Ball of baseball

A baseball ball is that one that is used for the practice of this sport. Its circumference is of approximately 9 inches (23 centimeters) and nongreater to 9 1/4 inches, and 5 ounces (142 g) of weight, some of these balls can be used in infantile leagues. The construction varies, the core of the ball is generally of cork, rubber, or a mixture of both, and sometimes it can consist of several layers. Around they are several materials lineares that include thread and cord, occasionally can be used wool. A skin cover is invested, in two pieces, and are sewn together in 108 waxed red thread seams of cotton. The coiled seam is flatter and offers smaller resistance to the wind. This it is the type of seam used for the balls in Ligas Majors and is ideal for the game.