Who managed the Giants and won his first and only World Series to tile during his career?
1954 World Series:  Giants manager Leo Durocher, who had managed teams to three National League championships, won his first and only World Series title in his managerial career. Leo Durocher: Leo Ernest Durocher (July 27, 1905 – October 7, 1991), nicknamed Leo the Lip and Lippy, was an American professional baseball player, manager and coach.
Leo Durocher