinnati Browns, did not play
• Louisville Fall City
  Louisville Fall City
  Louisville Fall City was a a professional baseball team based in Louisville, Kentucky which played in the Negro Leagues. The Fall City team played in the National Colored Base Ball League, also known as the League of Colored Baseball Clubs, throughout that league's brief existence in...
  
  , 1-2
• New York Gorhams, 2-2
• Philadelphia Pythians
  Philadelphia Pythians
  The Philadelphia Pythians were a black baseball team that existed in the 19th century. They first came about in the 1867, with Octavius Catto playing shortstop for the team.They played in the League of Colored Baseball Clubs in 1887 and went 4-1....
  
  , 4-1
• Pittsburgh Keystones, 3-4
• Washington Capital Citys, did not play