what is inside a baseball?
<answer> It consists of a round cushioned cork center called a pill, wrapped tightly in windings of wool and polyester/cotton yarn, and covered by stitched cowhide. <context> An official Major League baseball consists of a round cushioned cork center called a pill, wrapped tightly in windings of wool and polyester/cotton yarn, and covered by stitched cowhide. Approximately 600,000 baseballs are used by all Major League teams combined during the course of a season.