1962 – A complete overhaul of the classifications in the minor leagues is made. The Eastern and South Atlantic leagues are promoted from Class-A to Class-AA. Meanwhile, classes B, C and D are abolished with those leagues being promoted to Class-A. The Class-B leagues were the Carolina and Northwest leagues; the Class-C leagues were the California, Mexican Center, Northern and Pioneer leagues. The Class-D leagues were the Florida State, Georgia-Florida, Midwest, New York-Pennsylvania and Western Carolinas leagues. The Appalachian League moves from Class-D to Rookie classification.

1962 – A complete overhaul of the classifications in the minor leagues is made. The Eastern and South Atlantic leagues are promoted from Class-A to Class-AA. Meanwhile, classes B, C and D are abolished with those leagues being promoted to Class-A. The Class-B leagues were the Carolina and Northwest leagues; the Class-C leagues were the California, Mexican Center, Northern and Pioneer leagues. The Class-D leagues were the Florida State, Georgia-Florida, Midwest, New York-Pennsylvania and Western Carolinas leagues. The Appalachian League moves from Class-D to Rookie classification.