Throughout an NFL game two players in the team have a speaker in their helmets in which coaches call in the plays to relay to their teammates, with two positions regularly being allocated the role ...

NFL players are able to communicate with their coaches on the sidelines thanks to microphones and speakers in their helmets, with two players on each team able to do so ...

Keen-eyed NFL observers might have spotted something a little unusual about the gameday attire of some players. Some of the ...