infielder

There was a roar of astonishment that this crack infielder of the New England League should drop a ball like that.

Even when he hit straight to an infielder it took a fast throw to nail him at first.

You weren't a natural infielder, and you didn't make much of a showin' in the outfield.

Now, I've seen all along that you weren't a natural infielder.

Fleet as a deer, he was across the bag before the infielder reached the ball.