The word "infield" refers to the area of a sports field or stadium that is located within the boundaries of the playing area, typically in the middle. Full definition
Although these injuries are most common in baseball pitchers, they are also seen in infielders, catchers, outfielders as well as football quarterbacks and tennis players. (sportstarsmag.com)
Last year's shortstop, Andre Rodgers, went to Pittsburgh, but the Cubs still have a seemingly endless supply of infielders of about equal — and not terribly impressive — ability. (si.com)
Ayers is expected to anchor the middle infield at shortstop, but versatility and moving parts will be the norm for Sheldon. (sportstarsmag.com)