You've just got to have the balls to use it.

Generally used to describe college players adjusting to professional ball and wooden bats.

There again, the laws of the game state that any ball used shall be:

First, he had to decide which ball to use.

The small, hard ball used to be made of ivory; now it is usually plastic.

Also, the ball you use needs to be discarded anyway.

Prior to the start of the game, a disagreement over which ball to use occurred.

But according to our tests, the ball itself doesn't go farther than it used to.

The ball (a baseball) used in the game of baseball.

Also, I lost the green tape that went round the edge so the ball used to shoot off at speed.