Rickey fast-tracked youngsters like Law and Bob Friend, signed by his predecessor, Roy Hamey, to the majors. He recruited Groat off the Duke University campus, drafted Face and Clemente from Brooklyn's minor league system, and his scouts and minor league instructors found Mazeroski and developed him for MLB delivery in 1956. Pittsburgh's farm and scouting system would continue to be highly productive into the 1970s, especially in developing Latin American players signed by scout Howie Haak, one of the people whom Rickey had brought to the Pirates from the Dodgers.