So what are those stickers on Ohio State's helmets? Here's everything you should know ahead of the national championship.

They are one of the few schools that do not feature a logo on the side of the lid ... Ohio State helmet have a green depiction of a buckeye leaf, symbolizing the school and state's history.

Ever notice the stickers on an Ohio State football player's helmet during a game? Here's what to know on the Buckeyes' tradition before the CFP championship: ...

For decades, the buckeye leaf has marked the journey of Ohio State football champions, one sticker at a time. Some players’ helmets are almost completely covered in buckeyes. Each one serves as ...