For example, a facemask penalty if called on the field even though it was clear that it shoulder pad was grabbed instead. Replay can step in and pick up that flag. If a flag is thrown for a hit to the quarterback’s head, they can review it to make sure the defensive player did in fact make contact to the helmet.

A new season with new rules is one of the changes fans can expect as the NFL makes a few tweaks to its officiating system.