There is a green dot on the back of certain players’ helmets during games — but what does it mean, and who wears it? The permutations and combinations in an NFL game are nearly infinite.

The Cleveland Browns has social media going nuts over apparent leaked new helmets showed black, grey and army green.

With the implementation of "helmet communication" in college football ... Last Saturday, Harold Perkins was designated as the player with the green dot, allowing defensive coordinator Blake ...

The 28-year-old has spent all five seasons of his NFL career with Cincinnati ... for quite some time. The green dot refers to the green dot on the player's helmet, which indicates that they ...