Sam, 7, was about to face a pitching machine for the first time.

His first pitching machine, the Power Pitcher, was invented in 1952.

Up to now, he has been taking batting practice against a mechanical pitching machine under the stands at Comiskey Park.

Jimmy Key was the picture of precision for five innings yesterday, operating like a human pitching machine.

Pettitte was like a frustrating pitching machine to a team that leads the American League in runs scored.

In fact, the ball will be thrown by a standard pitching machine through a hole in the screen.

The netting was gone, and so were the pitching machines, but some balls were scattered on the ground like decayed fruit.

He played on prison teams, and when he wants to wind down he sometimes goes out to face a pitching machine in Queens.

The questions came at him like baseballs from a runaway pitching machine, and equally hard.

There are some pitching machines that will compensate the weight of the ball to make the ball be pitched at a certain speed.