Another case of the NFL mistaking activity for achievement. From 2013:
The league office told all teams planning to wear throwback uniforms this season that players must wear their regular helmets on throwback dates. The outside of the helmet can be modified by removing or replacing decals, but the helmet itself must stay the same. Once players have properly fitted helmets that they’re comfortable wearing, the NFL doesn’t want them changing helmets during the season just for appearances.
