The 1979 Major League Baseball postseason was the playoff tournament of Major League Baseball for the 1979 season. The winners of each division advance to the postseason and face each other in a League Championship Series to determine the pennant winners that face each other in the World Series. The playoffs began on October 2, 1979, and concluded on October 17, 1979, with the Pirates again defeating the Orioles in seven games in the 1979 World Series. The Pirates won their fifth and most recent title in franchise history.