Infield Fly Rule in Baseball


In the game of baseball, rules play a pivotal role in maintaining fairness and order on the field. One such rule that has been a subject of discussion and importance for players, coaches, and fans alike is the Infield Fly Rule. In this comprehensive guide, we will delve into the intricacies of the Infield Fly Rule, understanding its definition, purpose, and application during gameplay. Let’s get started!

Rule 2.00: Defining the Infield Fly Rule

The Infield Fly Rule, as defined in Rule 2.00 of the Official Baseball Rules, comes into effect when certain conditions are met during a live play. The main purpose of this rule is to prevent the defense from taking advantage of a specific situation to execute a double or triple play by intentionally dropping a pop-up.

According to the rule, an “infield fly” is a fair fly ball that can be caught by an infielder, pitcher, or catcher with “ordinary effort” when first and second base or first, second, and third bases are occupied by baserunners, and there are less than two outs. The rule applies regardless of whether the ball is touched or not.

Understanding the Intent of the Rule

The Infield Fly Rule is designed to protect baserunners from unfair situations where the defense could intentionally drop a pop-up, leading to multiple outs and significantly hindering the offense’s progress. By invoking the Infield Fly Rule, the umpire signals the batter is out, regardless of whether the ball is caught or not, removing any incentive for the defense to exploit the situation for double or triple plays.

Application of the Infield Fly Rule

To better understand the practical application of the Infield Fly Rule, let’s consider a scenario:

Scenario: The game is in progress, and the offense has runners on first and second base with one out. The batter hits a high pop-up ball into the infield.

1. Identifying an Infield Fly: The umpire will observe the trajectory of the ball and determine if it qualifies as an infield fly based on the criteria mentioned earlier.

2. Verbal Declaration: The umpire will loudly announce, “Infield fly, the batter is out,” to signal the Infield Fly Rule.

3. Batter is Out: At this point, the batter is considered out, regardless of whether the ball is caught or drops to the ground.

4. Baserunners’ Status: The Infield Fly Rule does not affect the baserunners’ status, and they can continue to advance at their own risk.

Misconceptions and Controversies

Like many rules in sports, the Infield Fly Rule has seen its fair share of controversies and misconceptions. Some argue that the rule is too subjective, leading to disagreements between teams, coaches, and fans. However, the rule’s intent is clear: to prevent unfair advantages for the defense and protect the integrity of the game.


The Infield Fly Rule is a fundamental aspect of baseball that ensures fairness and sportsmanship during gameplay. By understanding its definition, purpose, and application, players and fans alike can appreciate the complexities of the sport and the measures taken to maintain a level playing field. So the next time you watch a baseball game and witness an umpire invoking the Infield Fly Rule, you’ll know why it’s an essential and integral part of America’s favorite pastime.

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