In American football, an interception occurs when a defensive player catches a pass intended for an offensive player. This action stops the offensive team's progress and gives possession of the ball to the defense. Interceptions are crucial moments in a game, as they can shift momentum and lead to scoring opportunities for the defending team. The player who makes the interception is often referred to as a cornerback or safety, depending on their position. Successful interceptions can significantly impact a game, as they not only prevent points from being scored but also provide the defense with a chance to advance the ball and potentially score themselves.