2.3 Gloves and Mitts (OBR Rule 3.05–3.07)

All fielders, with the exception of the first baseman and catcher, may use a glove or mitt of any weight. OBR Rule 3.05 specifies size limits: Fielder's glove: Not more than 12 inches (30.48 cm) measured from the tip of any finger to the bottom of the glove, and not more than 7¾ inches (19.685 cm...

Source: Rule 3.05, Rule 3.06, Rule 3.07

Send this to your friend — argument over.