The Baltimore Orioles farm system consists of seven Minor League Baseball affiliates in the United States and the Dominican Republic.
[2] The Orioles have the shortest cumulative distance between its four full-season minor league affiliates in baseball at 487 miles (784 km).
[10] The foundation of the minors' current structure was the result of a reorganization initiated by Major League Baseball (MLB) before the 1963 season.
[10] (The Orioles were involved in minor league affiliate co-op agreements twice—the Pulaski Phillies with various other MLB clubs in 1976 and the Daytona Beach Islanders with the Texas Rangers in 1985.)
This arrangement ended following the 1957 season when the relocation of the National League's Dodgers and Giants to the West Coast killed any chance of the PCL being promoted.