the Buckeyes aren't the only team in college football that uses a helmet decal reward system. In fact, there are 13 total Division I FBS programs that use a helmet decal reward system per ESPN.

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

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

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 ...