The league's champion advances to the Caribbean Series to play against the representatives from Mexico, Venezuela, Colombia, Panama and Puerto Rico.

[4] During the years 1930-1963, military dictator General Rafael Trujillo can be credited with furthering the sport of baseball in Dominican Republic.

Trujillo encouraged many sugar refineries to create teams of cane cutting laborers to play baseball during the idle months of cultivation.

Fostering high levels of competition, the organization structure continued to mature stimulating growth in the intensity and popularity of the game.

Among these players were future Hall of Famers James Thomas "Cool Papa" Bell, Josh Gibson, and Satchel Paige.