In football, an play call is when the QB, just before the snap of the play, changes the called play at the line of engagement. Essentially, it's a immediate adjustment! The QB might notice something on the opposition https://xem-bng-trc-tip-ko-nh-ci007706.blog-a-story.com/23990745/what-defines-an-play-call-in-the-nfl-a-guide