From the episode

James cook was supposed to go off right, right tackle. You can see Allen at the line of scrimmage realize when he motions the guy over the left side is completely open. He pulls the ball in. Nobody else on the team knows this is happening and chooses to run up the left sideline by himself.

STACKED’s take

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Cook's designed plays subject to Allen's line-of-scrimmage audibles.

In the Bills' game-winning drive, James Cook was initially designed to run off right tackle, but Josh Allen changed the play at the line of scrimmage, opting to run himself instead. This illustrates the dynamic nature of play-calling under Allen's control and suggests Cook's role may be subject to Allen's in-game adjustments.

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