1956 Joe Cronin Autographed HOF MLB Baseball Signed Plaque Postcard PSA Slabbed1956 Joe Cronin Autographed HOF MLB Baseball Signed Plaque Postcard, authenticated by PSA Joseph Cronin was an American professional baseball player, manager and executive. He played in Major League Baseball as a shortstop, most notably as a member of the Boston Red Sox. Cronin spent over 48 years in baseball, culminating with 14 years as president of the American League. During his 20 year playing career (19261945), Cronin played for the Pittsburgh