What action should the umpire take if a player is called out for failing to hit the ball within the batter's box?

When a player is called out for failing to hit the ball within the batter's box, the appropriate action is to declare the play dead and declare the batter out. This is a fundamental rule in baseball that maintains the integrity of the batting process. By calling the play dead, the umpire acknowledges that the conditions for a valid hit have not been met.

The batter must be within the confines of the batter's box to legally attempt to hit the ball. If they step out and do not make contact while the ball is in play, the umpire must enforce the rules by calling the batter out, preventing any potential confusion or unfair advantage.

This action helps to ensure that the game adheres to its established guidelines, honors the spirit of competition, and protects the interests of both teams involved. It serves to reinforce the expectation that players understand their responsibilities while at bat.