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: ...

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

Editor's note: Follow Ohio State vs. Notre Dame live updates, scores and highlights from the national championship game. The Irish are expected to rock their home blue jersey and gold pants ...

Those stickers are markers of achievement throughout the season for Ohio State players, and by the end of the year, many players' helmets are plastered with buckeye leaves. Need a break?

The answer is simple. 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 ...

The Buckeyes are one of 13 FBS programs to employ the tactic of customizing their helmets with a sea of stickers. The white decals on the Ohio State helmet have a green depiction of a buckeye ...

Each buckeye sticker is awarded to players for "big plays ... Woody Hayes and trainer Ernie Biggs altered the look of the Ohio State uniforms to incorporate the buckeye leaves more, according ...