A play action in football is a type of offensive play where the quarterback fakes a handoff to the running back, making it look like a running play, but then instead throws a pass. The purpose of this fake run is to deceive the defense into thinking the offense is running the ball, causing defenders- especially linebackers and safeties-to move forward to stop the run. This opens up space behind them for receivers to get open for a pass

. Key elements of a play-action pass include:

• The quarterback takes the snap and acts as if handing the ball off to the running back.
• The running back runs forward as if carrying the ball.
• The offensive line initially blocks as if for a run, then switches to pass protection.
• Receivers initially "sell" the run by blocking briefly before running their pass routes.
• The quarterback quickly pulls the ball back and looks to throw to an open receiver downfield.

Play action is most effective when the offense has established a credible running game, forcing the defense to respect the run threat. This makes defenders more likely to bite on the fake, creating opportunities for big passing plays

. In summary, play action is a strategic fake run designed to open up passing lanes by manipulating the defense’s reaction to the run threat, allowing the offense to gain an advantage in the passing game.