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

Whenever Ohio State plays, it’s incredibly clear that Ohio State football players have small circular helmet stickers covering large portions of the back of the helmets around the stripes.

Players can earn stickers to be placed on their helmets at Ohio State ... A buckeye is "a small, shiny, dark brown nut with a light tan patch that comes from the official state tree of Ohio ...

The stickers on Ohio State football helmets are Buckeye leaf stickers ... a nod to the state tree of Ohio. It's a small green leaf with a white outline inside a circular black sticker.

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: ...

What is the history behind the Ohio State helmet stickers, and how are they earned ... A buckeye is "a small, shiny, dark brown nut with a light tan patch that comes from the official state ...

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 for big plays and consistency on the ...

Both team's uniforms also one feature two of the more iconic, clean and classic helmets there are in college football, with Ohio State's classic silver sticker-adorned helmets clashing with Notre ...