Ossie Blanco Oswaldo Carlos Blanco DÃaz (born September 8, 1945 in Caracas, Venezuela), better known as Ossie Blanco, is a former Major League Baseball first baseman. He batted and threw right-handed. In two-season career with the Chicago White Sox (1970) and Cleveland Indians (1974) Blanco hit a 196 batting average in 52 games played.