Who makes mlb baseballs?

In 2000, Major League Baseball reorganized its structure to eliminate the position of league presidents, and switched to one ball specification for both leagues. Under the current rules, a major league baseball weighs between 5 and 5 1 ⁄ 4 ounces (142 and 149 g), and is 9 to 9 1 ⁄ 4 inches (229–235 mm) in circumference (2 7 ⁄ 8 –3 in or 73–76 mm in diameter). read more

Rawlings also makes all official Minor League baseballs, but do so at a factory located in China. Unlike the Major League balls made in Costa Rica, the Minor League balls include a stamp indicating that they were made in China. This is probably due to some type of trade agreement between China and the United States. read more

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. read more