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 green dot on NFL helmets signifies a player that is allowed to communicate with their sidelines via radio. Source: Getty Images Having a piece of electronic device inside a helmet as a means ...

The white decals on the Ohio State helmet have a green depiction of a buckeye leaf, symbolizing the school and state's history. The practice of placing stickers on the back of helmets began in ...

DALLAS — Have you ever wondered why football players at The Ohio State University have a ton of stickers on their helmets ... these white and dark green decals depict a buckeye leaf.

The small, white and dark green decals depict a buckeye leaf. The stickers, which are about the size of a quarter, are "applied to Ohio State football helmets ... dates back to 1967 when legendary ...