What is the infield fly rule in baseball?

An INFIELD FLY is a fair fly ball (not including a line drive nor an attempted bunt) which can be caught by an infielder with ordinary effort, when first and second, orfirst, second and third bases are occupied, before two are out. read more

The infield fly rule is a rule of baseball that treats certain fly balls as though caught, before the ball is caught, even if the infielder fails to catch it or drops it on purpose. read more

An Infield Fly is a fair fly ball (not a line drive or bunt) that, in the judgment of the umpire, can be caught by an infielder, pitcher, or catcher with ordinary effort and when there are runners on first and second or first, second, and third and less than two outs. read more

The rule states that if there are less than two outs and there is a potential force out at third base (runners on first and second), a ball hit in the air in the infield is declared an infield fly and can be caught with ordinary effort by the defense, the batter is automatically out, regardless of if the ball is caught. read more