In baseball do the pitcher and catcher form?

Answer 1

I think you are asking what they form. If that is what you want to know, they are called "The Battery," because they work together to try and get the batter out.

The catcher makes hand signals for the pitcher to see telling him what type of pitch to throw. The pitcher will either nod or shake his head to let the catcher know if that is the pitch he wants to deliver or not.

Answer 2

A Baseball