The Negro Southern League was a Negro baseball league organized in 1920 that lasted into the 1940s. Negro leagues in Southern United States were far less organized and lucrative than those in the north due to Jim Crow laws. Tom Wilson organized the Negro Southern League in 1920. 1920 Atlanta Ga, Birmingham Al, Jacksonville Fl, Knoxville Tn, Montgomery Al, Nashville Tn, New Orleans La Pensacola FL 1921 Bessemer Al, Chattanooga, Tn Gadsden Al, Mephis Tn, Mobile Al enter the league and Atlanta, Jacksonville and Pensacola left the league. During the season Gadsden team move to Atlanta Ga.