Section 3: Playing Area

Per OBR Rule 2.01, the playing field is laid out per the Official Baseball Rules diagram. The infield is a 90-foot (27.432 m) square, with bases at each corner.

Source: Rule 2.01, Rule 2.02, Rule 2.04, Rule 2.05, Rule 2.06, Rule 2.07, Rule 4.05

Send this to your friend — argument over.