What are the measurements and weight of a baseball?

The ball shall be a sphere formed by yarn wound around a small core of cork, rubber, or similar material, covered with two stripes of white horsehide or cowhide, tightly stitched together. It shall weigh not less than fiver nor more than 5 ¼ ounces and measure not less than nine nor more than 9 ¼ inches circumference. Source: The Official Baseball Rules, 1997, p.9, The Sporting News, 796. ... more