n. A player that plays in the infield, which is the inner portion of the field
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (baseball) a person who plays a position in the infield
Word Usage
""If we're carrying two extra middle infielders, and Espinosa can go over and play short if Desi needed a day off, that second middle infielder is just probably never going to play.""