William Stanley Mazeroski (born September 5, 1936) is an American former Major League Baseball (MLB) second baseman. Nicknamed “Maz“, he spent his entire 17-year career playing for the Pittsburgh Pirates, from 1956–72. He was elected into the National Baseball Hall of Fame in 2001. Signed Non Official Ball with JSA. Case included. There is some cracking on the ball. The signature is clear.