The ALCS started in 1969, when the AL reorganized into two divisions, East and West. The winners of each division played each other in a best-of-five series to determine who would advance to the World Series. In 1985, the format changed to best-of-seven.
The ALCS started in 1969 when the AL reorganized into two divisions, East and West. The winners of each division pla.yed each other in a best-of-five series to determin,e who would advance to the World Series In 1985, the format changed to best-of-seven.