Players like Delgado, Rios, Hudson, etc.. are examples of the last decade. I assume Serra is still in charge down there and plenty will depend on allocation towards signing the top tier players. Teams like the Dodgers, Braves, and the Yankees (moreso in the 90s) have very good scouts with a great budget down there, you need both to have success. If the Cubs don't have a sufficent amount of resources, they'll never get achieve maximum production.