... of Sunday's game between the Baltimore Ravens and the Oakland Raiders, Ravens quarterback Joe Flacco took a third-down snap and dropped back to pass, not knowing that the footsteps he made in the ensuing six seconds would potentially change the NFL's use of instant replay in future seasons.

Flacco evaded pressure from the Raiders defense and started to scramble toward the line of scrimmage, seemingly intending to advance the ball a few yards across the line of scrimmage with a short run. As he approached the line, Flacco spotted running back Ray Rice alone in the end zone. Flacco then rifled the ball to Rice in an attempt to score a touchdown in the waning moments of the half, but the pass sailed over Rice's head and fell incomplete.
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