Baseball covered in?

Question

What is the sand? that they put on new MLB baseballs?

Answer 1

It's rosin. It helps the pitcher grip the ball better.

Answer 2

its rosin the ball wont slip off easly if they use it

Answer 3

It's a special kind of mud found in the Delaware River.  The umpires rub the mud on the balls before the game to take off some of the sheen.

It was discovered by former player Lena Blackburne in 1938.

Answer 4

It's call rosin and it helps the pitcher grip the ball better.